All names: GALEX J091508.1-155438, UCAC2 25985306, DENIS J091508.2-155437, 2MASS J09150818-1554375, Gaia EDR3 5731011051894375296, Gaia DR2 5731011051894375296, GALEXJ09151-1554, TIC 307934757, UCAC4 371-054460, Gaia DR3 5731011051894375296
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 15 08.20 (0.03) | 09 15 08.15 | 09 15 08.20 (0.03) | ||
| Declination | -15 54 37.66 (0.02) | -15 54 38.11 | -15 54 37.55 (0.02) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.89 (0.04) | 0.89 (0.07) | 0.89 (0.04) | |
| Distance | [pc] | 1124.99 (53) | 1120.70 (93) | 1124.99 (53) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.986 (0.04) | 3.849 (0.1) | 3.986 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.122 (0.03) | -7.137 (0.1) | -7.122 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.39 (0.04) | ||||
| V magnitude | 14.55 (0.01) | ||||
| R magnitude | 14.84 (0.1) | ||||
| I magnitude | 14.73 (0.03) | ||||
| J magnitude | 15.02 (0.03) | 15.02 (0.03) | |||
| H magnitude | 15.21 (0.1) | 15.21 (0.1) | |||
| K magnitude | 15.15 (0.2) | 15.15 (0.2) | |||
| u magnitude | |||||
| g magnitude | 14.40 (0.1) | ||||
| r magnitude | 14.71 (0.06) | ||||
| i magnitude | 15.09 (0.09) | ||||
| z magnitude | |||||
| G magnitude | 14.50 (0.003) | 14.52 (0.0005) | 14.50 (0.003) | ||
| BP magnitude | 14.39 (0.003) | 14.34 (0.006) | |||
| RP magnitude | 14.74 (0.004) | 14.74 (0.002) | |||
| Pan g magnitude | 14.35 (0.0008) | ||||
| Pan r magnitude | 14.75 (0.003) | ||||
| Pan i magnitude | 15.09 (0.002) | ||||
| Pan z magnitude | 15.35 (0.003) | ||||
| Pan y magnitude | 15.51 (0.005) | ||||
| E(B-V) | 0.058 | ||||
* 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.