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arxiv: 2509.06910 · v2 · submitted 2025-09-08 · 🌌 astro-ph.SR · astro-ph.GA

Revealing Unresolved White Dwarf-Main Sequence Binaries using Gaia DR3 and GALEX I. A Volume limited study of 100 pc

Pith reviewed 2026-05-18 17:46 UTC · model grok-4.3

classification 🌌 astro-ph.SR astro-ph.GA
keywords white dwarf-main sequence binariesunresolved binariesNUV excessGaia DR3GALEXcolor-magnitude diagramsspectral energy distribution fitting100 pc volume limit
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The pith

Unresolved white dwarf-main sequence binaries hidden among ordinary main-sequence stars can be identified by their ultraviolet excess in combined Gaia and GALEX data.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper constructs NUV-optical color-magnitude diagrams from Gaia DR3 astrometry and photometry together with GALEX GR6/7 NUV detections to pull out white dwarf companions that remain invisible in optical CMDs alone. It then performs binary SED fitting with VOSA and applies white-dwarf cooling tracks to derive effective temperatures, luminosities, radii, and companion masses for the selected sources. Within a strict 100 pc volume limit the search yields 596 candidates, 497 of them previously unreported, and the new sample is dominated by cooler white dwarfs with a median temperature near 7000 K. A reader would care because these binaries are the parent population for many classes of stellar exotica and because their demographics directly test models of binary evolution.

Core claim

We identify 596 WD-MS binary candidates within 100 pc, with 497 newly reported. Our method predominantly identifies binaries with cooler WD companions (median ~7,000 K) compared to previous studies. The WD masses range from ~0.2 and 1.3 M⊙, and most MS companions are of M spectral type.

What carries the argument

NUV-optical color-magnitude diagrams that isolate sources showing clear NUV excess, followed by binary SED fitting in VOSA and white-dwarf evolutionary models to recover companion parameters.

If this is right

  • The local census of WD-MS binaries becomes substantially more complete.
  • A previously under-sampled population of cooler white-dwarf companions is now accessible.
  • White-dwarf masses between 0.2 and 1.3 solar masses are obtained for the new systems.
  • Most main-sequence companions are shown to be M-type stars.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Spectroscopic follow-up of the candidate list would tighten the observed binary fraction and cooling-age distribution.
  • The same NUV-excess selection could be applied to larger volumes once deeper ultraviolet surveys become available.
  • Cooler white dwarfs in these systems may trace longer-lived or differently evolved binary channels than the hotter systems found by earlier searches.

Load-bearing premise

The observed NUV excess must be produced by a white dwarf companion rather than chromospheric activity, accretion, or other contaminants, and the SED fitting plus cooling models must recover the true companion parameters without large systematic bias.

What would settle it

High-resolution spectroscopy or time-series photometry of a substantial fraction of the 596 candidates that fails to detect white-dwarf signatures or returns parameters inconsistent with the adopted cooling tracks.

Figures

Figures reproduced from arXiv: 2509.06910 by Prasanta K. Nayak.

Figure 1
Figure 1. Figure 1: Left: (NUV−BP vs NUV) CMD for sources within 100 pc in the absolute plane after correcting for distance modulus and extinction. The red line separates the hotter and NUV-bright sources (blue points) from the others (grey asterisks) on the NUV-optical CMD. Isochrones of 100 Myr (cyan line) and 1 Gyr (black line) are overlaid to indicate the evolutionary sequences. Right: Optical CMD (BP−RP vs G) in the abso… view at source ↗
Figure 2
Figure 2. Figure 2: Two examples of well-fitted SEDs of WD–MS binaries. Index number as per [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: Same as [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: Distribution of Teff for the WDs (blue) and MS (orange) stars in our candidate WD–MS binaries. The median, 25th, and 75th percentiles for the MS s (WD) is Teff/K = 3300+200 −200 (7250+7625 −1000). 4 3 2 1 0 1 log ( R R ) 0 50 100 150 200 N WD MS [PITH_FULL_IMAGE:figures/full_fig_p005_4.png] view at source ↗
Figure 5
Figure 5. Figure 5 [PITH_FULL_IMAGE:figures/full_fig_p005_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: Teff vs LWD. Model cooling sequences for CO WDs with a Hy￾drogen atmosphere are shown where the color code denotes WD mass Bédard et al. (2020). The black, orange and red points are the WDs identified in this work, N24 and in RM21, respectively [PITH_FULL_IMAGE:figures/full_fig_p006_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: Compare the location of WD–MS binary candidates with active MS stars and X-ray detected WD–MS candidates in the NUV-optical CMD. Silva et al. 2021). The reconfiguration of strong magnetic fields in the outer atmosphere of these low-mass M-dwarf stars can also lead to the release of large amounts of energy in X-rays and UV in the form of eruptions or flares (Vallée 2003; Samus’ et al. 2017). If the GALEX ob… view at source ↗
Figure 8
Figure 8. Figure 8: Comparison of properties for WDs identified in this work (blue), RM21 (orange) and N24 (black). From top to bottom, we show distri￾butions of radius, Teff, and mass, respectively. et al. (2021), where the authors studied the chromospheric activ￾ity of 1674 FGK stars using the HARPS archival data. We do not find any match with Martínez-Arnáiz et al. (2010), which presented spectroscopic analysis of chromosp… view at source ↗
read the original abstract

Context. Understanding the demographics of white dwarf - main sequence (WDMS) binaries is key to uncovering the formation of various stellar exotica and refining the details of binary stellar evolution. Despite several dedicated efforts to identify unresolved WDMS binaries, their population remains incomplete, even within a 100 pc volume-limited sample. Aims. This study aims to identify WDMS binaries hidden within the main sequence of the optical color-magnitude diagram (CMD), improving the completeness of WDMS binaries within a volume-limited sample of 100 pc. Methods. We use NUV-optical CMDs to distinguish unresolved WDMS binaries from the rest of the populations. High-precision astrometric and photometric data from Gaia DR3 and NUV data from GALEX GR6/7 are combined to construct CMDs. Using the binary spectral energy distribution (SED) fitting algorithm within the Virtual Observatory SED Analyzer (VOSA) tool, we estimate stellar parameters such as effective temperature, bolometric luminosity, and radii. The masses of the WD companions are determined using white dwarf evolutionary models. As we use the sources which are detected only in NUV band of GALEX, this study directly complements to majority of the previous studies. Results. We identify 596 WD-MS binary candidates within 100 pc, with 497 newly reported. Our method predominantly identifies binaries with cooler WD companions (median ~7,000 K) compared to previous studies. The WD masses range from ~0.2 and 1.3 M$_\odot$, and most MS companions are of M spectral type.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript presents a volume-limited search for unresolved white dwarf-main sequence (WDMS) binaries within 100 pc. Using Gaia DR3 astrometry/photometry and GALEX NUV detections, the authors construct NUV-optical color-magnitude diagrams to select candidates hidden on the main sequence, then apply binary SED fitting via VOSA and white dwarf cooling models to derive effective temperatures, luminosities, radii, and WD masses. They report 596 WD-MS candidates (497 new), with a median WD temperature of ~7000 K, WD masses 0.2–1.3 M⊙, and predominantly M-type main-sequence companions.

Significance. If the NUV excess is correctly attributed to white dwarf companions rather than contaminants, the work would meaningfully increase the completeness of the local WDMS population, especially for cooler white dwarfs underrepresented in prior studies. This has direct value for binary evolution models and the formation pathways of exotic stellar systems.

major comments (2)
  1. [Methods] Methods (NUV-optical CMD selection and GALEX-only detection criterion): The selection relies on NUV excess without a quantitative decontamination step or activity-indicator veto for chromospheric emission from M dwarfs. Since M-type stars dominate the reported companions and commonly produce NUV flux via activity, this directly affects the reliability of attributing the excess to a WD in the subsequent VOSA fitting and undermines the claim of 596 genuine candidates.
  2. [Results] Results (VOSA binary SED fitting and WD parameter recovery): The derived WD temperatures (median ~7000 K) and masses (0.2–1.3 M⊙) assume the NUV flux originates solely from the WD companion. No validation against known WDMS binaries, simulated activity-contaminated SEDs, or error budget for possible contaminants is presented; this is load-bearing for the completeness gain over previous studies and the assertion that 497 candidates are newly reported.
minor comments (2)
  1. [Abstract] Abstract and Results: The median WD temperature is quoted as ~7,000 K; confirm the precise median value and its uncertainty are reported consistently in the main text and any accompanying table or figure.
  2. [Methods] The manuscript would benefit from an explicit statement of the white dwarf evolutionary models employed (e.g., specific cooling tracks or mass-radius relations) in the parameter estimation section.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their constructive and detailed report. The comments highlight important aspects of our selection and fitting procedures that warrant clarification and strengthening. We address each major comment below and indicate the revisions we will make to the manuscript.

read point-by-point responses
  1. Referee: [Methods] Methods (NUV-optical CMD selection and GALEX-only detection criterion): The selection relies on NUV excess without a quantitative decontamination step or activity-indicator veto for chromospheric emission from M dwarfs. Since M-type stars dominate the reported companions and commonly produce NUV flux via activity, this directly affects the reliability of attributing the excess to a WD in the subsequent VOSA fitting and undermines the claim of 596 genuine candidates.

    Authors: We agree that chromospheric activity in M dwarfs can produce NUV flux and that a quantitative decontamination step strengthens the analysis. Our NUV-optical CMD selection uses a conservative excess threshold relative to the single-star locus derived from the 100 pc volume-limited sample, which already reduces the impact of typical activity levels. In the revised manuscript we will add a dedicated subsection in Methods that estimates the expected contamination fraction using published GALEX NUV activity distributions for M dwarfs (e.g., from the literature on rotation-activity relations) scaled to our sample size and distance limit. We will also note the limited availability of activity indicators in Gaia DR3 for this volume and discuss how the subsequent SED fitting further constrains the solution space. These additions will make the reliability of the 596 candidates more transparent. revision: partial

  2. Referee: [Results] Results (VOSA binary SED fitting and WD parameter recovery): The derived WD temperatures (median ~7000 K) and masses (0.2–1.3 M⊙) assume the NUV flux originates solely from the WD companion. No validation against known WDMS binaries, simulated activity-contaminated SEDs, or error budget for possible contaminants is presented; this is load-bearing for the completeness gain over previous studies and the assertion that 497 candidates are newly reported.

    Authors: We acknowledge that explicit validation of the VOSA binary fits against known systems and simulated contaminants was not presented. The fitting procedure in VOSA simultaneously models the WD and MS components with the NUV flux primarily constraining the hotter WD, and the optical photometry anchoring the MS companion; this is why the method is particularly sensitive to cooler WDs missed by optical-only searches. In the revised manuscript we will add a validation subsection that (i) recovers parameters for a control sample of previously confirmed unresolved WDMS binaries within 100 pc drawn from the literature and (ii) discusses the effect of plausible activity-induced NUV excesses on the derived WD temperatures and masses. An error budget incorporating these systematics will be included. These changes directly support the claimed completeness gain and the count of 497 new candidates. revision: partial

Circularity Check

0 steps flagged

No circularity: purely observational catalog from public data

full rationale

The paper constructs a volume-limited sample using Gaia DR3 astrometry/photometry and GALEX NUV detections, applies an NUV-optical CMD cut to flag excess sources, then runs VOSA binary SED fitting against standard white-dwarf cooling tracks to assign temperatures, luminosities, radii and masses. None of these steps reduce the reported 596 candidates or their parameter distributions to quantities defined by the same data or by prior self-citations; the selection and fitting are independent of the final catalog counts. External benchmarks (GALEX, Gaia, VOSA models) are used without feedback loops.

Axiom & Free-Parameter Ledger

0 free parameters · 2 axioms · 0 invented entities

The central claim rests on the assumption that NUV excess unambiguously signals a white dwarf companion and that standard white dwarf cooling tracks plus VOSA SED fitting recover accurate parameters. No free parameters are explicitly fitted in the abstract, but implicit choices exist in color cuts and model grids.

axioms (2)
  • domain assumption NUV excess in GALEX-detected sources within the Gaia main-sequence locus is produced by an unresolved white dwarf rather than activity or other sources
    Invoked in the method description to justify the CMD selection and candidate identification
  • domain assumption White dwarf evolutionary models and VOSA SED fitting yield reliable masses and temperatures for the companions
    Used to derive the reported WD mass range 0.2-1.3 solar masses

pith-pipeline@v0.9.0 · 5826 in / 1433 out tokens · 40589 ms · 2026-05-18T17:46:18.091902+00:00 · methodology

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Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Discovery and Characterization of White Dwarf-FGK Main-Sequence Binaries within the Optical Main-Sequence Locus

    astro-ph.SR 2026-05 conditional novelty 4.0

    654 WD-FGK binaries cataloged with mostly low-mass hot white dwarfs formed via binary interactions.

Reference graph

Works this paper leans on

68 extracted references · 68 canonical work pages · cited by 1 Pith paper

  1. [1]

    M., Corcoran, K

    Anguiano, B., Lewis, H. M., Corcoran, K. A., et al. 2020, Research Notes of the American Astronomical Society, 4, 127

  2. [2]

    R., Stassun, K

    Anguiano, B., Majewski, S. R., Stassun, K. G., et al. 2022, AJ, 164, 126

  3. [3]

    Bailer-Jones, C. A. L., Rybizki, J., Fouesneau, M., Demleitner, M., & Andrae, R. 2021, AJ, 161, 147

  4. [4]

    2015, A&A, 577, A42

    Baraffe, I., Homeier, D., Allard, F., & Chabrier, G. 2015, A&A, 577, A42

  5. [5]

    2008, A&A, 492, 277 Bédard, A., Bergeron, P., Brassard, P., & Fontaine, G

    Bayo, A., Rodrigo, C., Barrado Y Navascués, D., et al. 2008, A&A, 492, 277 Bédard, A., Bergeron, P., Brassard, P., & Fontaine, G. 2020, ApJ, 901, 93

  6. [6]

    2020, MNRAS, 496, 1922

    Belokurov, V ., Penoyre, Z., Oh, S., et al. 2020, MNRAS, 496, 1922

  7. [7]

    B., & Church, R

    Bobrick, A., Davies, M. B., & Church, R. P. 2017, MNRAS, 467, 3556

  8. [8]

    J., Trümper, J., et al

    Boller, T., Freyberg, M. J., Trümper, J., et al. 2016, A&A, 588, A103 Boro Saikia, S., Marvin, C. J., Jeffers, S. V ., et al. 2018, A&A, 616, A108

  9. [9]

    M., Schlafly, E

    Bovy, J., Rix, H.-W., Green, G. M., Schlafly, E. F., & Finkbeiner, D. P. 2016, ApJ, 818, 130

  10. [10]

    E., Osten, R

    Brasseur, C. E., Osten, R. A., & Fleming, S. W. 2019, ApJ, 883, 88

  11. [11]

    2014, A&A, 566, A86

    Camacho, J., Torres, S., García-Berro, E., et al. 2014, A&A, 566, A86

  12. [12]

    2012, Research in Astronomy and Astro- physics, 12, 805

    Chen, L., Hou, J.-L., Yu, J.-C., et al. 2012, Research in Astronomy and Astro- physics, 12, 805

  13. [13]

    2016, ApJ, 823, 102

    Choi, J., Dotter, A., Conroy, C., et al. 2016, ApJ, 823, 102

  14. [14]

    2012, Research in Astronomy and Astrophysics, 12, 1197

    Cui, X.-Q., Zhao, Y .-H., Chu, Y .-Q., et al. 2012, Research in Astronomy and Astrophysics, 12, 1197

  15. [15]

    2003, A&A, 409, 205

    Drimmel, R., Cabrera-Lavers, A., & López-Corredoira, M. 2003, A&A, 409, 205

  16. [16]

    J., Weinberg, D

    Eisenstein, D. J., Weinberg, D. H., Agol, E., et al. 2011, AJ, 142, 72

  17. [17]

    W., Riello, M., De Angeli, F., et al

    Evans, D. W., Riello, M., De Angeli, F., et al. 2018, A&A, 616, A4

  18. [18]

    N., Primini, F

    Evans, I. N., Primini, F. A., Glotfelty, K. J., et al. 2010, ApJS, 189, 37

  19. [19]

    W., & Wachter, S

    Farihi, J., Hoard, D. W., & Wachter, S. 2010, ApJS, 190, 275

  20. [20]

    2012, MNRAS, 426, 2500 Gaia Collaboration, Arenou, F., Babusiaux, C., et al

    Ferrario, L. 2012, MNRAS, 426, 2500 Gaia Collaboration, Arenou, F., Babusiaux, C., et al. 2023, A&A, 674, A34

  21. [21]

    K., & Chatterjee, S

    Ganguly, A., Nayak, P. K., & Chatterjee, S. 2023, ApJ, 954, 4 García-Berro, E., Ritossa, C., & Iben, Icko, J. 1997, ApJ, 485, 765 Gentile Fusillo, N. P., Tremblay, P. E., Cukanovaite, E., et al. 2021, MNRAS, 508, 3877 Gomes da Silva, J., Santos, N. C., Adibekyan, V ., et al. 2021, A&A, 646, A77

  22. [22]

    M., Schlafly, E., Zucker, C., Speagle, J

    Green, G. M., Schlafly, E., Zucker, C., Speagle, J. S., & Finkbeiner, D. 2019, ApJ, 887, 93

  23. [23]

    A., Levine, S., Terrell, D., & Welch, D

    Henden, A. A., Levine, S., Terrell, D., & Welch, D. L. 2015, in American Astro- nomical Society Meeting Abstracts, V ol. 225, American Astronomical Soci- ety Meeting Abstracts #225, 336.16

  24. [24]

    1991, ApJS, 76, 55

    Iben, Icko, J. 1991, ApJS, 76, 55

  25. [25]

    2024, arXiv e-prints, arXiv:2404.07388

    Jackim, R., Heyl, J., & Richer, H. 2024, arXiv e-prints, arXiv:2404.07388

  26. [26]

    V ., Sindhu, N., & Subramaniam, A

    Jadhav, V . V ., Sindhu, N., & Subramaniam, A. 2019, ApJ, 886, 13

  27. [27]

    V ., Subramaniam, A., & Sagar, R

    Jadhav, V . V ., Subramaniam, A., & Sagar, R. 2023, A&A, 676, A47

  28. [28]

    2023, ApJ, 949, 102

    Khurana, A., Chawla, C., & Chatterjee, S. 2023, ApJ, 949, 102

  29. [29]

    2010, Mem

    Koester, D. 2010, Mem. Soc. Astron. Italiana, 81, 921

  30. [30]

    2013, AJ, 146, 134

    Kordopatis, G., Gilmore, G., Steinmetz, M., et al. 2013, AJ, 146, 134

  31. [31]

    R., et al., 2021, @doi [arXiv e-prints] 10.48550/arXiv.2111.15608 , https://ui.adsabs.harvard.edu/abs/2021arXiv211115608K p

    Kulkarni, S. R., Harrison, F. A., Grefenstette, B. W., et al. 2021, arXiv e-prints, arXiv:2111.15608

  32. [32]

    2017, AJ, 153, 75

    Kunder, A., Kordopatis, G., Steinmetz, M., et al. 2017, AJ, 153, 75

  33. [33]

    2024, ApJ, 966, 69

    Li, X., Wang, S., Han, H., et al. 2024, ApJ, 966, 69

  34. [34]

    A., Schlafly, E

    Magnier, E. A., Schlafly, E. F., Finkbeiner, D. P., et al. 2020, ApJS, 251, 6

  35. [35]

    J., Robin, A

    Marshall, D. J., Robin, A. C., Reylé, C., Schultheis, M., & Picaud, S. 2006, A&A, 453, 635

  36. [36]

    C., Fanson, J., Schiminovich, D., et al

    Martin, D. C., Fanson, J., Schiminovich, D., et al. 2005, ApJ, 619, L1 Martínez-Arnáiz, R., Maldonado, J., Montes, D., Eiroa, C., & Montesinos, B. 2010, A&A, 520, A79

  37. [37]

    A., Winters, J

    Medina, A. A., Winters, J. G., Irwin, J. M., & Charbonneau, D. 2020, ApJ, 905, 107

  38. [38]

    2015, A&A, 574, A115

    Michalik, D., Lindegren, L., & Hobbs, D. 2015, A&A, 574, A115

  39. [39]

    P., West, A

    Morgan, D. P., West, A. A., Garcés, A., et al. 2012, AJ, 144, 93

  40. [40]

    S., Vanderburg, A., Shporer, A., et al

    Muirhead, P. S., Vanderburg, A., Shporer, A., et al. 2013, ApJ, 767, 111

  41. [41]

    Nandez, J. L. A., Ivanova, N., & Lombardi, J. C. J. 2015, MNRAS, 450, L39

  42. [42]

    K., Ganguly, A., & Chatterjee, S

    Nayak, P. K., Ganguly, A., & Chatterjee, S. 2024, MNRAS, 527, 6100

  43. [43]

    R., Irwin, J., Charbonneau, D., et al

    Newton, E. R., Irwin, J., Charbonneau, D., et al. 2017, ApJ, 834, 85

  44. [44]

    G., Gänsicke, B

    Parsons, S. G., Gänsicke, B. T., Marsh, T. R., et al. 2017, MNRAS, 470, 4473

  45. [45]

    G., Rebassa-Mansergas, A., Schreiber, M

    Parsons, S. G., Rebassa-Mansergas, A., Schreiber, M. R., et al. 2016, MNRAS, 463, 2125

  46. [46]

    Pecaut, M. J. & Mamajek, E. E. 2013, ApJS, 208, 9

  47. [47]

    T., Schreiber, M

    Rebassa-Mansergas, A., Gänsicke, B. T., Schreiber, M. R., Koester, D., & Rodríguez-Gil, P. 2010, MNRAS, 402, 620

  48. [48]

    J., Irawati, P., et al

    Rebassa-Mansergas, A., Ren, J. J., Irawati, P., et al. 2017, MNRAS, 472, 4193

  49. [49]

    R., & Gänsicke, B

    Rebassa-Mansergas, A., Schreiber, M. R., & Gänsicke, B. T. 2013, MNRAS, 429, 3570

  50. [50]

    M., et al

    Rebassa-Mansergas, A., Solano, E., Jiménez-Esteban, F. M., et al. 2021, MN- RAS, 506, 5201

  51. [51]

    2023, ApJ, 955, 24

    Rekhi, P., Ben-Ami, S., Perdelwitz, V ., & Shvartzvald, Y . 2023, ApJ, 955, 24

  52. [52]

    J., Raddi, R., Rebassa-Mansergas, A., et al

    Ren, J. J., Raddi, R., Rebassa-Mansergas, A., et al. 2020, ApJ, 905, 38

  53. [53]

    J., Rebassa-Mansergas, A., Parsons, S

    Ren, J. J., Rebassa-Mansergas, A., Parsons, S. G., et al. 2018, MNRAS, 477, 4641 Samus’, N. N., Kazarovets, E. V ., Durlevich, O. V ., Kireeva, N. N., & Pas- tukhova, E. N. 2017, Astronomy Reports, 61, 80

  54. [54]

    D., Read, A

    Saxton, R. D., Read, A. M., Esquej, P., et al. 2008, A&A, 480, 611

  55. [55]

    J., Finkbeiner, D

    Schlegel, D. J., Finkbeiner, D. P., & Davis, M. 1998, ApJ, 500, 525

  56. [56]

    V ., Shridharan, B., Mathew, B., et al

    Sidharth, A. V ., Shridharan, B., Mathew, B., et al. 2024, arXiv e-prints, arXiv:2408.00852

  57. [57]

    N., Morgan, D

    Skinner, J. N., Morgan, D. P., West, A. A., Lépine, S., & Thorstensen, J. R. 2017, AJ, 154, 118

  58. [58]

    F., Cutri, R

    Skrutskie, M. F., Cutri, R. M., Stiening, R., et al. 2006, AJ, 131, 1163

  59. [59]

    2022, Journal of Astrophysics and Astronomy, 43, 80

    Subramaniam, A. 2022, Journal of Astrophysics and Astronomy, 43, 80

  60. [60]

    V ., & Sahu, S

    Subramaniam, A., Pandey, S., Jadhav, V . V ., & Sahu, S. 2020, Journal of Astro- physics and Astronomy, 41, 45

  61. [61]

    T., & Boekholt, T

    Toonen, S., Hollands, M., Gänsicke, B. T., & Boekholt, T. 2017, A&A, 602, A16

  62. [62]

    M., Rebassa-Mansergas, A., & Solano, E

    Torres, S., Canals, P., Jiménez-Esteban, F. M., Rebassa-Mansergas, A., & Solano, E. 2022, Monthly Notices of the Royal Astronomical Society, 511, 5462 Vallée, J. P. 2003, New A Rev., 47, 85

  63. [63]

    A., Coriat, M., Traulsen, I., et al

    Webb, N. A., Coriat, M., Traulsen, I., et al. 2020, A&A, 641, A136

  64. [64]

    L., Eisenhardt, P

    Wright, E. L., Eisenhardt, P. R. M., Mainzer, A. K., et al. 2010, AJ, 140, 1868

  65. [65]

    2017, ApJ, 849, 36

    Yang, H., Liu, J., Gao, Q., et al. 2017, ApJ, 849, 36

  66. [66]

    G., Adelman, J., Anderson, John E., J., et al

    York, D. G., Adelman, J., Anderson, John E., J., et al. 2000, AJ, 120, 1579

  67. [67]

    R., Gänsicke, B

    Zorotovic, M., Schreiber, M. R., Gänsicke, B. T., & Nebot Gómez-Morán, A. 2010, A&A, 520, A86

  68. [68]

    R., García-Berro, E., et al

    Zorotovic, M., Schreiber, M. R., García-Berro, E., et al. 2014, A&A, 568, A68 Article number, page 9 of 10 A&A proofs:manuscript no. WDMS_NUV_GAIA Table 1.WD–MS binaries and component properties. A truncated list of MS–WD candidates. The full list is available online. We provideGaiaand GALEX IDs, MS and WD properties, Vgf b and fresidue values. GaiaID GAL...