C.D.S. - SIMBAD4 rel 1.8 - 2024.05.04CEST05:37:28 SDSS J081840.75+204747.9 ------------------------ Object GALEX J081840.7+204748 --- WD* --- OID=@5375678 (@@-1,255) --- coobox=5608 Coordinates(ICRS,ep=J2000,eq=2000): 08 18 40.7544055968 +20 47 48.064917012 (Opt ) A [0.2947 0.2139 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 08 15 45.9878625736 +20 57 13.027551520 Coordinates(Gal,ep=J2000,eq=2000): 202.6391264793668 +28.1002959440116 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -5.404 -3.479 [0.370 0.258 90] A 2020yCat.1350....0G Parallax: 1.0289 [0.3319] A 2020yCat.1350....0G Radial Velocity: -30 [60] E 2009ApJS..182..543A Redshift: -0.00010 [0.00020] E 2009ApJS..182..543A cz: -30.0 [60.0] E 2009ApJS..182..543A Flux G : 19.383303 [0.004298] C 2020yCat.1350....0G Flux u : 19.216 [0.028] C 2009ApJS..182..543A Flux g : 19.361 [0.013] C 2009ApJS..182..543A Flux r : 19.689 [0.018] C 2009ApJS..182..543A Flux i : 19.442 [0.020] C 2009ApJS..182..543A Flux z : 19.064 [0.046] C 2009ApJS..182..543A Spectral type: DA+M D 2012MNRAS.424.1841L Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (11): SDSS J081840.74+204748.0 GALEX J081840.7+204748 Gaia DR3 675740604978228608 SDSS J081840.75+204747.9 [HHD2009] SDSS J0818+2047 SDSS J081840.75+204748.0 SDSS J081840.76+204748.0 WIRED J081840.75+204748.0 WD 0815+209 Gaia DR2 675740604978228608 SDSS J081840.80+204748.1 Bibcodes 1850-2024 () (9): 2021MNRAS.508.3877G 2020ApJ...901...93B 2016yCat....1.2035M 2013ApJS..204....5K 2012MNRAS.424.1841L 2011ApJS..197...38D 2010MNRAS.402..620R 2009A&A...496..191H 2007AJ....134..741S Measures (diameter:2 distance:3 Fe_H:6 MK:5 PLX:2 PM:2 ): diameter:2distance:3Fe_H:6MK:5PLX:2PM:2 Notes (0) : ================================================================================