GD 1104

All names: 2MASS J02054904-1338272, Gaia EDR3 5149462073310745344, NSV 721, SDSS J020549.03-133827.5, 2RXP J020548.8-133817, TIC 257506060, WD J0205-136, WD 0203-138, Gaia DR3 5149462073310745344, GALEX J020549.0-133827, GD 1104, USNO-B1.0 0763-00020846, Gaia DR2 5149462073310745344, WDJ0205-136, 1RXS J020549.7-133818

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2005 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 02 05 49.04 (0.05) 02 05 49.04 (0.1) 02 05 49.10 02 05 49.04 02 05 49.05 (0.05) 02 05 49.30
Declination -13 38 27.72 (0.04) -13 38 27.71 (0.07) -13 38 27.00 -13 38 27.72 -13 38 27.40 (0.04) -13 38 30.12
Spectral type DA DA DA DA DA1.0 DA1
Effective temperature [K] 49850.0 (1105) 48529.0 (275) 44600.0 51570.0 (260) 48912.0 (3245)
log(g) [cgs] 8.03 (0.08) 8.00 (0.02) 7.80 7.84 (0.02) 7.91 (0.04)
Mass [M] 0.71 (0.04) 0.62 0.621 (0.05)
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] 4.54 (0.06) 4.62 (0.1) 4.54 4.54 (0.06)
Distance [pc] 220.18 (3) 216.49 (5) 197.00 220.18 220.18 (3)
Composition H H
Proper motion (right ascension) [mas/yr] -3.679084113 (0.06) -3.989742545 (0.2) -3.679 (0.06)
Proper motion (declination) [mas/yr] -20.09887846 (0.05) -20.17791891 (0.1) -20.099 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.70 15.70 15.70
V magnitude
R magnitude
I magnitude
J magnitude 16.45 (0.1)
H magnitude
K magnitude
u magnitude 15.13 (0.007)
g magnitude 15.54 (0.01)
r magnitude 16.02 (0.02)
i magnitude 16.39 (0.01)
z magnitude 16.69 (0.03)
G magnitude 15.77 (0.003) 15.80 15.77 15.77 (0.003)
BP magnitude 15.61 (0.003) 15.53
RP magnitude 16.08 (0.004) 16.08
Pan g magnitude 15.58 (0.003)
Pan r magnitude 16.04 (0.005)
Pan i magnitude 16.41 (0.002)
Pan z magnitude 16.71 (0.004)
Pan y magnitude 16.89 (0.008)
E(B-V) 0.029

* 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.