SDSS J122304.64+360234.0

All names: SDSS J122304.64+360234.0, SDSS J122304.64+360233.9, GALEX J122304.7+360234, Gaia DR3 1531237754640718976, SDSS J122304.64+360234.04, SDSS J122304.63+360234.0, SDSS J122304.64+360233.8, Gaia DR2 1531237754640718976, Gaia EDR3 1531237754640718976

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 12 23 04.62 (0.09) 12 23 04.65 12 23 04.62 (0.2) 12 23 04.62 12 23 04.66 (0.09)
Declination 36 02 34.18 (0.07) 36 02 33.89 36 02 34.17 (0.1) 36 02 34.18 36 02 33.75 (0.07)
Spectral type DA DA DA DA DA
Effective temperature [K] 13234.0 14682.0 (164) 13574.0 (469)
log(g) [cgs] 8.82 9.08 (0.02) 8.87 (0.03)
Mass [M] 1.114 1.198 (0.008) 1.136 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.2320
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] 9.67 (0.1) 9.45 (0.3) 9.67 9.67 (0.1)
Distance [pc] 103.38 (1) 105.85 (3) 103.38 103.38 (1)
Composition H
Proper motion (right ascension) [mas/yr] -24.07055438 (0.09) -24.18905024 (0.3) -24.071 (0.09)
Proper motion (declination) [mas/yr] 27.28010886 (0.1) 27.36867874 (0.2) 27.28 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.06 (0.01) 18.06 (0.03) 18.06 (0.01)
g magnitude 17.89 (0.006) 17.89 (0.03) 17.89 (0.006)
r magnitude 18.13 (0.007) 18.12 (0.01) 18.13 (0.007)
i magnitude 18.32 (0.01) 18.31 (0.02) 18.32 (0.01)
z magnitude 18.67 (0.04) 18.64 (0.04) 18.67 (0.04)
G magnitude 18.00 (0.01) 18.03 18.00 18.00 (0.003)
BP magnitude 18.01 (0.01) 17.97
RP magnitude 18.05 (0.02) 18.05
Pan g magnitude 17.93 (0.005)
Pan r magnitude 18.10 (0.01)
Pan i magnitude 18.35 (0.008)
Pan z magnitude 18.58 (0.007)
Pan y magnitude 18.72 (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.