GD 41

All names: 2MASS J03043733+0256578, Feige 31, EUVE J0304+02.9, Gaia DR2 1068931460633216, GEN# +6.10060041, WD 0302+02, LP 591-260, GSC 00058-00900, GALEX J030437.2+025657, GD 41, uvby98 610060041, WD0302+027, [ZEH2003] RX J0304.6+0257 1, 1RXS J030437.1+025706, EGGR 270, RX J0304.6+0257, LAMOST J030437.29+025656.6, Gaia DR3 1068931460633216, WD 0302+027, PG 0302+027, FB 28, PG 0302+028, [HH86] 0302+027A, UBV M 43044, US 3611, 2EUVE J0304+02.9, TIC 328298989, PB 6996, Gaia EDR3 1068931460633216, LSPM J0304+0256, USNO-B1.0 0929-00042439

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 04 37.28 (0.04) 03 04 37.28 (0.05) 03 04 37.40 03 04 37.28 03 04 37.32 (0.04) 03 04 37.13
Declination 02 56 55.68 (0.04) 02 56 55.75 (0.05) 02 56 57.00 02 56 55.68 02 56 58.04 (0.04) 02 56 56.40
Spectral type DA DA DA DA DA1.4 DAWK
Effective temperature [K] 29356.0 35790.0 (540) 35270.0 (61) 35130.0 (126) 39060.0 (1781)
log(g) [cgs] 7.55 7.80 (0.05) 7.77 (0.009) 8.02 (0.02) 7.88 (0.03)
Mass [M] 0.441 0.57 (0.02) 0.67 0.607 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0102
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] 7.56 (0.05) 7.52 (0.07) 7.56 7.56 (0.05)
Distance [pc] 132.26 (0.9) 133.04 (1) 127.00 132.26 132.26 (0.9)
Composition H H
Proper motion (right ascension) [mas/yr] -44.37735388 (0.05) -44.48558088 (0.1) -44.377 (0.05)
Proper motion (declination) [mas/yr] -147.3552465 (0.04) -147.4288047 (0.1) -147.355 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.68
V magnitude 14.97 14.97
R magnitude 15.20
I magnitude
J magnitude 15.54 (0.05)
H magnitude 15.94 (0.1)
K magnitude 15.85 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.88 (0.002) 14.90 14.88 14.88 (0.003)
BP magnitude 14.73 (0.002) 14.69
RP magnitude 15.19 (0.003) 15.19
Pan g magnitude 14.71 (0.005)
Pan r magnitude 15.15 (0.006)
Pan i magnitude 15.52 (0.002)
Pan z magnitude 15.82 (0.003)
Pan y magnitude 15.99 (0.004)
E(B-V) 0.008

* 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.