All names: Balloon 80102003, TIC 86277081, BPS BS 16470-0025, FAUST 3017, Gaia DR3 3922570889586104064, [BAE2000] 34, uvby98 601103854, PB 3854, PG 1206+165, GALEX J120916.7+161156, LAMOST J120916.74+161156.0, Gaia DR2 3922570889586104064, PG1206+165, [TFW97] J120916.70+161155.07, 2MASS J12091669+1611551, HS 1206+1628
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 09 16.78 | 12 09 16.69 (0.05) | ||
| Declination | 16 11 56.01 | 16 11 55.05 (0.03) | ||
| Spectral type | sdB | sdB+G9V | ||
| Effective temperature | [K] | 29085.0 (98) | ||
| log(g) | [cgs] | 5.50 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.30 (0.08) | 1.22 (0.04) | |
| Distance | [pc] | 769.70 (48) | 817.19 (29) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -22.814 (0.2) | -22.591 (0.06) | |
| Proper motion (declination) | [mas/yr] | -18.104 (0.1) | -18.313 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.64 | |||
| V magnitude | 13.71 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.47 (0.02) | 13.47 (0.02) | ||
| H magnitude | 13.19 (0.03) | 13.19 (0.03) | ||
| K magnitude | 13.08 (0.03) | 13.08 (0.03) | ||
| u magnitude | 13.60 (0.005) | |||
| g magnitude | ||||
| r magnitude | 15.17 (0.01) | |||
| i magnitude | 14.23 (0.002) | |||
| z magnitude | 14.31 (0.005) | |||
| G magnitude | 13.65 (0.0006) | 13.64 (0.003) | ||
| BP magnitude | 13.54 (0.004) | |||
| RP magnitude | 13.70 (0.003) | |||
| Pan g magnitude | 13.60 (0.003) | |||
| Pan r magnitude | 13.84 (0.003) | |||
| Pan i magnitude | 14.04 (0.002) | |||
| Pan z magnitude | 14.18 (0.005) | |||
| Pan y magnitude | 14.21 (0.007) | |||
| E(B-V) | 0.024 | |||
* 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.