All names: RWT105, TIC 28502252, 2MASS J04311227+4259103, LAMOST J043112.25+425910.1, GEN# +6.20003105, Gaia DR3 252329740960393984, RL 105, Gaia EDR3 252329740960393984, Gaia DR2 252329740960393984
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 31 12.26 (0.07) | 04 31 12.34 | 04 31 12.27 (0.07) | ||
| Declination | 42 59 10.12 (0.05) | 42 59 10.52 | 42 59 10.33 (0.05) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 26690.0 (180) | |||
| log(g) | [cgs] | 5.63 (0.01) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.39 (0.08) | 1.67 (0.08) | 2.39 (0.08) | |
| Distance | [pc] | 418.78 (14) | 599.09 (29) | 418.78 (14) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -10.388 (0.09) | -7.036 (0.2) | -10.388 (0.09) | |
| Proper motion (declination) | [mas/yr] | -13.433 (0.08) | -13.743 (0.1) | -13.433 (0.08) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.64 | ||||
| V magnitude | 14.60 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.58 (0.04) | 14.58 (0.04) | |||
| H magnitude | 14.61 (0.05) | 14.61 (0.05) | |||
| K magnitude | 14.70 (0.07) | 14.70 (0.07) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.54 (0.003) | 14.56 (0.0005) | 14.54 (0.003) | ||
| BP magnitude | 14.55 (0.003) | 14.51 (0.01) | |||
| RP magnitude | 14.51 (0.004) | 14.51 (0.003) | |||
| Pan g magnitude | 14.54 (0.006) | ||||
| Pan r magnitude | 14.67 (0.003) | ||||
| Pan i magnitude | 14.84 (0.005) | ||||
| Pan z magnitude | 15.01 (0.003) | ||||
| Pan y magnitude | 15.11 (0.004) | ||||
| E(B-V) | 0.322 | ||||
* 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.