All names: TIC 114502553, UCAC2 23279350, KUV 00465-2139, GALEX J004859.6-212246, Gaia DR3 2349703391334814336, UCAC4 344-000928, 2MASS J00485952-2122451, Gaia DR2 2349703391334814336, EC 00465-2139, MCT 0046-2139, PHL 846, MCT0046-2139
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 48 59.51 | 00 48 59.54 (0.05) | ||
| Declination | -21 22 45.22 | -21 22 45.18 (0.04) | ||
| Spectral type | sdO | sdO6He2 | ||
| 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] | 0.40 (0.07) | 0.48 (0.06) | |
| Distance | [pc] | 2530.36 (458) | 2101.72 (284) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 18.24 (0.1) | 18.92 (0.07) | |
| Proper motion (declination) | [mas/yr] | -2.003 (0.07) | -2.291 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.57 (0.05) | |||
| V magnitude | 15.76 (0.01) | |||
| R magnitude | 16.16 (0.05) | |||
| I magnitude | ||||
| J magnitude | 16.05 (0.08) | 16.05 (0.08) | ||
| H magnitude | 15.63 (0.2) | 15.63 (0.2) | ||
| K magnitude | 15.96 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.75 (0.001) | 15.74 (0.003) | ||
| BP magnitude | 15.57 (0.008) | |||
| RP magnitude | 15.91 (0.003) | |||
| Pan g magnitude | 15.63 (0.002) | |||
| Pan r magnitude | 15.98 (0.003) | |||
| Pan i magnitude | 16.24 (0.002) | |||
| Pan z magnitude | 16.41 (0.003) | |||
| Pan y magnitude | 16.51 (0.005) | |||
| E(B-V) | 0.008 | |||
* 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.