All names: 2MASS J04293286-4731443, TIC 153835390, Gaia DR2 4789068103329323648, GALEX J042932.8-473145, EC04281-4738, EC 04281-4738, WISE J042932.88-473144.7, Gaia DR3 4789068103329323648, UCAC4 213-004632
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 29 32.91 | 04 29 32.89 (0.03) | ||
| Declination | -47 31 43.57 | -47 31 44.35 (0.03) | ||
| Spectral type | He-sdO | sdOC6.5VIIHe39 | ||
| 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] | 0.30 (0.05) | 0.33 (0.04) | |
| Distance | [pc] | 3298.15 (512) | 2988.64 (320) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.135 (0.09) | 7.012 (0.04) | |
| Proper motion (declination) | [mas/yr] | -9.091 (0.09) | -9.155 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.56 (0.01) | |||
| V magnitude | 15.84 (0.05) | |||
| R magnitude | 16.02 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.52 (0.1) | 16.52 (0.1) | ||
| H magnitude | 16.37 (0.2) | 16.37 (0.2) | ||
| K magnitude | 15.84 | |||
| u magnitude | ||||
| g magnitude | 15.55 (0.06) | |||
| r magnitude | 16.06 (0.05) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.80 (0.001) | 15.79 (0.003) | ||
| BP magnitude | 15.55 (0.01) | |||
| RP magnitude | 16.11 (0.005) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.011 | |||
* 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.