SDSS J162558.99+271904.2

All names: SDSS J162558.99+271904.2, WD 1623+274, Gaia DR2 1305144285267754752, Gaia DR3 1305144285267754752, Gaia EDR3 1305144285267754752, GALEX J162559.0+271904

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 25 59.00 (0.4) 16 25 58.99 16 25 59.00 (0.4) 16 25 58.99 (0.4) 16 25 58.99 16 25 59.11 16 25 58.99
Declination 27 19 03.98 (0.5) 27 19 04.23 27 19 03.99 (0.6) 27 19 04.29 (0.5) 27 19 04.24 27 18 58.32 27 19 04.24
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 18101.0 14450.0 (555) 14512.0 (581)
log(g) [cgs] 8.14 7.61 (0.2) 7.71 (0.2)
Mass [M☉] 0.701 0.482 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1367
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] 1.69 (0.5) 1.61 (0.7) 1.69 (0.5)
Distance [pc] 593.41 (191) 622.24 (270) 593.40 (191)
Composition H
Proper motion (right ascension) [mas/yr] 6.872123269 (0.5) 6.25106937 (1) 6.872 (0.5) 11.3
Proper motion (declination) [mas/yr] -19.70061208 (0.6) -19.17393294 (1) -19.701 (0.6) -29.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.50 (0.05) 20.50 (0.05) 20.50 (0.05) 20.49 20.51 (0.05)
g magnitude 20.16 (0.02) 20.16 (0.02) 20.17 (0.02) 20.16 20.17 (0.02)
r magnitude 20.39 (0.03) 20.39 (0.03) 20.44 (0.03) 20.43 20.44 (0.02)
i magnitude 20.66 (0.04) 20.66 (0.04) 20.70 (0.04) 20.69 20.70 (0.04)
z magnitude 20.98 (0.2) 20.98 (0.2) 20.99 (0.2) 20.98 21.02 (0.2)
G magnitude 20.33 (0.06) 20.40 20.33 (0.006)
BP magnitude 20.32 (0.06) 20.14
RP magnitude 20.23 (0.08) 20.39
Pan g magnitude 20.22 (0.01)
Pan r magnitude 20.41 (0.03)
Pan i magnitude 20.67 (0.02)
Pan z magnitude 20.76 (0.04)
Pan y magnitude
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.