WD 1308+316

All names: OMHR 61959, [BCF91] 836, GALEX J131108.9+312253, KUV 494-17, Gaia EDR3 1466118804824748160, PB 3374, Gaia DR3 1466118804824748160, [S78c] SA 57 28, WD 1308+316, US 388, CBS 343, Ton 1562, SDSS J131108.95+312252.7, KUV 13088+3139, Gaia DR2 1466118804824748160, OMHR J131109.04+312254.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 13 11 08.94 (0.05) 13 11 08.94 (0.06) 13 11 08.94 13 11 08.97 (0.05) 13 11 08.45
Declination 31 22 52.19 (0.03) 31 22 52.22 (0.05) 31 22 52.19 31 22 52.94 (0.03) 31 22 52.32
Spectral type DA DA DA DA3.6 DA
Effective temperature [K] 12990.0 13830.0 (421) 13251.0 (176)
log(g) [cgs] 8.01 8.04 (0.06) 8.04 (0.01)
Mass [M] 0.614 0.63 (0.03) 0.634 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.3053
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] 8.98 (0.07) 8.85 (0.09) 8.98 8.98 (0.07)
Distance [pc] 111.38 (0.8) 113.02 (1) 97.00 111.38 111.38 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] -24.33193011 (0.06) -24.58356541 (0.1) -24.332 (0.06)
Proper motion (declination) [mas/yr] -47.0772557 (0.04) -46.97499238 (0.1) -47.077 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude 16.79
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.08 (0.02)
g magnitude 16.71 (0.02)
r magnitude 16.95 (0.02)
i magnitude 17.19 (0.02)
z magnitude 17.42 (0.02)
G magnitude 16.84 (0.004) 16.86 16.84 16.84 (0.003)
BP magnitude 16.83 (0.004) 16.83
RP magnitude 16.91 (0.006) 16.91
Pan g magnitude 16.75 (0.002)
Pan r magnitude 16.98 (0.006)
Pan i magnitude 17.21 (0.004)
Pan z magnitude 17.44 (0.004)
Pan y magnitude 17.58 (0.01)
E(B-V) 0.005

* 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.