All names: Gaia DR3 1142767759538804608, TIC 141620982, HS0707+8225, FBS 0707+824, 2MASS J07182352+8220037, FBS B 1051, HS 0707+8225, GALEX J071823.3+822003, Gaia DR2 1142767759538804608
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 07 18 23.47 | 07 18 23.47 (0.03) | ||
Declination | 82 20 03.67 | 82 20 03.80 (0.03) | ||
Spectral type | sdB | sdB | ||
Effective temperature | [K] | 27800.0 (1000) | ||
log(g) | [cgs] | 5.30 (0.2) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.63 (0.05) | 0.58 (0.03) | |
Distance | [pc] | 1596.42 (121) | 1719.99 (99) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 1.559 (0.07) | 1.469 (0.04) | |
Proper motion (declination) | [mas/yr] | 1.528 (0.08) | 1.454 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.84 (0.07) | 15.84 (0.07) | ||
H magnitude | 15.85 (0.1) | 15.85 (0.1) | ||
K magnitude | 15.85 (0.3) | 15.85 (0.3) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.27 (0.0008) | 15.25 (0.003) | ||
BP magnitude | 15.10 (0.008) | |||
RP magnitude | 15.51 (0.003) | |||
Pan g magnitude | 15.13 (0.004) | |||
Pan r magnitude | 15.49 (0.003) | |||
Pan i magnitude | 15.83 (0.002) | |||
Pan z magnitude | 16.09 (0.004) | |||
Pan y magnitude | 16.26 (0.003) | |||
E(B-V) | 0.042 |
* 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.