All names: Gaia DR3 40154478181532544, Gaia DR2 40154478181532544, LAMOST J040107.00+153545.9, SDSS J040107.00+153545.9, SDSS J040107.00+153546.2, SDSSJ040107.00+153546.2, UCAC4 528-007674, 2MASS J04010700+1535460, GALEX J040106.9+153546
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 01 07.00 | 04 01 07.01 (0.02) | ||
| Declination | 15 35 45.93 | 15 35 46.14 (0.01) | ||
| Spectral type | sd | sdOB+F5V | ||
| 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] | 0.97 (0.03) | 0.98 (0.02) | |
| Distance | [pc] | 1026.90 (32) | 1023.12 (23) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.123 (0.06) | -4.237 (0.02) | |
| Proper motion (declination) | [mas/yr] | -16.447 (0.04) | -16.408 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.98 (0.07) | |||
| V magnitude | 14.45 (0.03) | |||
| R magnitude | 14.55 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.13 (0.02) | 13.13 (0.02) | ||
| H magnitude | 12.87 (0.03) | 12.87 (0.03) | ||
| K magnitude | 12.81 (0.03) | 12.81 (0.03) | ||
| u magnitude | 15.51 (0.006) | 15.51 (0.006) | ||
| g magnitude | 14.96 (0.005) | 14.70 (0.04) | ||
| r magnitude | 14.28 (0.02) | |||
| i magnitude | 14.35 (0.005) | 14.06 (0.02) | ||
| z magnitude | 14.17 (0.005) | 14.17 (0.005) | ||
| G magnitude | 14.28 (0.0003) | 14.26 (0.003) | ||
| BP magnitude | 14.57 (0.002) | |||
| RP magnitude | 13.79 (0.001) | |||
| Pan g magnitude | 14.62 (0.003) | |||
| Pan r magnitude | 14.29 (0.002) | |||
| Pan i magnitude | 14.14 (0.003) | |||
| Pan z magnitude | 14.08 (0.003) | |||
| Pan y magnitude | 14.01 (0.002) | |||
| E(B-V) | 0.289 | |||
* 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.