GD 661

All names: PHL 3104, USNO-B1.0 0652-00010142, GD 661, TIC 63794724, WD 0052-250, Gaia DR3 2345431719942784768, WDJ005435.53-244353.05, 2MASS J00543551-2443531, Gaia DR2 2345431719942784768, Gaia EDR3 2345431719942784768

Parameter Unit Gaia EDR3 Pan-STARRS DR1 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 00 54 35.51 (0.05) 00 54 35.51 (0.07) 00 54 35.51 00 54 35.53 (0.05) 00 54 35.51 00 54 35.62
Declination -24 43 54.52 (0.04) -24 43 54.47 (0.05) -24 43 54.52 -24 43 53.05 (0.04) -24 43 54.47 -24 43 50.52
Spectral type DA DA DA3.7 DA5
Effective temperature [K] 13760.0 (413) 13783.0 (190)
log(g) [cgs] 8.00 (0.06) 8.10 (0.01)
Mass [M] 0.61 (0.03) 0.667 (0.01)
log(Luminosity) [L]
Cooling age [Gyr]
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] 10.41 (0.06) 10.39 (0.08) 10.41 10.41 (0.06) 10.39 (0.08)
Distance [pc] 96.10 (0.6) 96.22 (0.7) 105.00 96.10 96.10 (0.6) 96.22 (0.7)
Composition H
Proper motion (right ascension) [mas/yr] -12.5248807 (0.06) -12.58226727 (0.1) -12.525 (0.06) -12.58226727
Proper motion (declination) [mas/yr] -91.44402889 (0.06) -91.34503843 (0.09) -91.444 (0.06) -91.34503843
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude 16.30
I magnitude
J magnitude 16.51 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.53 (0.003) 16.56 16.53 16.53 (0.003) 16.56
BP magnitude 16.53 (0.003) 16.53 16.53
RP magnitude 16.59 (0.005) 16.60 16.60
Pan g magnitude 16.46 (0.02)
Pan r magnitude 16.67 (0.005)
Pan i magnitude 16.90 (0.004)
Pan z magnitude 17.12 (0.007)
Pan y magnitude 17.28 (0.01)
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.