WD 1254+316

All names: PB 3146, Ton 676, Gaia DR2 1465589351320445696, OMHR 148685, Gaia EDR3 1465589351320445696, Gaia DR3 1465589351320445696, OMHR J125653.65+312009.7, WD 1254+316, SDSS J125653.70+312010.1, US 40, [BCF91] 161, CSO 772, LAMOST J125653.70+312010.1, SDSS J125653.69+312010.1, GALEX J125653.7+312010

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 56 53.74 (0.06) 12 56 53.70 12 56 53.73 (0.08) 12 56 53.74 12 56 53.69 (0.06) 12 56 52.92 12 56 53.70
Declination 31 20 10.11 (0.06) 31 20 10.14 31 20 10.11 (0.06) 31 20 10.11 31 20 10.19 (0.06) 31 20 11.40 31 20 10.13
Spectral type DA DA DA DA DA DA
Effective temperature [K] 10665.0 10633.0 (158) 10671.0 (36)
log(g) [cgs] 7.94 7.94 (0.02) 8.11 (0.03)
Mass [M] 0.566 0.568 (0.02) 0.664 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.4707
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] 8.94 (0.08) 8.95 (0.1) 8.94 8.94 (0.08)
Distance [pc] 111.89 (1) 111.71 (1) 111.89 111.89 (1)
Composition H
Proper motion (right ascension) [mas/yr] 37.51510484 (0.07) 37.53677182 (0.1) 37.515 (0.07)
Proper motion (declination) [mas/yr] -5.022223656 (0.1) -5.202881842 (0.1) -5.022 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.50 (0.01) 17.50 (0.01) 17.50 (0.01)
g magnitude 17.09 (0.004) 17.09 (0.004) 17.10 (0.01)
r magnitude 17.25 (0.005) 17.25 (0.005) 17.25 (0.02)
i magnitude 17.40 (0.006) 17.40 (0.006) 17.40 (0.01)
z magnitude 17.57 (0.02) 17.57 (0.02) 17.58 (0.03)
G magnitude 17.13 (0.006) 17.15 17.13 17.13 (0.003)
BP magnitude 17.18 (0.006) 17.16
RP magnitude 17.09 (0.01) 17.08
Pan g magnitude 17.09 (0.005)
Pan r magnitude 17.21 (0.003)
Pan i magnitude 17.39 (0.006)
Pan z magnitude 17.59 (0.004)
Pan y magnitude 17.69 (0.01)
E(B-V) 0.004

* 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.