WD 2309-276

All names: J2312-2722, 2QZ J231212.9-272205, USNO-B1.0 0626-01179687, GALEX J231213.4-272206, WT 2323, Gaia EDR3 2379201119352265472, WD 2309-276, LP 933-65, NLTT 56116, WDJ231213.33-272206.17, Gaia DR3 2379201119352265472, Gaia DR2 2379201119352265472

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 12 13.61 (0.06) 23 12 13.60 (0.09) 23 12 13.61 23 12 13.33 (0.06) 23 12 13.60 23 12 15.17
Declination -27 22 06.86 (0.07) -27 22 06.84 (0.1) -27 22 06.86 -27 22 06.17 (0.07) -27 22 06.84 -27 21 16.56
Spectral type DA: DA: DC DA DA:
Effective temperature [K] 10087.0 (58) 9795.0 9336.0 (116)
log(g) [cgs] 8.32 (0.01) 8.26 8.07 (0.02)
Mass [M] 0.8 (0.01) 0.762 0.62 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.9900 0.9341
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] 13.71 (0.07) 13.64 (0.1) 13.64 (0.1) 13.71 13.71 (0.07) 13.64 (0.1)
Distance [pc] 72.94 (0.4) 73.31 (0.6) 73.30 (0.6) 72.94 72.94 (0.4) 73.30 (0.6)
Composition H H
Proper motion (right ascension) [mas/yr] 233.7669721 (0.07) 233.9335349 (0.2) 233.767 (0.07) 233.9335349
Proper motion (declination) [mas/yr] -43.33838548 (0.08) -43.17271681 (0.2) -43.338 (0.08) -43.17271681
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.80
V magnitude
R magnitude 17.00
I magnitude
J magnitude 16.90 (0.02)
H magnitude
K magnitude 16.89 (0.08)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.94 (0.005) 16.97 16.94 16.94 (0.003) 16.97
BP magnitude 16.99 (0.005) 16.95 16.95
RP magnitude 16.85 (0.006) 16.83 16.83
Pan g magnitude 16.98 (0.005) 16.98 (0.005)
Pan r magnitude 17.04 (0.004) 17.04 (0.005)
Pan i magnitude 17.17 (0.004) 17.17 (0.004)
Pan z magnitude 17.33 (0.002) 17.33 (0.002)
Pan y magnitude 17.43 (0.01) 17.43 (0.007)
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.