All names: Gaia DR2 3186317459583337088, GALEX J045213.2-091634, GALEXJ04522-0916, UCAC4 404-006977, 2MASS J04521330-0916342, WISE J045213.29-091634.3, Gaia DR3 3186317459583337088, UCAC2 28486537, TIC 9358354, WISEA J045213.30-091634.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 52 13.22 | 04 52 13.30 (0.03) | ||
| Declination | -09 16 34.04 | -09 16 34.19 (0.02) | ||
| Spectral type | sdB | 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] | 1.01 (0.06) | 0.99 (0.03) | |
| Distance | [pc] | 992.75 (55) | 1012.66 (35) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.114 (0.09) | -2.165 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.303 (0.08) | -5.377 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.01 (0.01) | |||
| V magnitude | 14.16 (0.01) | |||
| R magnitude | 14.44 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.63 (0.03) | 14.63 (0.03) | ||
| H magnitude | 14.62 (0.05) | 14.62 (0.05) | ||
| K magnitude | 14.78 (0.1) | 14.78 (0.1) | ||
| u magnitude | ||||
| g magnitude | 13.97 (0.01) | |||
| r magnitude | 14.37 (0.03) | |||
| i magnitude | 14.64 (0.08) | |||
| z magnitude | ||||
| G magnitude | 14.14 (0.0006) | 14.12 (0.003) | ||
| BP magnitude | 13.95 (0.008) | |||
| RP magnitude | 14.34 (0.003) | |||
| Pan g magnitude | 13.99 (0.005) | |||
| Pan r magnitude | 14.36 (0.003) | |||
| Pan i magnitude | 14.68 (0.001) | |||
| Pan z magnitude | 14.95 (0.005) | |||
| Pan y magnitude | 15.11 (0.002) | |||
| E(B-V) | 0.039 | |||
* 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.