Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-15T14:18:50.330815Z
Paper Citation Record · LEDGER
As of 18 August 2026, this Paper Citation Record lists 49 of 49 outbound references and 1 inbound Pith citation observation for arXiv:2608.11443.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-15T14:18:50.330815Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-15T14:18:49.480820Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-15T14:18:51.383467Z
49 of 49 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 47cd821b-71f7-4e95-bf76-455415aa7699 · outbound
Numerous bow shocks in the outer Helix Nebula Numerous bow shocks in the outer Helix Nebula
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 1adb6efb-c814-467d-b1e9-c361eaf13ba5 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 5b3759ed-1592-4ea3-9614-a74cccfb10b8 · outbound
Numerous bow shocks in the outer Helix Nebula & Renzini, A
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 990524e1-9d69-4619-9f10-c9825a4416a0 · outbound
Numerous bow shocks in the outer Helix Nebula J., Sarazin, C
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation cc94aae6-c246-4e6c-961c-7e98acbf08f3 · outbound
Numerous bow shocks in the outer Helix Nebula J., Zijlstra, A
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 51f12942-3358-4ad3-b418-163dabe283f4 · outbound
Numerous bow shocks in the outer Helix Nebula J.et al.Detached shells as tracers of asymp- totic giant branch–interstellar medium bow shocks
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 707fb0e0-fc6e-4881-83c3-0fa4a8c00a16 · outbound
Numerous bow shocks in the outer Helix Nebula C.et al.A turbulent wake as a tracer of 30,000 years of mira’s mass loss history.Nature448, 780–783 (2007)
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 4893488b-a771-4186-953c-247676af0634 · outbound
Numerous bow shocks in the outer Helix Nebula A far-infrared survey of bow shocks and detached shells around AGB stars and red supergiants
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 613547f7-dd04-404f-b257-41d361d18620 · outbound
Numerous bow shocks in the outer Helix Nebula I., McKee, C
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 5221aa4a-1f3e-4c1a-bf10-b4c39d178a42 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation a0252c2a-53df-48f4-87f2-1c1ddb9d4382 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 12f1a0eb-9dd8-4053-a15a-9cd2e38eabe5 · outbound
Numerous bow shocks in the outer Helix Nebula Unraveling the Helix Nebula: Its Structure and Knots
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0c31ef4c-221e-42ec-8fef-e13e4ede3aad · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation dce5fa84-9d68-4688-908e-8d51539631b1 · outbound
Numerous bow shocks in the outer Helix Nebula Discovery of a halo around the Helix Nebula NGC 7293 in the WISE all-sky survey
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 28e330e3-8c28-460a-a7c3-122cd87a5856 · outbound
Numerous bow shocks in the outer Helix Nebula L., Latter, W
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 37a9c203-c6fb-480d-a947-a018460cebd5 · outbound
Numerous bow shocks in the outer Helix Nebula The bow-shock and high-speed jet in the faint, 40 arcmin diameter, outer halo of the evolved Helix planetary nebula (NGC 7293)
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e45fc450-160a-43ba-8b2b-22beb812f728 · outbound
Numerous bow shocks in the outer Helix Nebula M.et al.Realizing the potential of the Dragonfly Spectral Line Mapper: calibration methods and on-sky performance
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation dd7f9440-43b0-4b97-b483-309b3937679a · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation aeea8ed4-5a90-4238-8b77-69b0c963a8c2 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation b785ea77-4979-46eb-a1cd-fa4a0a84ae96 · outbound
Numerous bow shocks in the outer Helix Nebula D., Libert, Y ., G´erard, E., Le Bertre, T
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation c38b20ee-c96f-4b6b-b970-043879e079cd · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation eb58a368-2e4e-4724-bd4d-9d69daa2f2ef · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 89b537a3-9d96-428d-b08c-1e064b19f286 · outbound
Numerous bow shocks in the outer Helix Nebula & Olofsson, H
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 63fd3626-a7fe-4e76-a367-3c63a078ad36 · outbound
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation f9516705-dce6-4866-bcf8-45d3247b3912 · outbound
Numerous bow shocks in the outer Helix Nebula Hst imaging of proto-planetary nebulae and very young planetary nebulae—towards a new under- standing of their formation
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 8c8d76ae-fd66-49c6-a2a5-cc2ff31b4e7c · outbound
Numerous bow shocks in the outer Helix Nebula & S´anchez Contreras, C
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation f5aeff3e-f030-4bf0-98e7-3268f0bcdc84 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation e0763344-8584-4646-b714-6b8bd110fb47 · outbound
Numerous bow shocks in the outer Helix Nebula True versus apparent shapes of bow shocks
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 3049e55c-b6ec-4eca-96c7-931dc4b7466c · outbound
Numerous bow shocks in the outer Helix Nebula W., Dyson, J
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 8ce87801-b774-4e10-bcb9-f08ef8085b53 · outbound
Numerous bow shocks in the outer Helix Nebula M., Hartquist, T
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 0b87d575-ea2e-4da7-820a-fca56a375db8 · outbound
Numerous bow shocks in the outer Helix Nebula Fuel Efficient Galaxies: Sustaining Star Formation with Stellar Mass Loss
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1abd330c-0622-47d7-a0a1-a515f683923f · outbound
Numerous bow shocks in the outer Helix Nebula An HI Imaging Survey of Asymptotic Giant Branch Stars
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5395cb4b-f85e-4038-b5e1-64641013a0f8 · outbound
Numerous bow shocks in the outer Helix Nebula W., Veeravalli, G
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation d8cf43d8-6953-451e-96dd-0e3a0c3c0ebd · outbound
Numerous bow shocks in the outer Helix Nebula The Enrichment of the Intergalactic Medium with Adiabatic Feedback I: Metal Cooling and Metal Diffusion
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation b36ce006-ee31-4933-b5f8-7864a27e2b6c · outbound
Numerous bow shocks in the outer Helix Nebula F., Dav ´e, R
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 97ec9b2a-a316-4023-b936-e14f09705cb9 · outbound
Numerous bow shocks in the outer Helix Nebula J., Bachiller, R., Cox, P
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 3808ad7d-49ad-4b74-9615-00765135183f · outbound
Numerous bow shocks in the outer Helix Nebula High Resolution CO and H2 Molecular Line Imaging of a Cometary Globule in the Helix Nebula
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 59c73b54-20ac-4a4d-b748-28f85da7f3cb · outbound
Numerous bow shocks in the outer Helix Nebula Knots in the Helix Nebula found in H2
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 87c43c5f-dc00-4990-9597-ad20d1c8c5fd · outbound
Numerous bow shocks in the outer Helix Nebula Infrared Observations of The Helix Planetary Nebula
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation e66153d6-18bf-4b95-abd1-f303e89a8583 · outbound
Numerous bow shocks in the outer Helix Nebula Evolution of planetary nebulae
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation cbe23366-5b43-467b-9c9a-e1a7c8ccda7a · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 2cf2acf4-bc5f-4cf4-b5dc-7249caa8a2d2 · outbound
Numerous bow shocks in the outer Helix Nebula R., Corradi, R
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 9162594a-1cfd-4067-871b-48137f621cc4 · outbound
Numerous bow shocks in the outer Helix Nebula Unresolved cited work
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 126f1f74-d3d1-404b-90e4-ff21adccb525 · outbound
Numerous bow shocks in the outer Helix Nebula C., van Hoof, P
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 0bacc3b0-c40e-439a-8976-d817588a1d58 · outbound
Numerous bow shocks in the outer Helix Nebula A robust and simple method for filling in masked data in astronomical images
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 468f3365-d291-4e45-82b8-116d52dde6fe · outbound
Numerous bow shocks in the outer Helix Nebula Tidal Distortions in NGC1052-DF2 and NGC1052-DF4: Independent Evidence for a Lack of Dark Matter
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation d3965ffc-4e85-4aec-8006-b6769bc60ce7 · outbound
Numerous bow shocks in the outer Helix Nebula Dialogue Concerning the Two Shock Codes
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 74412a57-8890-4836-9075-a0f4515c6733 · outbound
Numerous bow shocks in the outer Helix Nebula dfreproject: A Python package for astronomical reprojection
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 439345fb-5e39-4f5f-93c9-ee1d1a164a9c · outbound
Numerous bow shocks in the outer Helix Nebula As discussed in the main text, we use the parabola as the fiducial profile, and take the rms ranges inR c andR 0 from the four fits as uncertainties
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.
Observation 47cd821b-71f7-4e95-bf76-455415aa7699 · inbound
Numerous bow shocks in the outer Helix Nebula Numerous bow shocks in the outer Helix Nebula
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.