All names: Gaia DR2 236173899353193472, SDSS J032036.27+395754.3, Gaia DR3 236173899353193472, UCAC4 650-014162, 2MASS J03203626+3957543, SDSSJ032036.27+395754.3, LAMOST J032036.26+395754.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 20 36.27 | 03 20 36.27 (0.02) | ||
| Declination | 39 57 54.35 | 39 57 54.34 (0.02) | ||
| Spectral type | sdB | sdB/sdO | ||
| Effective temperature | [K] | 23832.0 (108) | ||
| log(g) | [cgs] | 5.20 (0) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.41 (0.06) | 0.55 (0.03) | |
| Distance | [pc] | 2455.80 (365) | 1824.82 (112) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.895 (0.1) | 3.976 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.17 (0.09) | -1.283 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.68 (0.02) | |||
| V magnitude | 14.70 (0.04) | |||
| R magnitude | 15.02 (0.2) | |||
| I magnitude | ||||
| J magnitude | 14.67 (0.04) | 14.67 (0.04) | ||
| H magnitude | 14.71 (0.07) | 14.71 (0.07) | ||
| K magnitude | 14.57 (0.09) | 14.57 (0.09) | ||
| u magnitude | 14.89 (0.005) | 14.89 (0.005) | ||
| g magnitude | 14.54 (0.004) | 14.54 (0.01) | ||
| r magnitude | 14.73 (0.005) | 14.79 (0.02) | ||
| i magnitude | 14.92 (0.005) | 14.87 (0.1) | ||
| z magnitude | 15.12 (0.006) | 15.12 (0.006) | ||
| G magnitude | 14.64 (0.0005) | 14.62 (0.003) | ||
| BP magnitude | 14.61 (0.005) | |||
| RP magnitude | 14.61 (0.001) | |||
| Pan g magnitude | 14.58 (0.004) | |||
| Pan r magnitude | 14.77 (0.002) | |||
| Pan i magnitude | 14.98 (0.007) | |||
| Pan z magnitude | 15.12 (0.004) | |||
| Pan y magnitude | 15.21 (0.006) | |||
| E(B-V) | 0.208 | |||
* 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.