All names: PHL 649, GALEX J000509.6-263148, Gaia DR3 2333936291513550336, Gaia EDR3 2333936291513550336, MCT0002-2648, TIC 12379252, UCAC4 318-000092, Gaia DR2 2333936291513550336, 2MASS J00050955-2631481, MCT 0002-2648, Ton S 138, HE 0002-2648, EC 00026-2648, BPS CS 29503-0004
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 05 09.57 (0.05) | 00 05 09.58 | 00 05 09.57 (0.05) | ||
| Declination | -26 31 48.18 (0.05) | -26 31 48.43 | -26 31 48.16 (0.05) | ||
| Spectral type | sdB | sdBHe1 | |||
| 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] | 0.46 (0.06) | 0.34 (0.07) | 0.46 (0.06) | |
| Distance | [pc] | 2167.79 (276) | 2898.55 (617) | 2167.79 (276) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.71 (0.05) | 1.731 (0.1) | 1.71 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.607 (0.05) | -1.386 (0.1) | -1.607 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.95 (0.05) | ||||
| V magnitude | 16.01 (0.2) | ||||
| R magnitude | 16.09 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.25 (0.1) | 16.25 (0.1) | |||
| H magnitude | 16.01 | 16.01 | |||
| K magnitude | 15.78 | ||||
| u magnitude | |||||
| g magnitude | 15.85 (0.01) | ||||
| r magnitude | 16.26 (0.08) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.99 (0.003) | 16.01 (0.002) | 15.99 (0.003) | ||
| BP magnitude | 15.87 (0.005) | 15.80 (0.01) | |||
| RP magnitude | 16.24 (0.008) | 16.23 (0.007) | |||
| Pan g magnitude | 15.84 (0.01) | ||||
| Pan r magnitude | 16.25 (0.004) | ||||
| Pan i magnitude | 16.58 (0.006) | ||||
| Pan z magnitude | 16.79 (0.005) | ||||
| Pan y magnitude | 16.99 (0.01) | ||||
| E(B-V) | 0.007 | ||||
* 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.