All names: Gaia DR2 3271319569656254464, BPS CS 31087-0021, Gaia DR3 3271319569656540672, UCAC2 32648619, TIC 457168745, UCAC4 464-005358, PG0342+026, WISE J034534.55+024752.2, GSC 00068-00204, [TFW97] J034534.58+024753.04, UCAC3 186-11938, TYC 68-204-1, PG 0342+026, 2MASS J03453456+0247526
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 45 34.57 | 03 45 34.58 (0.04) | ||
| Declination | 02 47 52.80 | 02 47 52.71 (0.03) | ||
| Spectral type | sdB | sdB3VIIHe4 | ||
| Effective temperature | [K] | 26000.0 (1100) | ||
| log(g) | [cgs] | 5.59 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 6.13 (0.1) | 5.86 (0.05) | |
| Distance | [pc] | 163.07 (3) | 170.65 (1) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -21.428 (0.2) | -21.31 (0.05) | |
| Proper motion (declination) | [mas/yr] | -46.942 (0.2) | -46.84 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 10.84 (0.01) | |||
| V magnitude | 10.93 (0.05) | |||
| R magnitude | 11.19 (0.03) | |||
| I magnitude | ||||
| J magnitude | 11.29 (0.02) | 11.29 (0.02) | ||
| H magnitude | 11.39 (0.03) | 11.39 (0.03) | ||
| K magnitude | 11.48 (0.03) | 11.48 (0.03) | ||
| u magnitude | ||||
| g magnitude | 10.79 (0.02) | |||
| r magnitude | 11.10 (0.04) | |||
| i magnitude | 11.43 (0.05) | |||
| z magnitude | ||||
| G magnitude | 10.91 (0.002) | 10.93 (0.003) | ||
| BP magnitude | 10.81 (0.009) | |||
| RP magnitude | 11.07 (0.002) | |||
| Pan g magnitude | 10.83 (0.02) | |||
| Pan r magnitude | 11.08 (0.05) | |||
| Pan i magnitude | 11.36 (0.01) | |||
| Pan z magnitude | 12.96 (0.2) | |||
| Pan y magnitude | 11.83 (0.002) | |||
| E(B-V) | 0.080 | |||
* 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.