GD 45

All names: GCRV 21687, GJ 2029, uvby98 610060045, Gaia DR3 125952943908854144, FBS B 470, 1SWASP J031942.73+344223.8, GALEX J031942.8+344223, L 587-77, GD 45, UCAC2 43915066, BPM 85584, TIC 137909427, GEN# +6.10060045, FBS 0316+345, LAMOST J031942.79+344221.8, L 1451-7, LP 247-22, WDJ031942.76+344223.74, USNO-B1.0 1247-00046982, Gaia EDR3 125952943908854144, Gaia DR2 125952943908854144, NLTT 10568, WD 0316+34, WD 0316+345, 2MASS J03194275+3442241, LSPM J0319+3442, EGGR 208

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 19 42.82 (0.04) 03 19 42.82 (0.06) 03 19 42.82 03 19 42.76 (0.04) 03 19 42.82 03 19 42.84
Declination 34 42 20.79 (0.03) 34 42 20.88 (0.04) 34 42 20.79 34 42 23.74 (0.03) 34 42 20.88 34 42 26.28
Spectral type DA DA DA DA3.3 DA3.5
Effective temperature [K] 14938.0 15350.0 (249) 14626.0 (137)
log(g) [cgs] 7.63 7.68 (0.05) 7.60 (0.008)
Mass [M] 0.426 0.46 (0.02) 0.414 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.1134
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] 20.43 (0.04) 20.31 (0.07) 20.43 20.43 (0.04) 20.31 (0.07)
Distance [pc] 48.95 (0.1) 49.24 (0.2) 48.00 48.95 48.95 (0.1) 49.24 (0.2)
Composition H H
Proper motion (right ascension) [mas/yr] 46.70526437 (0.04) 46.87892577 (0.1) 46.705 (0.04) 46.87892577
Proper motion (declination) [mas/yr] -184.5367939 (0.03) -184.5058688 (0.09) -184.537 (0.03) -184.5058688
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.24
V magnitude
R magnitude 14.50
I magnitude
J magnitude 14.57 (0.03)
H magnitude 14.68 (0.06)
K magnitude 14.57 (0.08)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.23 (0.001) 14.25 14.23 14.23 (0.003) 14.25
BP magnitude 14.18 (0.001) 14.17 14.17
RP magnitude 14.35 (0.002) 14.36 14.36
Pan g magnitude 14.12 (0.002)
Pan r magnitude 14.41 (0.006)
Pan i magnitude 14.68 (0.001)
Pan z magnitude 14.93 (0.004)
Pan y magnitude 15.08 (0.002)
E(B-V) 0.001

* 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.