SDSS J001256.91+183134.1

All names: SDSS J001256.91+183134.1, Gaia DR2 2797004920744691328, SDSS J001256.91+183134.13, SDSS J001256.90+183134.1, Gaia EDR3 2797004920744691328, Gaia DR3 2797004920744691328

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 00 12 56.90 (2) 00 12 56.90 00 12 56.90 (3) 00 12 56.90 (2)
Declination 18 31 34.22 (2) 18 31 34.13 18 31 34.22 (2) 18 31 34.22 (2)
Spectral type DA DA
Effective temperature [K] 8997.0 (145)
log(g) [cgs] 7.88 (0.2)
Mass [M☉] 0.422 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.67 (0.2) 21.53 (0.2) 21.53 (0.2)
g magnitude 20.81 (0.04) 20.80 (0.05) 20.80 (0.05)
r magnitude 20.91 (0.06) 20.89 (0.06) 20.89 (0.06)
i magnitude 20.96 (0.07) 20.94 (0.07) 20.94 (0.07)
z magnitude 20.98 (0.2) 20.99 (0.2) 20.99 (0.2)
G magnitude 20.81 (0.2) 20.93 20.81 (0.02)
BP magnitude 21.01 (0.2) 20.32
RP magnitude 20.69 (0.2) 20.54
Pan g magnitude 20.80 (0.03)
Pan r magnitude 20.86 (0.02)
Pan i magnitude 20.95 (0.02)
Pan z magnitude 21.04 (0.1)
Pan y magnitude 19.52 (0.2)
E(B-V)

* 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.