SDSS J123715.70+562535.5

All names: Gaia DR3 1571645356718555136, Gaia DR2 1571645356718555136, Gaia EDR3 1571645356718555136, SDSS J123715.68+562535.37, SDSS J123715.68+562535.3, SDSS J123715.69+562535.4, SDSS J123715.70+562535.5

Parameter Unit Gaia EDR3 SDSS DR12 Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 12 37 15.69 (0.1) 12 37 15.69 12 37 15.69 (0.2) 12 37 15.70 (0.1)
Declination 56 25 35.31 (0.2) 56 25 35.49 56 25 35.31 (0.2) 56 25 35.54 (0.2)
Spectral type DA+M DA
Effective temperature [K] 22674.0 (241)
log(g) [cgs] 7.72 (0.04)
Mass [M] 0.522 (0.007)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.22 (0.2) 2.50 (0.3) 2.22 (0.2)
Distance [pc] 450.07 (38) 400.03 (51) 450.07 (38)
Composition
Proper motion (right ascension) [mas/yr] -4.833711541 (0.2) -5.093028803 (0.5) -4.834 (0.2)
Proper motion (declination) [mas/yr] -14.46090186 (0.2) -15.42029118 (0.5) -14.461 (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 18.40 (0.01) 18.46 (0.02) 18.40 (0.01)
g magnitude 18.43 (0.007) 18.52 (0.02) 18.43 (0.007)
r magnitude 18.89 (0.01) 19.00 (0.1) 18.89 (0.01)
i magnitude 19.68 (0.03) 19.77 (0.9) 19.68 (0.03)
z magnitude 19.95 (0.1) 20.04 (1) 19.95 (0.1)
G magnitude 18.75 18.80 18.75 (0.004)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.018

* 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.