All names: Gaia DR2 3486707300467202304, EC 11583-2708, Gaia DR3 3486707300467202304, GALEX J120054.7-272445, V* V551 Hya, 2MASS J12005465-2724448, EC11583-2708, TIC 98871628
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 00 54.70 | 12 00 54.65 (0.02) | ||
| Declination | -27 24 45.25 | -27 24 44.95 (0.01) | ||
| Spectral type | sdBV+MS | 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] | 0.78 (0.04) | 0.83 (0.02) | |
| Distance | [pc] | 1279.75 (64) | 1211.53 (36) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.835 (0.06) | 1.853 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.831 (0.03) | -0.812 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.47 | |||
| V magnitude | 14.41 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.87 (0.02) | 13.87 (0.02) | ||
| H magnitude | 13.62 (0.05) | 13.62 (0.05) | ||
| K magnitude | 13.64 (0.04) | 13.64 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.34 (0.0004) | 14.32 (0.003) | ||
| BP magnitude | 14.36 (0.003) | |||
| RP magnitude | 14.18 (0.001) | |||
| Pan g magnitude | 14.37 (0.002) | |||
| Pan r magnitude | 14.44 (0.001) | |||
| Pan i magnitude | 14.52 (0.004) | |||
| Pan z magnitude | 14.60 (0.001) | |||
| Pan y magnitude | 14.62 (0.004) | |||
| E(B-V) | 0.030 | |||
* 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.