WD 1208+095

All names: USNO-B1.0 0992-00214763, SDSS J121102.81+091329.75, SDSS J121102.80+091329.7, WD 1208+095, SDSS J121102.80+091330.0, Gaia EDR3 3905156755706681600, SDSS J121102.81+091329.7, Gaia DR2 3905156755706265856, Gaia DR3 3905156755706681600

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 12 11 02.81 (0.3) 12 11 02.81 12 11 02.81 (0.4) 12 11 02.81 12 11 02.80 (0.3) 12 11 02.28
Declination 09 13 29.37 (0.2) 09 13 29.75 09 13 29.39 (0.2) 09 13 29.37 09 13 30.13 (0.2) 09 13 30.72
Spectral type DA DA DA DA ? DA
Effective temperature [K] 7919.0 7880.0 (48) 7545.0 (428)
log(g) [cgs] 7.75 7.76 (0.08) 7.83 (0.1)
Mass [M] 0.459 0.487 (0.04) 0.5 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.8033
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] 5.02 (0.4) 4.39 (0.6) 5.02 5.02 (0.4)
Distance [pc] 199.10 (14) 227.74 (30) 199.10 199.10 (14)
Composition H
Proper motion (right ascension) [mas/yr] 5.829381165 (0.4) 7.124272275 (0.8) 5.829 (0.4)
Proper motion (declination) [mas/yr] -47.36339235 (0.2) -47.52166562 (0.5) -47.363 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.30
V magnitude
R magnitude 19.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.01 (0.04) 20.03 (0.04) 20.02 (0.04)
g magnitude 19.57 (0.01) 19.58 (0.03) 19.57 (0.01)
r magnitude 19.52 (0.02) 19.53 (0.02) 19.52 (0.02)
i magnitude 19.56 (0.02) 19.57 (0.03) 19.56 (0.02)
z magnitude 19.38 (0.07) 19.38 (0.07) 19.38 (0.07)
G magnitude 19.46 (0.04) 19.49 19.46 19.46 (0.004)
BP magnitude 19.64 (0.04) 19.56
RP magnitude 19.17 (0.04) 19.18
Pan g magnitude 19.55 (0.01)
Pan r magnitude 19.48 (0.009)
Pan i magnitude 19.52 (0.01)
Pan z magnitude 19.59 (0.03)
Pan y magnitude 19.67 (0.03)
E(B-V) 0.018

* 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.