SDSS J150659.96+303545.9

All names: Gaia DR2 1276109103755839104, SDSS J150659.96+303545.92, SDSS J150659.96+303545.9, GALEX J150700.0+303542, SDSS J150659.95+303545.9, GALEX J150659.9+303545, Gaia DR3 1276109103755839104, Gaia EDR3 1276109103755839104

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 15 06 59.94 (0.5) 15 06 59.96 15 06 59.94 (0.7) 15 06 59.97 (0.5)
Declination 30 35 46.18 (0.6) 30 35 45.93 30 35 46.17 (0.7) 30 35 45.83 (0.6)
Spectral type DA DA DA DA
Effective temperature [K] 8636.0 9957.0 (120)
log(g) [cgs] 7.61 8.12 (0.1)
Mass [M] 0.396 0.6679999999999999 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.5684
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] 1.44 (0.8) 1.97 (0.9) 1.44 (0.8)
Distance [pc] 696.52 (381) 507.93 (233) 696.52 (381)
Composition H
Proper motion (right ascension) [mas/yr] -17.98712116 (0.7) -16.50779617 (1) -17.987 (0.7)
Proper motion (declination) [mas/yr] 21.77395658 (0.9) 21.91987288 (1) 21.774 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.14 (0.07) 21.15 (0.07) 21.15 (0.07)
g magnitude 20.72 (0.02) 20.74 (0.03) 20.74 (0.03)
r magnitude 20.85 (0.03) 20.87 (0.03) 20.87 (0.03)
i magnitude 20.90 (0.05) 20.89 (0.05) 20.89 (0.05)
z magnitude 20.86 (0.2) 20.87 (0.1) 20.87 (0.1)
G magnitude 20.75 (0.08) 20.82 20.75 (0.007)
BP magnitude 20.69 (0.08) 20.91
RP magnitude 20.33 (0.08) 20.62
Pan g magnitude 20.81 (0.02)
Pan r magnitude 20.79 (0.05)
Pan i magnitude 20.90 (0.02)
Pan z magnitude 20.81 (0.1)
Pan y magnitude
E(B-V) 0.029

* 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.