All names: 2MASS J10304308-1620369, Gaia DR2 3748738685350131456, UCAC2 25761331, TIC 334737945, UCAC4 369-058252, EC10282-1605, GALEX J103043.0-162036, EC 10282-1605, BPS BS 17582-0060, Gaia DR3 3748738685350131456
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 30 42.97 | 10 30 43.07 (0.02) | ||
| Declination | -16 20 39.05 | -16 20 36.84 (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] | 0.16 (0.06) | 0.14 (0.03) | |
| Distance | [pc] | 6273.53 (2527) | 7077.14 (1623) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.126 (0.09) | -6.104 (0.03) | |
| Proper motion (declination) | [mas/yr] | 2.823 (0.08) | 2.948 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.29 (0.03) | |||
| V magnitude | 13.33 (0.03) | |||
| R magnitude | 13.43 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.47 (0.03) | 13.47 (0.03) | ||
| H magnitude | 13.53 (0.03) | 13.53 (0.03) | ||
| K magnitude | 13.60 (0.05) | 13.60 (0.05) | ||
| u magnitude | ||||
| g magnitude | 13.22 (0.06) | |||
| r magnitude | 13.48 (0.05) | |||
| i magnitude | 13.71 (0.07) | |||
| z magnitude | ||||
| G magnitude | 13.29 (0.0008) | 13.27 (0.003) | ||
| BP magnitude | 13.21 (0.006) | |||
| RP magnitude | 13.36 (0.002) | |||
| Pan g magnitude | 12.98 | |||
| Pan r magnitude | 13.32 | |||
| Pan i magnitude | 13.74 (0.008) | |||
| Pan z magnitude | 13.90 (0.002) | |||
| Pan y magnitude | 13.99 (0.001) | |||
| E(B-V) | 0.039 | |||
* 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.