SDSS J120609.80+081323.7

All names: Gaia DR2 3898985433161867648, SDSS J120609.81+081323.7, Gaia EDR3 3898985433161867648, SDSS J120609.80+081323.6, SDSS J120609.83+081323.7, GALEX J120609.8+081323, SDSS J120609.80+081323.7, Gaia DR3 3898985433161867648, WD 1203+085

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 06 09.79 (0.2) 12 06 09.81 12 06 09.80 (0.3) 12 06 09.80 12 06 09.79 12 06 09.83 (0.2) 12 06 09.55 12 06 09.83
Declination 08 13 23.66 (0.2) 08 13 23.71 08 13 23.66 (0.2) 08 13 23.70 08 13 23.66 08 13 23.73 (0.2) 08 13 18.12 08 13 23.73
Spectral type DAH DA DA DAH DC DAP DAP3.9 DAH DC
Effective temperature [K] 15162.8 (998) 10562.0 13000.0 10551.0 (809) 10735.0 (247)
log(g) [cgs] 8.80 (0.3) 8.50 8.00 (0) 8.46 (0.1) 7.65 (0.4)
Mass [M] 1.103175618095387 (0.3) 0.919 0.875 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 1.1740
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] 5.64 (0.3) 5.47 (0.3) 5.64 5.64 (0.3)
Distance [pc] 177.27 (8) 182.91 (11) 177.27 177.27 (8)
Composition H H
Proper motion (right ascension) [mas/yr] -37.29110362 (0.3) -37.17168163 (0.7) -37.291 (0.3)
Proper motion (declination) [mas/yr] -4.317567051 (0.2) -4.070876604 (0.3) -4.318 (0.2)
Variability
Magnetic yes yes yes yes
Bd [MG] 180.5379924812394 760.63 (282) 760.63 (282)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.25 (0.03) 19.25 (0.03) 19.27 19.27 (0.03)
g magnitude 19.05 (0.01) 19.05 (0.01) 19.04 19.03 (0.03)
r magnitude 19.19 (0.01) 19.19 (0.01) 19.22 19.22 (0.02)
i magnitude 19.35 (0.02) 19.35 (0.02) 19.42 19.41 (0.03)
z magnitude 19.52 (0.08) 19.52 (0.08) 19.58 19.58 (0.07)
G magnitude 19.10 (0.02) 19.13 19.10 19.10 (0.004)
BP magnitude 19.18 (0.02) 19.09
RP magnitude 19.08 (0.04) 18.99
Pan g magnitude 19.08 (0.01)
Pan r magnitude 19.20 (0.01)
Pan i magnitude 19.38 (0.009)
Pan z magnitude 19.55 (0.01)
Pan y magnitude 19.55 (0.04)
E(B-V) 0.015

* 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.