All names: 2MASS J03060848-1431522, TIC 441499030, UCAC4 378-003537, WISE J030608.48-143152.1, PB 9477, Gaia DR3 5155725991054381952, EC03037-1443, GALEX J030608.5-143151, EC 03037-1443, Gaia DR2 5155725991054381952, PHL 1466
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 06 08.45 | 03 06 08.49 (0.04) | ||
| Declination | -14 31 51.71 | -14 31 52.15 (0.04) | ||
| Spectral type | He-sdO | sdOHe | ||
| 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] | 0.24 (0.06) | 0.27 (0.04) | |
| Distance | [pc] | 4084.97 (1031) | 3750.94 (611) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.446 (0.1) | -0.436 (0.05) | |
| Proper motion (declination) | [mas/yr] | -7.401 (0.1) | -7.364 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.38 (0.01) | |||
| V magnitude | 15.60 (0.04) | |||
| R magnitude | 15.70 (0.07) | |||
| I magnitude | ||||
| J magnitude | 16.21 (0.08) | 16.21 (0.08) | ||
| H magnitude | 16.18 (0.2) | 16.18 (0.2) | ||
| K magnitude | 15.81 | |||
| u magnitude | ||||
| g magnitude | 15.38 (0.02) | |||
| r magnitude | 15.84 (0.04) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.57 (0.001) | 15.55 (0.003) | ||
| BP magnitude | 15.34 (0.01) | |||
| RP magnitude | 15.85 (0.007) | |||
| Pan g magnitude | 15.40 (0.003) | |||
| Pan r magnitude | 15.81 (0.005) | |||
| Pan i magnitude | 16.19 (0.003) | |||
| Pan z magnitude | 16.45 (0.008) | |||
| Pan y magnitude | 16.64 (0.005) | |||
| E(B-V) | 0.035 | |||
* 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.