SDSS J151750.53+224400.3

All names: Gaia DR3 1215328277066781056, SDSS J151750.53+224400.38, Gaia EDR3 1215328277066781056, SDSS J151750.53+224400.3, Gaia DR2 1215328277066781056

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 15 17 50.52 (0.2) 15 17 50.53 15 17 50.52 (0.3) 15 17 50.53 (0.2)
Declination 22 44 00.39 (0.2) 22 44 00.39 22 44 00.39 (0.2) 22 44 00.40 (0.2)
Spectral type DAB/sdB DAB/sdB
Effective temperature [K] 27753.0 (565)
log(g) [cgs] 5.03 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.38 (0.3) -0.47 (0.3)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -4.004021717 (0.3) -4.922976942 (0.7) -4.004 (0.3)
Proper motion (declination) [mas/yr] -0.430261891 (0.3) -1.321841885 (0.6) -0.43 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.10 (0.02) 19.10 (0.03) 19.10 (0.03)
g magnitude 19.16 (0.01) 19.17 (0.02) 19.17 (0.02)
r magnitude 19.57 (0.01) 19.56 (0.02) 19.56 (0.02)
i magnitude 19.91 (0.03) 19.92 (0.03) 19.92 (0.03)
z magnitude 20.20 (0.1) 20.22 (0.1) 20.22 (0.1)
G magnitude 19.36 (0.05) 19.41 19.36 (0.004)
BP magnitude 19.28 (0.05) 19.28
RP magnitude 19.50 (0.08) 19.51
Pan g magnitude 19.20 (0.01)
Pan r magnitude 19.57 (0.01)
Pan i magnitude 19.89 (0.01)
Pan z magnitude 20.10 (0.03)
Pan y magnitude 20.07 (0.06)
E(B-V)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.