All names: FBS B 657, GALEX J073527.0+613244, GALEX J073527.0+613246, 2MASS J07352700+6132434, GALEXJ07354+6132, TIC 85210423, Gaia DR3 1086478463617600256, Gaia DR2 1086478463617600256, FBS 0730+617
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 07 35 27.00 | 07 35 27.00 (0.02) | ||
Declination | 61 32 44.53 | 61 32 43.38 (0.03) | ||
Spectral type | He-sdO | sdOHe | ||
Effective temperature | [K] | 48400.0 (1410) | ||
log(g) | [cgs] | 6.05 (0.2) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.95 (0.06) | 1.02 (0.04) | |
Distance | [pc] | 1048.77 (62) | 981.64 (40) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 1.994 (0.06) | 1.941 (0.03) | |
Proper motion (declination) | [mas/yr] | -6.399 (0.06) | -6.453 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 14.18 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.60 (0.03) | 14.60 (0.03) | ||
H magnitude | 14.80 (0.06) | 14.80 (0.06) | ||
K magnitude | 14.81 (0.1) | 14.81 (0.1) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 13.97 (0.0007) | 13.96 (0.003) | ||
BP magnitude | 13.77 (0.008) | |||
RP magnitude | 14.22 (0.002) | |||
Pan g magnitude | 13.79 (0.0007) | |||
Pan r magnitude | 14.20 (0.003) | |||
Pan i magnitude | 14.55 (0.002) | |||
Pan z magnitude | 14.82 (0.003) | |||
Pan y magnitude | 15.01 (0.005) | |||
E(B-V) | 0.054 |
* Constant surface field
Spectra without link are available upon request
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.