All names: uvby98 610162726, Gaia DR3 2740874650284753792, CHSS 3153, PG 0009+036, 2MASS J00122776+0354316, LAMOSTJ001227.76+035431.7, UCAC2 32981957, TIC 58720736, PPMX J001227.7+035431, [TFW97] J001227.77+035431.60, SDSS J001227.75+035431.8, PHL 2726, USNO-A2.0 0900-00048872, LAMOST J001227.76+035431.7, Gaia DR2 2740874650284753792, PB 5795
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 12 27.76 | 00 12 27.76 (0.03) | ||
| Declination | 03 54 31.70 | 03 54 31.75 (0.02) | ||
| Spectral type | sdB+MS | sdB2VIIpHe4 | ||
| 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] | 0.03 (0.1) | 0.19 (0.03) | |
| Distance | [pc] | 34129.69 (129879) | 5219.21 (836) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.449 (0.2) | -1.836 (0.04) | |
| Proper motion (declination) | [mas/yr] | 8.279 (0.1) | 8.157 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.06 (0.07) | |||
| V magnitude | 13.13 (0.01) | |||
| R magnitude | 13.42 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.36 (0.02) | |||
| H magnitude | 13.43 (0.04) | |||
| K magnitude | 13.47 (0.04) | |||
| u magnitude | 14.28 (0.004) | 14.28 (0.004) | ||
| g magnitude | 13.59 (0.003) | 13.59 (0.003) | ||
| r magnitude | 13.48 (0.002) | 13.48 (0.002) | ||
| i magnitude | 16.08 (0.01) | 16.08 (0.01) | ||
| z magnitude | 13.90 (0.004) | 13.90 (0.004) | ||
| G magnitude | 13.12 (0.0008) | 13.11 (0.003) | ||
| BP magnitude | 13.03 (0.003) | |||
| RP magnitude | 13.20 (0.001) | |||
| Pan g magnitude | 13.07 | |||
| Pan r magnitude | 13.34 | |||
| Pan i magnitude | 13.56 (0.004) | |||
| Pan z magnitude | 13.74 (0.002) | |||
| Pan y magnitude | 13.82 (0.004) | |||
| E(B-V) | 0.033 | |||
* 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.