SDSS J162757.94+270022.6

All names: GALEX J162757.9+270023, Gaia EDR3 1305074569358377088, Gaia DR2 1305074569358377088, Gaia DR3 1305074569358377088, SDSS J162757.95+270022.6, SDSS J162757.94+270022.6, WD 1625+271.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 27 57.91 (0.2) 16 27 57.95 16 27 57.91 (0.2) 16 27 57.95 (0.2) 16 27 57.95 16 27 57.43 16 27 57.95
Declination 27 00 23.05 (0.2) 27 00 22.62 27 00 23.03 (0.2) 27 00 22.53 (0.2) 27 00 22.63 27 00 18.36 27 00 22.63
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 11468.0 13228.0 (403) 13225.0 (420)
log(g) [cgs] 7.54 7.77 (0.1) 7.86 (0.1)
Mass [M☉] 0.38 0.537 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2486
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.14 (0.3) 2.22 (0.3) 2.14 (0.3)
Distance [pc] 467.60 (60) 449.79 (61) 467.60 (60)
Composition H
Proper motion (right ascension) [mas/yr] -38.50213006 (0.2) -38.36501901 (0.5) -38.502 (0.2) -35.1
Proper motion (declination) [mas/yr] 32.48746395 (0.3) 32.36280186 (0.5) 32.487 (0.3) 27.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.75 (0.03) 19.75 (0.03) 19.72 (0.03) 19.71 19.74 (0.03)
g magnitude 19.32 (0.01) 19.32 (0.01) 19.32 (0.02) 19.31 19.33 (0.02)
r magnitude 19.53 (0.01) 19.53 (0.01) 19.52 (0.02) 19.51 19.52 (0.02)
i magnitude 19.77 (0.02) 19.77 (0.02) 19.75 (0.03) 19.74 19.76 (0.03)
z magnitude 20.08 (0.09) 20.08 (0.09) 20.01 (0.08) 20.00 20.05 (0.08)
G magnitude 19.43 (0.03) 19.47 19.43 (0.004)
BP magnitude 19.40 (0.03) 19.37
RP magnitude 19.53 (0.06) 19.39
Pan g magnitude 19.34 (0.008)
Pan r magnitude 19.55 (0.007)
Pan i magnitude 19.77 (0.007)
Pan z magnitude 20.01 (0.03)
Pan y magnitude 19.70 (0.06)
E(B-V) 0.030

* 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.