SDSS J130807.54+370216.2

All names: SDSS J130807.53+370216.2, SDSS J130807.54+370216.2, Gaia DR3 1522445750427326208, SDSS J130807.54+370216.26, Gaia DR2 1522445750427326208, SDSS J130807.53+370216.1, Gaia EDR3 1522445750427326208

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 13 08 07.47 (0.4) 13 08 07.54 13 08 07.47 (0.6) 13 08 07.56 (0.4)
Declination 37 02 16.30 (0.3) 37 02 16.26 37 02 16.30 (0.4) 37 02 16.17 (0.3)
Spectral type DA DA DA DA
Effective temperature [K] 9234.0 9116.0 (119)
log(g) [cgs] 8.69 8.55 (0.1)
Mass [M] 1.035 0.935 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 2.4780
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] 4.25 (0.6) 4.31 (0.8) 4.25 (0.6)
Distance [pc] 235.31 (32) 232.09 (42) 235.32 (32)
Composition H
Proper motion (right ascension) [mas/yr] -69.87145434 (0.4) -67.04039881 (2) -69.871 (0.4)
Proper motion (declination) [mas/yr] 8.202761223 (0.5) 6.679476746 (1) 8.203 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.01 (0.07) 21.02 (0.07) 21.01 (0.07)
g magnitude 20.40 (0.02) 20.41 (0.02) 20.40 (0.02)
r magnitude 20.48 (0.03) 20.47 (0.04) 20.48 (0.03)
i magnitude 20.49 (0.04) 20.47 (0.05) 20.49 (0.04)
z magnitude 20.47 (0.2) 20.46 (0.1) 20.48 (0.2)
G magnitude 20.39 (0.07) 20.47 20.39 (0.006)
BP magnitude 20.59 (0.07) 20.54
RP magnitude 20.21 (0.06) 20.16
Pan g magnitude 20.45 (0.01)
Pan r magnitude 20.49 (0.02)
Pan i magnitude 20.55 (0.03)
Pan z magnitude 20.71 (0.02)
Pan y magnitude 20.65 (0.1)
E(B-V) 0.014

* 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.