WD 1304+313

All names: US 287, WD 1304+313, SDSS J130700.15+310223.8, OMHR J130700.12+310224.9, CSO 819, WDS J13070+3102AB, OMHR 86492, PB 3322, WISE J130700.18+310224.2, KUV 13046+3118, 2MASS J13070016+3102242, TIC 165993959, SDSS J130700.15+310223.7, GALEX J130700.0+310222, [BCF91] 668, ** SKF 2851, [S78c] SA 57 17, USNO-B1.0 1210-00206170, SDSS J130700.16+310223.8

Parameter Unit Pan-STARRS DR1 SDSS DR12 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 13 07 00.15 13 07 00.17 (430) 13 07 00.31
Declination 31 02 23.80 31 02 24.21 (240) 31 02 22.92
Spectral type sdB DA
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 14.0 (3)
Proper motion (declination) [mas/yr] -20.0 (5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.60
V magnitude
R magnitude 17.70
I magnitude
J magnitude 16.63 (0.1)
H magnitude
K magnitude
u magnitude 18.22 (0.01) 18.22 (0.01)
g magnitude 17.81 (0.006) 17.81 (0.006)
r magnitude 17.83 (0.006) 17.83 (0.006)
i magnitude 17.81 (0.007) 17.81 (0.007)
z magnitude 17.84 (0.02) 17.84 (0.02)
G magnitude
BP magnitude
RP magnitude
Pan g magnitude 17.93 (0.01)
Pan r magnitude 17.91 (0.01)
Pan i magnitude 17.90 (0.007)
Pan z magnitude 17.95 (0.005)
Pan y magnitude 17.91 (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.