SDSS J152108.49+083742.6

All names: SDSS J152108.49+083742.64, Gaia DR3 1163968882046969856, Gaia DR2 1163968882046969856, Gaia EDR3 1163968882046969856, SDSS J152108.49+083742.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 15 21 08.49 (0.3) 15 21 08.49 15 21 08.49 (0.4) 15 21 08.50 (0.3)
Declination 08 37 42.49 (0.2) 08 37 42.64 08 37 42.49 (0.3) 08 37 42.62 (0.2)
Spectral type sdA sdA
Effective temperature [K] 6881.0 (66)
log(g) [cgs] 5.73 (0.2)
Mass [M☉] 0.14548 (0.0007)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.39 (0.3) -0.61 (0.4)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -2.215655148 (0.4) -1.892023913 (0.9) -2.216 (0.4)
Proper motion (declination) [mas/yr] -8.598954085 (0.3) -8.156159915 (0.7) -8.599 (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 20.49 (0.05) 20.51 (0.05) 20.51 (0.05)
g magnitude 19.60 (0.01) 19.63 (0.02) 19.63 (0.02)
r magnitude 19.44 (0.01) 19.50 (0.02) 19.50 (0.02)
i magnitude 19.39 (0.02) 19.46 (0.03) 19.46 (0.03)
z magnitude 19.26 (0.05) 19.30 (0.06) 19.30 (0.06)
G magnitude 19.37 (0.05) 19.39 19.37 (0.005)
BP magnitude 19.65 (0.05) 19.68
RP magnitude 18.99 (0.07) 19.09
Pan g magnitude 19.54 (0.01)
Pan r magnitude 19.38 (0.01)
Pan i magnitude 19.31 (0.009)
Pan z magnitude 19.30 (0.02)
Pan y magnitude 19.32 (0.02)
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.