SDSS J212420.56+013809.8

All names: SDSS J212420.56+013809.86, SDSS J212420.56+013809.8, Gaia DR3 2691361197849008256, Gaia DR2 2691361197849008256, Gaia EDR3 2691361197849008256

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Stilism Kepler et al. 2016 Simbad
Right ascension 21 24 20.55 (0.2) 21 24 20.56 21 24 20.55 (0.2)
Declination 01 38 09.92 (0.2) 01 38 09.85 01 38 09.99 (0.2)
Spectral type sdA sdA
Effective temperature [K] 7440.0 (43)
log(g) [cgs] 5.93 (0.2)
Mass [M☉] 0.15152 (0.0006)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.29 (0.2) 0.29 (0.2)
Distance [pc] 3435.39 (2939) 3435.25 (2938)
Composition
Proper motion (right ascension) [mas/yr] -0.466957649 (0.3) -0.467 (0.3)
Proper motion (declination) [mas/yr] -4.573343549 (0.2) -4.573 (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 20.08 (0.05) 20.11 (0.05) 20.11 (0.05)
g magnitude 19.22 (0.01) 19.26 (0.02) 19.26 (0.02)
r magnitude 19.09 (0.01) 19.23 (0.02) 19.23 (0.02)
i magnitude 18.98 (0.01) 19.06 (0.02) 19.06 (0.02)
z magnitude 18.98 (0.05) 19.06 (0.05) 19.06 (0.05)
G magnitude 19.07 (0.03) 19.07 (0.004)
BP magnitude 19.28 (0.03)
RP magnitude 18.79 (0.03)
Pan g magnitude 19.26 (0.007)
Pan r magnitude 19.09 (0.008)
Pan i magnitude 19.06 (0.007)
Pan z magnitude 19.09 (0.01)
Pan y magnitude 19.09 (0.04)
E(B-V) 0.036

* 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.