SDSS J150307.11+121832.6

All names: SDSS J150307.11+121832.6, Gaia EDR3 1180906759889378176, Gaia DR3 1180906759889378176, SDSS J150307.11+121832.62, GALEX J150307.1+121832, Gaia DR2 1180906755597489408, SDSSJ150307.11+121832.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 15 03 07.11 (0.2) 15 03 07.11 15 03 07.11 15 03 07.11 (0.3) 15 03 07.11 (0.2)
Declination 12 18 32.54 (0.2) 12 18 32.62 12 18 32.60 12 18 32.54 (0.2) 12 18 32.59 (0.2)
Spectral type He-sdOB He-sdB He-sdB He-sdB sdBHe
Effective temperature [K] 40264.0 (2000) 24180.0 29781.0 37809.0 (681)
log(g) [cgs] 5.81 (0.2) 5.58 5.99 5.52 (0.09)
Mass [M☉] 0.069 0.135
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.09 (0.2) 0.42 (0.3) 0.42 (0.3) 0.09 (0.2)
Distance [pc] 11105.67 (25626) 2357.93 (1537) 2357.76 (1537) 11111.11 (25654)
Composition
Proper motion (right ascension) [mas/yr] -2.290234778 (0.2) -1.597 (0.5) -1.597279526 (0.5) -2.29 (0.2)
Proper motion (declination) [mas/yr] -2.991805011 (0.2) -2.659 (0.5) -2.658650066 (0.5) -2.992 (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 18.07 (0.01) 18.07 (0.01) 18.08 (0.02) 18.07 (0.01)
g magnitude 18.39 (0.007) 18.39 (0.007) 18.41 (0.01) 18.39 (0.007)
r magnitude 18.89 (0.01) 18.89 (0.01) 18.91 (0.02) 18.89 (0.01)
i magnitude 19.24 (0.02) 19.24 (0.02) 19.26 (0.02) 19.24 (0.02)
z magnitude 19.47 (0.06) 19.47 (0.06) 19.49 (0.07) 19.47 (0.06)
G magnitude 18.67 (0.03) 18.69 (0.003) 18.69 18.67 (0.004)
BP magnitude 18.58 (0.03) 18.49 (0.02) 18.49
RP magnitude 18.97 (0.04) 18.93 (0.03) 18.93
Pan g magnitude 18.48 (0.008) 18.48 (0.008)
Pan r magnitude 18.90 (0.003) 18.90 (0.003)
Pan i magnitude 19.27 (0.01) 19.27 (0.01)
Pan z magnitude 19.51 (0.01) 19.51 (0.01)
Pan y magnitude 19.68 (0.06) 19.68 (0.06)
E(B-V) 0.028

* 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.