All names: 2MASS J03382159+4144045, LAMOST J033821.59+414404.5, GALEX J033821.5+414404, LAMOSTJ033821.59+414404.5, Gaia DR3 237331822538478592, SDSS J033821.59+414404.4, UCAC4 659-017354, Gaia DR2 237331822538478592, TIC 200936149
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 38 21.60 | 03 38 21.60 (0.03) | ||
| Declination | 41 44 04.59 | 41 44 04.53 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 28246.0 (154) | ||
| log(g) | [cgs] | 5.75 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.84 (0.05) | 1.00 (0.04) | |
| Distance | [pc] | 1189.48 (72) | 1003.61 (37) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.569 (0.1) | -0.524 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.174 (0.08) | -6.279 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 15.36 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.39 (0.04) | 15.39 (0.04) | ||
| H magnitude | 15.30 (0.08) | 15.30 (0.08) | ||
| K magnitude | 15.47 (0.2) | 15.47 (0.2) | ||
| u magnitude | 15.11 (0.005) | 15.11 (0.005) | ||
| g magnitude | 15.03 (0.004) | 15.03 (0.004) | ||
| r magnitude | 15.29 (0.004) | 15.29 (0.004) | ||
| i magnitude | 15.53 (0.004) | 15.53 (0.004) | ||
| z magnitude | 15.75 (0.006) | 15.75 (0.006) | ||
| G magnitude | 15.21 (0.0006) | 15.19 (0.003) | ||
| BP magnitude | 15.12 (0.005) | |||
| RP magnitude | 15.25 (0.003) | |||
| Pan g magnitude | 15.14 (0.002) | |||
| Pan r magnitude | 15.34 (0.003) | |||
| Pan i magnitude | 15.59 (0.004) | |||
| Pan z magnitude | 15.74 (0.004) | |||
| Pan y magnitude | 15.88 (0.01) | |||
| E(B-V) | 0.220 | |||
* 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.