All names: UCAC2 25985306, 2MASS J09150818-1554375, GALEXJ09151-1554, UCAC4 371-054460, TIC 307934757, Gaia EDR3 5731011051894375296, Gaia DR2 5731011051894375296, DENIS J091508.2-155437, Gaia DR3 5731011051894375296, GALEX J091508.1-155438
| 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.