SDSS J153848.24+025012.2

All names: Gaia DR3 4424115141525382400, SDSS J153848.23+025012.2, Gaia EDR3 4424115141525382400, GALEX J153848.2+025013, SDSS J153848.24+025012.2, Gaia DR2 4424115141525382400

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 15 38 48.26 (0.2) 15 38 48.26 15 38 48.24 (0.2)
Declination 02 50 12.33 (0.1) 02 50 12.33 02 50 12.35 (0.1)
Spectral type DA: DB
Effective temperature [K] 12004.0 (630)
log(g) [cgs] 8.17 (0.07)
Mass [M☉] 0.707 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.21 (0.2) 4.21 4.21 (0.2)
Distance [pc] 237.47 (12) 237.47 237.47 (12)
Composition
Proper motion (right ascension) [mas/yr] 15.049 (0.2) 15.049 (0.2)
Proper motion (declination) [mas/yr] -1.572 (0.2) -1.572 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.79 (0.02)
g magnitude 18.70 (0.008)
r magnitude 18.82 (0.01)
i magnitude 18.93 (0.02)
z magnitude 19.05 (0.06)
G magnitude 18.84 (0.003) 18.84 18.84 (0.003)
BP magnitude 18.88 (0.03)
RP magnitude 18.88 (0.03)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.039

* 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.