GD 372

All names: GD 372, Gaia DR2 4576304838064664064, 2MASS J18042349+2121031, WD 1802+213, TIC 135411351, Gaia EDR3 4576304838064664064, WDJ180423.48+212102.79, EGGR 496, Gaia DR3 4576304838064664064, USNO-B1.0 1113-00297027

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 18 04 23.39 (0.02) 18 04 23.40 (0.02) 18 04 23.39 18 04 23.48 (0.02) 18 04 23.40 18 04 23.66
Declination 21 21 01.60 (0.03) 21 21 01.63 (0.05) 21 21 01.60 21 21 02.79 (0.03) 21 21 01.63 21 21 08.64
Spectral type DA DA DA DA3.0 DA4
Effective temperature [K] 13249.0 16960.0 (278) 16787.0 (46) 15608.0 (131)
log(g) [cgs] 7.71 7.90 (0.05) 7.64 (0.01) 7.89 (0.008)
Mass [M☉] 0.457 0.56 (0.03) 0.555 (0.006)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1905
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] 11.48 (0.04) 11.51 (0.06) 11.48 11.48 (0.04) 11.51 (0.06)
Distance [pc] 87.10 (0.3) 86.86 (0.5) 95.00 87.10 87.10 (0.3) 86.86 (0.5)
Composition H H
Proper motion (right ascension) [mas/yr] -76.69349989 (0.02) -76.6927833 (0.05) -76.693 (0.02) -76.6927833
Proper motion (declination) [mas/yr] -74.35875187 (0.04) -74.56607529 (0.1) -74.359 (0.04) -74.56607529
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.50
V magnitude 15.77
R magnitude 16.30
I magnitude
J magnitude 16.10 (0.07)
H magnitude 15.87 (0.1)
K magnitude 15.81 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.81 (0.001) 15.83 15.81 15.81 (0.003) 15.83
BP magnitude 15.78 (0.001) 15.76 15.76
RP magnitude 15.90 (0.002) 15.90 15.90
Pan g magnitude 15.72 (0.01)
Pan r magnitude 15.97 (0.002)
Pan i magnitude 16.21 (0.002)
Pan z magnitude 16.43 (0.006)
Pan y magnitude 16.59 (0.006)
E(B-V) 0.023

* 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.