SDSS J163310.56+373554.7

All names: USNO-B1.0 1275-00304350, SDSS J163310.56+373554.7, [CSC85] 1631.4+3770, PSO J163310.557+373554.847, Gaia DR2 1331075236217803904, SDSS J163310.56+373554.78

Parameter Unit Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 16 33 10.55 (0.2) 16 33 10.56 16 33 10.56
Declination 37 35 54.78 (0.2) 37 35 54.79 37 35 54.79
Spectral type DAB DAB
Effective temperature [K] 34286.0 (443)
log(g) [cgs] 5.51 (0.08)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.31 (0.2)
Distance [pc] 3220.56 (2028)
Composition
Proper motion (right ascension) [mas/yr] -6.5378722783 (0.4) -4.0
Proper motion (declination) [mas/yr] 0.6754439641 (0.4) 1.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.20
V magnitude
R magnitude 19.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.28 (0.03) 18.28 (0.01) 18.28
g magnitude 18.62 (0.01) 18.59 (0.008) 18.59
r magnitude 19.09 (0.02) 19.06 (0.01) 19.06
i magnitude 19.41 (0.03) 19.37 (0.02) 19.37
z magnitude 19.62 (0.07) 19.60 (0.07) 19.61
G magnitude 18.86
BP magnitude 18.69
RP magnitude 19.05
Pan g magnitude 18.67 (0.006)
Pan r magnitude 19.07 (0.01)
Pan i magnitude 19.39 (0.01)
Pan z magnitude 19.59 (0.01)
Pan y magnitude 19.67 (0.06)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.