All names: WISEA J120321.70-094805.3, 2MASS J12032178-0948051, GALEX J120321.7-094806, Gaia DR3 3581786022290774528, PG 1200-095, HE 1200-0931, Gaia DR2 3581786022290774528, WISE J120321.71-094805.2, HE1200-0931, UCAC4 401-053096, TIC 152801009
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 03 21.76 | 12 03 21.72 (0.05) | ||
| Declination | -09 48 06.59 | -09 48 05.44 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 33419.0 (500) | ||
| log(g) | [cgs] | 5.78 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.50 (0.08) | 0.40 (0.06) | |
| Distance | [pc] | 2006.02 (318) | 2527.81 (382) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.405 (0.2) | -8.183 (0.07) | |
| Proper motion (declination) | [mas/yr] | -1.338 (0.1) | -1.35 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.31 (0.1) | |||
| V magnitude | 16.43 (0.06) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.07 (0.08) | 16.07 (0.08) | ||
| H magnitude | 15.86 (0.1) | 15.86 (0.1) | ||
| K magnitude | 15.54 (0.2) | 15.54 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.38 (0.002) | 16.35 (0.003) | ||
| BP magnitude | 16.24 (0.008) | |||
| RP magnitude | 16.44 (0.005) | |||
| Pan g magnitude | 16.25 (0.005) | |||
| Pan r magnitude | 16.56 (0.003) | |||
| Pan i magnitude | 16.78 (0.004) | |||
| Pan z magnitude | 16.93 (0.004) | |||
| Pan y magnitude | 16.98 (0.007) | |||
| E(B-V) | 0.038 | |||
* 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.