SB 7

All names: GD 1289, TIC 117626475, 2MASS J00032442-1621062, GALEX J000324.3-162104, BPS CS 31060-0057, CSI-16-00008, SB 7, MCT 0000-1637, uvby98 620021007, Gaia DR2 2415007505781366528, EC 00008-1637, BPS CS 29517-0041, Gaia DR3 2415007505781366528, MCT0000-1637

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 00 03 24.37 00 03 24.44 (0.05)
Declination -16 21 06.33 -16 21 06.39 (0.03)
Spectral type sdB+F/G sdBHe0+F/G
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] 1.04 (0.07) 1.16 (0.05)
Distance [pc] 958.96 (66) 864.23 (38)
Composition
Proper motion (right ascension) [mas/yr] 17.465 (0.1) 17.442 (0.07)
Proper motion (declination) [mas/yr] 0.568 (0.09) -0.176 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.60
V magnitude 12.70
R magnitude
I magnitude
J magnitude 12.69 (0.03) 12.69 (0.03)
H magnitude 12.62 (0.03) 12.62 (0.03)
K magnitude 12.60 (0.03) 12.60 (0.03)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.60 (0.0005) 12.58 (0.003)
BP magnitude 12.48 (0.005)
RP magnitude 12.67 (0.001)
Pan g magnitude 12.96
Pan r magnitude 13.07
Pan i magnitude 13.20
Pan z magnitude 13.20 (0.003)
Pan y magnitude 13.30 (0.004)
E(B-V) 0.014

* 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.