All names: SDSSJ075134.21+092554.7, Gaia DR3 3148758039302713984, GALEX J075134.2+092553, SDSS J075134.20+092554.7, Gaia EDR3 3148758039302713984, TIC 453211413, Gaia DR2 3148758039301785984, 2MASS J07513421+0925548
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 51 34.21 (0.04) | 07 51 34.21 | 07 51 34.21 (0.04) | ||
| Declination | 09 25 54.74 (0.03) | 09 25 54.70 | 09 25 54.69 (0.03) | ||
| Spectral type | sdB | sdB2He5 | |||
| Effective temperature | [K] | 26596.0 (1240) | |||
| log(g) | [cgs] | 5.20 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.57 (0.05) | 0.51 (0.07) | 0.57 (0.05) | |
| Distance | [pc] | 1743.68 (149) | 1956.56 (284) | 1743.68 (149) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.702 (0.06) | -4.686 (0.1) | -4.702 (0.06) | |
| Proper motion (declination) | [mas/yr] | 3.042 (0.03) | 3.127 (0.06) | 3.042 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.17 (0.1) | 16.17 (0.1) | |||
| H magnitude | 15.86 (0.2) | 15.86 (0.2) | |||
| K magnitude | 15.88 | ||||
| u magnitude | 14.98 (0.004) | 14.98 (0.004) | |||
| g magnitude | 15.15 (0.004) | 15.15 (0.004) | |||
| r magnitude | 15.66 (0.004) | 15.66 (0.004) | |||
| i magnitude | 15.98 (0.004) | 16.00 (0.009) | |||
| z magnitude | 16.33 (0.008) | 16.33 (0.008) | |||
| G magnitude | 15.44 (0.003) | 15.45 (0.0008) | 15.44 (0.003) | ||
| BP magnitude | 15.30 (0.004) | 15.23 (0.008) | |||
| RP magnitude | 15.70 (0.005) | 15.69 (0.003) | |||
| Pan g magnitude | 15.26 (0.003) | ||||
| Pan r magnitude | 15.69 (0.003) | ||||
| Pan i magnitude | 16.04 (0.001) | ||||
| Pan z magnitude | 16.32 (0.003) | ||||
| Pan y magnitude | 16.48 (0.007) | ||||
| E(B-V) | 0.029 | ||||
* 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.