All names: GALEX J121252.6+335404, UCAC2 43620918, Gaia DR3 4028634144887638016, [SS59] II 94, UCAC4 620-048330, TIC 359055762, GSC 02529-00693, Gaia DR2 4028634144887638016, HZ 19, 2MASS J12125256+3354023, CBS 158, FB 87, HZ19, LAMOST J121252.57+335402.4, [M60b]+34 11
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 12 52.62 | 12 12 52.56 (0.01) | ||
| Declination | 33 54 02.85 | 33 54 02.33 (0.01) | ||
| Spectral type | sdB | sdOB+F6V | ||
| 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] | 1.34 (0.04) | 1.29 (0.02) | |
| Distance | [pc] | 745.77 (21) | 776.52 (12) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -20.192 (0.07) | -19.939 (0.01) | |
| Proper motion (declination) | [mas/yr] | -12.281 (0.05) | -12.131 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.94 (0.04) | |||
| V magnitude | 12.69 (0.08) | |||
| R magnitude | 12.71 (0.05) | |||
| I magnitude | ||||
| J magnitude | 12.13 (0.02) | 12.13 (0.02) | ||
| H magnitude | 11.92 (0.03) | 11.92 (0.03) | ||
| K magnitude | 11.91 (0.02) | 11.91 (0.02) | ||
| u magnitude | 14.44 (0.006) | |||
| g magnitude | 13.00 (0.001) | 12.86 (0.1) | ||
| r magnitude | 12.83 (0.001) | 12.80 (0.04) | ||
| i magnitude | 12.86 (0.002) | 12.88 (0.2) | ||
| z magnitude | 13.71 (0.008) | |||
| G magnitude | 12.64 (0.0005) | 12.62 (0.003) | ||
| BP magnitude | 12.70 (0.004) | |||
| RP magnitude | 12.42 (0.002) | |||
| Pan g magnitude | 13.02 | |||
| Pan r magnitude | 12.85 | |||
| Pan i magnitude | 12.85 | |||
| Pan z magnitude | 12.89 | |||
| Pan y magnitude | 12.86 (0.003) | |||
| E(B-V) | 0.017 | |||
* 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.