SDSS J135042.51+615223.3

All names: GALEX J135042.6+615223, SDSS J135042.51+615223.40, Gaia DR3 1664274577088272000, SDSS J135042.51+615223.4, Gaia DR2 1664274577088272000, SDSS J135042.51+615223.3, Gaia EDR3 1664274577088272000

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 50 42.50 (0.7) 13 50 42.52 13 50 42.50 (1) 13 50 42.51 (0.7) 13 50 42.51 13 50 42.51
Declination 61 52 23.33 (0.6) 61 52 23.41 61 52 23.34 (0.8) 61 52 23.42 (0.6) 61 52 23.33 61 52 23.40
Spectral type DB DB HeSDB: DB DA:
Effective temperature [K] 21566.0 16624.0 14572.0 16471.0 (786) 15536.0 (795)
log(g) [cgs] 9.70 8.50 8.36 8.14 (0.4) 7.98 (0.5)
Mass [M] 1.447 0.908 0.814 0.572 (0.3)
log(Luminosity) [L]
Cooling age [Gyr] 0.3953
log(H/He) -2
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 1.44 (0.7) 1.83 (0.9) 1.44 (0.7)
Distance [pc] 696.20 (348) 546.12 (271) 696.18 (348)
Composition He
Proper motion (right ascension) [mas/yr] -1.450706933 (1) -2.778874414 (2) -1.451 (1) 8.0
Proper motion (declination) [mas/yr] -5.154614922 (0.9) -5.952442194 (1) -5.155 (0.9) -11.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.42 (0.06) 20.43 (0.07) 20.46 (0.09) 20.44 (0.09)
g magnitude 20.47 (0.02) 20.48 (0.03) 20.51 (0.03) 20.51 (0.03)
r magnitude 20.72 (0.04) 20.75 (0.04) 20.77 (0.04) 20.77 (0.05)
i magnitude 21.08 (0.1) 21.07 (0.1) 21.09 (0.1) 21.10 (0.1)
z magnitude 21.26 (0.5) 21.20 (0.4) 21.26 (0.4) 21.28 (0.3)
G magnitude 20.66 (0.2) 20.73 20.66 (0.008)
BP magnitude 20.55 (0.2) 20.52
RP magnitude 20.52 (0.2) 20.73
Pan g magnitude 20.57 (0.03)
Pan r magnitude 20.82 (0.02)
Pan i magnitude 21.10 (0.04)
Pan z magnitude 21.14 (0.1)
Pan y magnitude
E(B-V) 0.018

* 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.