SDSS J121647.51+561119.8

All names: SDSS J121647.51+561119.8, SDSS J121647.51+561119.85, Gaia EDR3 1574414274889057792, Gaia DR2 1574414274889057792, Gaia DR3 1574414274889057792

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 12 16 47.50 (0.1) 12 16 47.51 12 16 47.50 (0.2) 12 16 47.51 (0.1)
Declination 56 11 19.53 (0.2) 56 11 19.58 56 11 19.53 (0.2) 56 11 19.63 (0.2)
Spectral type sdA sdA
Effective temperature [K] 6885.0 (61)
log(g) [cgs] 6.39 (0.2)
Mass [M☉] 0.15274 (0.006)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.30 (0.2) -0.63 (0.3)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -8.110896029 (0.2) -7.467099456 (0.4) -8.111 (0.2)
Proper motion (declination) [mas/yr] -6.30720597 (0.3) -6.131631983 (0.4) -6.307 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.35 (0.06) 20.31 (0.07) 20.31 (0.07)
g magnitude 19.45 (0.01) 19.45 (0.02) 19.45 (0.02)
r magnitude 19.16 (0.01) 19.16 (0.02) 19.16 (0.02)
i magnitude 19.09 (0.02) 19.09 (0.02) 19.09 (0.02)
z magnitude 19.02 (0.05) 19.00 (0.06) 19.00 (0.06)
G magnitude 19.16 (0.03) 19.20 19.16 (0.004)
BP magnitude 19.42 (0.03) 19.31
RP magnitude 18.73 (0.03) 18.79
Pan g magnitude 19.42 (0.01)
Pan r magnitude 19.19 (0.02)
Pan i magnitude 19.10 (0.008)
Pan z magnitude 19.12 (0.02)
Pan y magnitude 19.01 (0.04)
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.