All names: LAMOST J003801.72+343156.2, Gaia DR2 365002268028633600, SDSS J003801.72+343156.2, LAMOSTJ003801.72+343156.2, FBS B 436, Gaia DR3 365002268028633600, FBS 0035+343, 2MASS J00380172+3431563, TIC 267650614
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 38 01.72 | 00 38 01.73 (0.02) | ||
| Declination | 34 31 56.21 | 34 31 56.27 (0.02) | ||
| Spectral type | He-sdOB | sdOBHe33 | ||
| Effective temperature | [K] | 43040.0 (225) | ||
| log(g) | [cgs] | 5.82 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.15 (0.04) | 1.10 (0.03) | |
| Distance | [pc] | 866.70 (32) | 912.74 (25) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.105 (0.09) | -2.127 (0.03) | |
| Proper motion (declination) | [mas/yr] | -4.157 (0.06) | -4.065 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.30 (0.03) | 14.30 (0.03) | ||
| H magnitude | 14.46 (0.05) | 14.46 (0.05) | ||
| K magnitude | 14.47 (0.08) | 14.47 (0.08) | ||
| u magnitude | 13.41 (0.003) | 13.52 (0.003) | ||
| g magnitude | 13.70 (0.003) | 13.68 (0.003) | ||
| r magnitude | 14.05 (0.003) | 14.07 (0.003) | ||
| i magnitude | 14.35 (0.003) | 14.32 (0.003) | ||
| z magnitude | 14.62 (0.004) | 14.61 (0.004) | ||
| G magnitude | 13.90 (0.0006) | 13.88 (0.003) | ||
| BP magnitude | 13.75 (0.006) | |||
| RP magnitude | 14.05 (0.002) | |||
| Pan g magnitude | 13.80 (0.009) | |||
| Pan r magnitude | 14.11 (0.006) | |||
| Pan i magnitude | 14.39 (0.001) | |||
| Pan z magnitude | 14.60 (0.001) | |||
| Pan y magnitude | 14.78 (0.003) | |||
| E(B-V) | 0.048 | |||
* 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.