All names: 2MASS J01505429+3107465, GALEXJ01509+3107, Gaia DR2 304311150320629376, LAMOST J015054.28+310746.7, GALEX J015054.4+310745, WISE J015054.29+310746.7, Gaia EDR3 304311150320629376, WISEA J015054.28+310746.6, UCAC4 606-004905, Gaia DR3 304311150320629376, TIC 22607728, PN G137.6-30.0, [FMP2006b] Fr 2-22
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 50 54.28 (0.03) | 01 50 54.31 | 01 50 54.29 (0.03) | ||
| Declination | 31 07 46.72 (0.03) | 31 07 49.79 | 31 07 46.69 (0.03) | ||
| Spectral type | sdB | sdBHe10 | |||
| Effective temperature | [K] | 28520.0 (270) | |||
| log(g) | [cgs] | 5.74 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.37 (0.04) | 1.27 (0.07) | 1.37 (0.04) | |
| Distance | [pc] | 729.24 (20) | 785.61 (43) | 729.24 (20) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.703 (0.04) | -3.822 (0.1) | -3.703 (0.04) | |
| Proper motion (declination) | [mas/yr] | 1.451 (0.04) | 1.315 (0.1) | 1.451 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.15 (0.04) | ||||
| V magnitude | 14.33 (0.07) | ||||
| R magnitude | 14.65 (0.06) | ||||
| I magnitude | |||||
| J magnitude | 14.83 (0.04) | 14.83 (0.04) | |||
| H magnitude | 14.96 (0.07) | 14.96 (0.07) | |||
| K magnitude | 15.12 (0.1) | 15.12 (0.1) | |||
| u magnitude | 14.03 (0.004) | ||||
| g magnitude | 14.12 (0.003) | 14.12 (0.01) | |||
| r magnitude | 14.54 (0.1) | ||||
| i magnitude | 14.87 (0.004) | ||||
| z magnitude | 15.07 (0.006) | ||||
| G magnitude | 14.31 (0.003) | 14.32 (0.0007) | 14.31 (0.003) | ||
| BP magnitude | 14.19 (0.003) | 14.16 (0.009) | |||
| RP magnitude | 14.53 (0.004) | 14.54 (0.003) | |||
| Pan g magnitude | 14.16 (0.005) | ||||
| Pan r magnitude | 14.54 (0.0009) | ||||
| Pan i magnitude | 14.87 (0.001) | ||||
| Pan z magnitude | 15.12 (0.004) | ||||
| Pan y magnitude | 15.30 (0.007) | ||||
| E(B-V) | 0.063 | ||||
* 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.