All names: 2MASS J01032786+3240335, WISE J010327.84+324033.5, LAMOST J010327.87+324033.4, Gaia DR2 314344331362996736, SDSSJ010327.84+324033.4, Gaia DR3 314344331362996736, LAMOST J010327.84+324033.5, LAMOST J010327.86+324033.5, SDSS J010327.84+324033.4, GALEX J010327.7+324034, UCAC4 614-002983
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 03 27.86 | 01 03 27.86 (0.03) | ||
| Declination | 32 40 33.55 | 32 40 33.56 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| Effective temperature | [K] | 37490.0 (1030) | ||
| log(g) | [cgs] | 5.43 (0.08) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.09 (0.06) | 0.86 (0.04) | |
| Distance | [pc] | 916.93 (54) | 1167.00 (56) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -10.421 (0.09) | -9.942 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.896 (0.08) | -7.633 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.43 (0.08) | |||
| V magnitude | 14.46 (0.07) | |||
| R magnitude | 14.52 (0.08) | |||
| I magnitude | ||||
| J magnitude | 13.99 (0.02) | 13.99 (0.02) | ||
| H magnitude | 13.76 (0.03) | 13.76 (0.03) | ||
| K magnitude | 13.66 (0.04) | 13.66 (0.04) | ||
| u magnitude | 14.26 (0.004) | 14.26 (0.004) | ||
| g magnitude | 14.34 (0.003) | 14.37 (0.02) | ||
| r magnitude | 14.49 (0.003) | 14.51 (0.04) | ||
| i magnitude | 14.59 (0.004) | 14.56 (0.08) | ||
| z magnitude | 14.66 (0.005) | 14.66 (0.005) | ||
| G magnitude | 14.37 (0.0008) | 14.35 (0.003) | ||
| BP magnitude | 14.36 (0.009) | |||
| RP magnitude | 14.26 (0.002) | |||
| Pan g magnitude | 14.37 (0.004) | |||
| Pan r magnitude | 14.51 (0.003) | |||
| Pan i magnitude | 14.61 (0.003) | |||
| Pan z magnitude | 14.69 (0.002) | |||
| Pan y magnitude | 14.74 (0.003) | |||
| E(B-V) | 0.046 | |||
* 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.