SDSS J223936.51+133816.5

All names: Gaia EDR3 2731927232679004032, Gaia DR2 2731927232679004032, Gaia DR3 2731927232679004032, SDSS J223936.51+133816.5, SDSS J223936.50+133816.5, GALEX J223936.4+133816

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 22 39 36.50 (0.5) 22 39 36.51 22 39 36.50 (0.7) 22 39 36.51 (0.5) 22 39 36.51
Declination 13 38 16.33 (0.5) 13 38 16.52 13 38 16.33 (0.9) 13 38 16.50 (0.5) 13 38 16.53
Spectral type DA DA DA DA
Effective temperature [K] 10446.0 12127.0 (330)
log(g) [cgs] 6.84 8.27 (0.1)
Mass [M] 0.194 0.763 (0.08)
log(Luminosity) [L]
Cooling age [Gyr]
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] 1.17 (0.5) 1.20 (0.8) 1.17 (0.5)
Distance [pc] 854.08 (385) 836.52 (540) 854.12 (385)
Composition H
Proper motion (right ascension) [mas/yr] -9.748233149 (0.6) -10.97619201 (1) -9.748 (0.6)
Proper motion (declination) [mas/yr] -10.67091184 (0.7) -12.92672112 (2) -10.671 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.35 (0.05) 20.42 (0.06) 20.42 (0.06)
g magnitude 19.89 (0.02) 19.93 (0.02) 19.93 (0.02)
r magnitude 20.11 (0.02) 20.08 (0.02) 20.08 (0.02)
i magnitude 20.24 (0.03) 20.30 (0.04) 20.30 (0.04)
z magnitude 20.41 (0.2) 20.59 (0.2) 20.59 (0.2)
G magnitude 20.02 (0.06) 20.08 20.02 (0.007)
BP magnitude 20.14 (0.06) 20.22
RP magnitude 19.99 (0.1) 20.22
Pan g magnitude 19.92 (0.01)
Pan r magnitude 20.04 (0.01)
Pan i magnitude 20.28 (0.01)
Pan z magnitude 20.47 (0.03)
Pan y magnitude 20.27 (0.2)
E(B-V) 0.060

* 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.