All names: Gaia DR2 3595172468983659776, TIC 902544510, uvby98 680115432, TIC 144306296, BPS BS 17449-0008, Gaia EDR3 3595172468983659776, 2MASS J11570365-0717300, UCAC4 414-053731, PG1154-070, Gaia DR3 3595172468983659776, PG 1154-070, UCAC2 29280323, GALEX J115703.6-071729
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 57 03.62 (0.08) | 11 57 03.61 | 11 57 03.62 (0.08) | ||
| Declination | -07 17 29.97 (0.06) | -07 17 29.97 | -07 17 29.96 (0.06) | ||
| Spectral type | sdB | sdB2VIIHe5 | |||
| Effective temperature | [K] | 28200.0 (1000) | |||
| log(g) | [cgs] | 5.58 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.57 (0.1) | 1.98 (0.2) | 1.57 (0.1) | |
| Distance | [pc] | 638.77 (48) | 504.41 (47) | 638.77 (48) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.436 (0.1) | 0.791 (0.3) | 1.436 (0.1) | |
| Proper motion (declination) | [mas/yr] | -0.884 (0.07) | -1.373 (0.1) | -0.884 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.22 (0.02) | ||||
| V magnitude | 14.37 (0.1) | ||||
| R magnitude | 14.74 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.46 (0.04) | 14.46 (0.04) | |||
| H magnitude | 14.12 (0.05) | 14.12 (0.05) | |||
| K magnitude | 14.21 (0.09) | 14.21 (0.09) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.33 (0.003) | 14.33 (0.0008) | 14.33 (0.003) | ||
| BP magnitude | 14.20 (0.003) | 14.16 (0.004) | |||
| RP magnitude | 14.43 (0.005) | 14.43 (0.003) | |||
| Pan g magnitude | 14.17 (0.005) | ||||
| Pan r magnitude | 14.52 (0.003) | ||||
| Pan i magnitude | 14.80 (0.01) | ||||
| Pan z magnitude | 15.06 (0.003) | ||||
| Pan y magnitude | 15.18 (0.02) | ||||
| E(B-V) | 0.031 | ||||
* 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.