SDSS J221535.16+024838.6

All names: SDSS J221535.16+024838.6, Gaia DR2 2682734017300574592, SDSS J221535.16+024838.66, Gaia DR3 2682734017300574592, Gaia EDR3 2682734017300574592

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 22 15 35.16 (0.4) 22 15 35.16 22 15 35.16 (0.5) 22 15 35.17 (0.4)
Declination 02 48 38.58 (0.5) 02 48 38.62 02 48 38.59 (0.8) 02 48 38.64 (0.5)
Spectral type sdA sdA
Effective temperature [K] 7626.0 (51)
log(g) [cgs] 5.69 (0.2)
Mass [M☉] 0.15072 (0.0005)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.50 (0.4) -1.52 (0.6)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -0.271038444 (0.5) 1.009381429 (1) -0.271 (0.5)
Proper motion (declination) [mas/yr] -3.339789376 (0.8) -3.304143439 (1) -3.34 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.52 (0.06) 20.52 (0.06) 20.52 (0.06)
g magnitude 19.69 (0.01) 19.71 (0.02) 19.71 (0.02)
r magnitude 19.46 (0.01) 19.48 (0.02) 19.48 (0.02)
i magnitude 19.45 (0.02) 19.46 (0.02) 19.46 (0.02)
z magnitude 19.34 (0.06) 19.35 (0.06) 19.35 (0.06)
G magnitude 19.50 (0.07) 19.51 19.50 (0.005)
BP magnitude 19.70 (0.07) 19.63
RP magnitude 19.28 (0.08) 19.04
Pan g magnitude 19.67 (0.01)
Pan r magnitude 19.47 (0.02)
Pan i magnitude 19.46 (0.006)
Pan z magnitude 19.47 (0.02)
Pan y magnitude 19.35 (0.08)
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.