SDSS J102402.70+480851.1

All names: Gaia EDR3 834525820788839680, SDSS J102402.70+480851.1, Gaia DR2 834525820788839680, SDSS J102402.70+480851.11, ZTF19aavnxej, Gaia DR3 834525820788839680

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 10 24 02.70 (0.2) 10 24 02.70 10 24 02.70 (0.2) 10 24 02.70 (0.2)
Declination 48 08 51.01 (0.2) 48 08 51.11 48 08 51.01 (0.3) 48 08 51.14 (0.2)
Spectral type CV CV CV CV
Effective temperature [K] 8321.0 8432.0
log(g) [cgs] 7.31 7.30
Mass [M☉] 0.284 0.265
log(Luminosity) [L☉]
Cooling age [Gyr] 0.4947 0.5009
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.80 (0.3) 2.99 (0.4) 2.80 (0.3)
Distance [pc] 356.77 (32) 334.85 (40) 356.77 (32)
Composition
Proper motion (right ascension) [mas/yr] -1.61642561 (0.2) -1.772284328 (0.4) -1.616 (0.2)
Proper motion (declination) [mas/yr] -8.35195343 (0.2) -7.670884901 (0.6) -8.352 (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 19.61 (0.03) 19.60 (0.03) 19.61 (0.03)
g magnitude 19.51 (0.01) 19.51 (0.03) 19.51 (0.01)
r magnitude 19.54 (0.02) 19.55 (0.02) 19.54 (0.02)
i magnitude 19.55 (0.02) 19.56 (0.03) 19.55 (0.02)
z magnitude 19.33 (0.06) 19.32 (0.06) 19.32 (0.06)
G magnitude 19.43 (0.04) 19.44 19.43 (0.007)
BP magnitude 19.57 (0.04) 19.47
RP magnitude 19.07 (0.05) 19.06
Pan g magnitude 19.55 (0.009)
Pan r magnitude 19.61 (0.02)
Pan i magnitude 19.65 (0.01)
Pan z magnitude 19.35 (0.07)
Pan y magnitude 19.23 (0.1)
E(B-V) 0.019

* 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.