WD 1221-129

All names: OACDF J122429.3-131413, Gaia EDR3 3576083194778571008, USNO-B1.0 0767-00277471, Gaia DR3 3576083194778571008, Gaia DR2 3576083194778571008, GALEX J122429.3-131412, WD 1221-129

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 24 29.25 (0.3) 12 24 29.25 (0.5) 12 24 29.32 (0.3) 12 24 29.33
Declination -13 14 13.10 (0.3) -13 14 13.09 (0.4) -13 14 12.93 (0.3) -13 14 13.20
Spectral type DA DA DA4.7
Effective temperature [K] 10050.0
log(g) [cgs] 7.97
Mass [M☉] 0.584
log(Luminosity) [L☉]
Cooling age [Gyr] 0.5731
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] 2.92 (0.4) 3.32 (0.6) 2.92 (0.4)
Distance [pc] 342.04 (44) 301.29 (55) 342.04 (44)
Composition H
Proper motion (right ascension) [mas/yr] -67.56834675 (0.4) -67.35383866 (1) -67.568 (0.4)
Proper motion (declination) [mas/yr] -10.2146246 (0.3) -11.05608733 (0.7) -10.215 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.70
V magnitude 19.57 (0.04)
R magnitude 19.30
I magnitude 19.54 (0.06)
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.52 (0.04) 19.58 19.52 (0.005)
BP magnitude 19.54 (0.04) 19.60
RP magnitude 19.52 (0.06) 19.34
Pan g magnitude 19.50 (0.005)
Pan r magnitude 19.59 (0.01)
Pan i magnitude 19.75 (0.02)
Pan z magnitude 19.89 (0.02)
Pan y magnitude 19.85 (0.2)
E(B-V) 0.030

* 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.