SDSS J122259.84+360851.8

All names: Gaia EDR3 1531240675218494336, Gaia DR2 1531240675218494336, SDSS J122259.84+360851.8, GALEX J122259.8+360852, Gaia DR3 1531240675218494336, SDSS J122259.83+360851.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 22 59.86 (0.3) 12 22 59.84 12 22 59.86 (0.5) 12 22 59.83 (0.3) 12 22 59.84
Declination 36 08 51.29 (0.2) 36 08 51.85 36 08 51.32 (0.3) 36 08 52.01 (0.2) 36 08 51.84
Spectral type DA DA DA DA
Effective temperature [K] 12950.0 13737.0 (700)
log(g) [cgs] 7.77 7.84 (0.2)
Mass [M] 0.483 0.529 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.2211
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] 1.57 (0.4) 1.92 (0.6) 1.57 (0.4)
Distance [pc] 638.24 (165) 519.98 (164) 638.24 (165)
Composition H
Proper motion (right ascension) [mas/yr] 17.58171421 (0.3) 17.9867222 (0.9) 17.582 (0.3)
Proper motion (declination) [mas/yr] -44.62085102 (0.3) -44.07666239 (0.6) -44.621 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.15 (0.05) 20.15 (0.04) 20.06 (0.05)
g magnitude 19.73 (0.01) 19.73 (0.01) 19.75 (0.03)
r magnitude 20.00 (0.02) 20.00 (0.02) 20.00 (0.03)
i magnitude 20.15 (0.03) 20.15 (0.03) 20.15 (0.04)
z magnitude 20.52 (0.1) 20.52 (0.1) 20.52 (0.1)
G magnitude 19.84 (0.05) 19.90 19.84 (0.004)
BP magnitude 19.83 (0.05) 19.86
RP magnitude 19.93 (0.09) 19.99
Pan g magnitude 19.74 (0.01)
Pan r magnitude 19.95 (0.007)
Pan i magnitude 20.19 (0.02)
Pan z magnitude 20.49 (0.04)
Pan y magnitude 19.60 (0.2)
E(B-V) 0.016

* 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.