All names: LAMOST J091025.43+120827.0, TIC 321287961, SDSS J091025.43+120827.0, Gaia EDR3 604238612204857088, Gaia DR3 604238612204857088, Gaia DR2 604238612204857088, PG 0907+123, UCAC4 511-047995, V* LT Cnc, UCAC2 36115971, GALEX J091025.5+120828, LAMOST J091025.48+120828.2, 2MASS J09102544+1208270, PG0907+123
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 10 25.43 (0.03) | 09 10 25.45 | 09 10 25.43 (0.03) | ||
| Declination | 12 08 27.08 (0.03) | 12 08 27.16 | 12 08 27.08 (0.03) | ||
| Spectral type | sdB+WD | sdB2VIHe2 | |||
| Effective temperature | [K] | 26200.0 (900) | |||
| log(g) | [cgs] | 5.30 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.12 (0.04) | 0.98 (0.06) | 1.12 (0.04) | |
| Distance | [pc] | 892.54 (28) | 1024.49 (59) | 892.54 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.888 (0.04) | -5.701 (0.1) | -5.888 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.072 (0.04) | -0.003 (0.1) | 0.072 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.76 (0.06) | ||||
| V magnitude | 13.92 (0.05) | ||||
| R magnitude | 14.19 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.47 (0.03) | 14.47 (0.03) | |||
| H magnitude | 14.67 (0.07) | 14.67 (0.07) | |||
| K magnitude | 14.57 (0.07) | 14.57 (0.07) | |||
| u magnitude | 13.55 (0.003) | 13.55 (0.003) | |||
| g magnitude | 13.95 (0.009) | 13.95 (0.009) | |||
| r magnitude | 14.13 (0.004) | 14.13 (0.004) | |||
| i magnitude | 14.79 (0.008) | 14.79 (0.008) | |||
| z magnitude | 14.79 (0.004) | 14.79 (0.004) | |||
| G magnitude | 13.91 (0.003) | 13.93 (0.0006) | 13.91 (0.003) | ||
| BP magnitude | 13.79 (0.003) | 13.75 (0.005) | |||
| RP magnitude | 14.16 (0.004) | 14.17 (0.001) | |||
| Pan g magnitude | 13.76 (0.001) | ||||
| Pan r magnitude | 14.15 (0.003) | ||||
| Pan i magnitude | 14.53 (0.02) | ||||
| Pan z magnitude | 14.77 (0.006) | ||||
| Pan y magnitude | 14.93 (0.004) | ||||
| E(B-V) | 0.028 | ||||
* 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.