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arxiv: 2110.06184 · v2 · pith:X7W6GKOKnew · submitted 2021-10-12 · 🌌 astro-ph.CO · astro-ph.GA· astro-ph.HE· gr-qc

GLADE+: An Extended Galaxy Catalogue for Multimessenger Searches with Advanced Gravitational-wave Detectors

G. D\'alya , R. D\'iaz , F. R. Bouchet , Z. Frei , J. Jasche , G. Lavaux , R. Macas , S. Mukherjee
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M. P\'alfi R. S. de Souza B. D. Wandelt M. Bilicki P. Raffai
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classification 🌌 astro-ph.CO astro-ph.GAastro-ph.HEgr-qc
keywords galaxiesgladebandcataloguegalaxyluminositytotaladvanced
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We present GLADE+, an extended version of the GLADE galaxy catalogue introduced in our previous paper for multimessenger searches with advanced gravitational-wave detectors. GLADE+ combines data from six separate but not independent astronomical catalogues: the GWGC, 2MPZ, 2MASS XSC, HyperLEDA, and WISExSCOSPZ galaxy catalogues, and the SDSS-DR16Q quasar catalogue. To allow corrections of CMB-frame redshifts for peculiar motions, we calculated peculiar velocities along with their standard deviations of all galaxies having $B$-band magnitude data within redshift $z=0.05$ using the "Bayesian Origin Reconstruction from Galaxies" formalism. GLADE+ is complete up to luminosity distance $d_L=47^{+4}_{-2}$ Mpc in terms of the total expected $B$-band luminosity of galaxies, and contains all of the brightest galaxies giving 90\% of the total $B$-band and $K$-band luminosity up to $d_L\simeq 130$ Mpc. We include estimations of stellar masses and individual binary neutron star merger rates for galaxies with $W1$ magnitudes. These parameters can help in ranking galaxies in a given gravitational wave localization volume in terms of their likelihood of being hosts, thereby possibly reducing the number of pointings and total integration time needed to find the electromagnetic counterpart.

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