All names: PPM 46191, 2MASS J03271772+4103445, UCAC4 656-015679, WISE J032717.72+410344.6, TIC 194781979, LAMOSTJ032717.71+410344.5, HD 275347, LAMOST J032717.71+410344.5, AG+40 400, TYC 2865-370-1, Gaia DR2 237650985848157312, GSC 02865-00370, Gaia DR3 237650990146549760, BD+40 751
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 27 17.72 | 03 27 17.72 (0.2) | ||
| Declination | 41 03 44.58 | 41 03 44.63 (0.2) | ||
| Spectral type | He-sdOB | sdB/sdO | ||
| Effective temperature | [K] | 39802.0 (240) | ||
| log(g) | [cgs] | 5.82 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 7.83 (0.7) | 1.55 (0.2) | |
| Distance | [pc] | 127.77 (12) | 643.71 (100) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.538 (1) | -1.823 (0.3) | |
| Proper motion (declination) | [mas/yr] | 1.456 (1) | -4.555 (0.3) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 10.30 (0.06) | |||
| V magnitude | 10.19 (0.04) | |||
| R magnitude | 10.29 (0.01) | |||
| I magnitude | ||||
| J magnitude | 10.03 (0.02) | 10.03 (0.02) | ||
| H magnitude | 10.02 (0.02) | 10.02 (0.02) | ||
| K magnitude | 10.02 (0.02) | 10.02 (0.02) | ||
| u magnitude | 14.07 (0.02) | |||
| g magnitude | 10.31 (0) | 10.33 (0.02) | ||
| r magnitude | 10.32 (0) | 10.32 (0.08) | ||
| i magnitude | 13.63 (0.007) | 10.45 (0.07) | ||
| z magnitude | 10.85 (0.001) | |||
| G magnitude | 10.19 (0.002) | 10.31 (0.004) | ||
| BP magnitude | 10.23 (0.002) | |||
| RP magnitude | 10.11 (0.001) | |||
| Pan g magnitude | 10.08 | |||
| Pan r magnitude | 10.27 | |||
| Pan i magnitude | 10.45 | |||
| Pan z magnitude | 10.58 | |||
| Pan y magnitude | 10.66 | |||
| E(B-V) | 0.037 | |||
* 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.