All names: TIC 405248056, Gaia DR3 2776326474280672896, CHSS 3202, PG 0039+135, HIDDEN NAME PG 0039+134, [TFW97] J004216.58+134540.49, PG0039+134, GALEX J004216.7+134542, Gaia DR2 2776326474280672896, 2MASS J00421657+1345406
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 42 16.54 | 00 42 16.57 (0.03) | ||
| Declination | 13 45 40.55 | 13 45 40.49 (0.02) | ||
| Spectral type | sdOB | sdOC7VIIHe40 | ||
| 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] | 0.99 (0.07) | 1.00 (0.03) | |
| Distance | [pc] | 1005.33 (75) | 1002.61 (33) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.691 (0.1) | 1.762 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.779 (0.06) | -1.62 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.05 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.17 (0.03) | 14.17 (0.03) | ||
| H magnitude | 14.20 (0.05) | 14.20 (0.05) | ||
| K magnitude | 14.26 (0.06) | 14.26 (0.06) | ||
| u magnitude | 13.29 (0.003) | |||
| g magnitude | ||||
| r magnitude | 13.85 (0.003) | |||
| i magnitude | 14.14 (0.003) | |||
| z magnitude | 14.42 (0.004) | |||
| G magnitude | 13.67 (0.0004) | 13.65 (0.003) | ||
| BP magnitude | 13.49 (0.006) | |||
| RP magnitude | 13.84 (0.001) | |||
| Pan g magnitude | 13.52 (0.004) | |||
| Pan r magnitude | 13.88 (0.007) | |||
| Pan i magnitude | 14.18 (0.003) | |||
| Pan z magnitude | 14.42 (0.003) | |||
| Pan y magnitude | 14.57 (0.005) | |||
| E(B-V) | 0.058 | |||
* 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.