EGGR 311

All names: G 73-4, Gaia EDR3 2511623211717232640, G 159-12, G71-41, WD 0151+01, LSPM J0154+0201, G 71-41, WD 0151+017, SDSS J015414.08+020124.0, 2MASS J01541390+0201242, TIC 293565926, WD0151+017, SDSS J015414.07+020124.0, Gaia DR2 2511623211717232640, WDJ015413.89+020124.14, USNO-B1.0 0920-00020190, GALEX J015414.0+020124, EGGR 311, J0154+0201, Gaia DR3 2511623211717232640, PHL 1224, NLTT 6381

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 54 14.24 (0.03) 01 54 14.23 (0.05) 01 54 13.90 01 54 14.24 01 54 13.89 (0.03) 01 54 14.23 01 54 12.79
Declination 02 01 23.98 (0.02) 02 01 23.98 (0.04) 02 01 24.00 02 01 23.98 02 01 24.14 (0.02) 02 01 23.98 02 01 24.96
Spectral type DA DA DA DA DA DA3.9 DA4
Effective temperature [K] 12469.0 (68) 12270.0 12860.0 (212) 12440.0 (25) 12214.0 (30) 12498.0 (109)
log(g) [cgs] 7.96 (0.005) 7.95 7.98 (0.05) 7.84 (0.008) 7.78 (0.02) 7.97 (0.006)
Mass [M] 0.586 (0.004) 0.578 0.59 (0.03) 0.49 0.592 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.3295
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] 20.98 (0.03) 20.87 (0.07) 20.98 20.98 (0.03) 20.87 (0.07)
Distance [pc] 47.66 (0.08) 47.90 (0.1) 50.00 47.66 47.66 (0.08) 47.90 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 331.4570358 (0.04) 331.2237998 (0.1) 331.457 (0.04) 331.2237998
Proper motion (declination) [mas/yr] -10.02350642 (0.03) -10.09076927 (0.09) -10.024 (0.03) -10.09076927
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.16
V magnitude 15.00 15.00
R magnitude 14.40
I magnitude
J magnitude 15.13 (0.04)
H magnitude 15.07 (0.1)
K magnitude 15.36 (0.2)
u magnitude 15.30 (0.005) 15.30 (0.005)
g magnitude 14.89 (0.004) 14.89 (0.004)
r magnitude 15.09 (0.004) 15.09 (0.004)
i magnitude 15.30 (0.005) 15.30 (0.005)
z magnitude 15.55 (0.006) 15.55 (0.006)
G magnitude 14.98 (0.001) 15.00 14.98 14.98 (0.003) 15.00
BP magnitude 14.98 (0.001) 14.98 14.98
RP magnitude 15.02 (0.002) 15.03 15.03
Pan g magnitude 14.90 (0.002)
Pan r magnitude 15.11 (0.003)
Pan i magnitude 15.32 (0.002)
Pan z magnitude 15.55 (0.003)
Pan y magnitude 15.69 (0.004)
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.