SDSS J150139.43+312245.9

All names: SDSS J150139.43+312245.8, SDSS J150139.42+312245.8, GALEX J150139.4+312246, Gaia DR2 1288255030750998784, Gaia EDR3 1288255030750998784, SDSS J150139.43+312245.9, Gaia DR3 1288255030750998784

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 15 01 39.41 (0.1) 15 01 39.43 15 01 39.41 (0.2) 15 01 39.44 (0.1) 15 01 39.43
Declination 31 22 45.76 (0.2) 31 22 45.88 31 22 45.76 (0.3) 31 22 45.82 (0.2) 31 22 45.87
Spectral type DA DA DA DA
Effective temperature [K] 15013.0 17326.0 (411)
log(g) [cgs] 7.54 7.39 (0.1)
Mass [M] 0.39 0.394 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1021
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] 1.64 (0.3) 1.73 (0.4) 1.64 (0.3)
Distance [pc] 609.69 (103) 579.42 (128) 609.68 (103)
Composition H
Proper motion (right ascension) [mas/yr] -21.84119527 (0.2) -22.65062899 (0.4) -21.841 (0.2)
Proper motion (declination) [mas/yr] -3.771428617 (0.3) -4.610577983 (0.6) -3.771 (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 19.45 (0.02) 19.45 (0.02) 19.49 (0.04)
g magnitude 19.33 (0.01) 19.33 (0.01) 19.33 (0.02)
r magnitude 19.64 (0.01) 19.64 (0.01) 19.68 (0.02)
i magnitude 19.90 (0.03) 19.90 (0.03) 19.89 (0.03)
z magnitude 20.14 (0.1) 20.14 (0.1) 19.97 (0.1)
G magnitude 19.49 (0.03) 19.53 19.49 (0.004)
BP magnitude 19.48 (0.03) 19.35
RP magnitude 19.76 (0.06) 19.57
Pan g magnitude 19.31 (0.01)
Pan r magnitude 19.65 (0.01)
Pan i magnitude 19.95 (0.01)
Pan z magnitude 20.12 (0.04)
Pan y magnitude 20.26 (0)
E(B-V) 0.026

* 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.