All names: Gaia DR3 3906031520285024512, UCAC2 35031530, 2MASS J12031937+0909515, BPS BS 16986-0051, TIC 397436934, UCAC4 496-058304, WISE J120319.38+090951.6, SDSS J120319.37+090951.5, PG1200+094, Gaia DR2 3906031520285024512, GALEX J120319.4+090951, WISEA J120319.37+090951.4, PG 1200+094
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 03 19.38 | 12 03 19.37 (0.03) | ||
| Declination | 09 09 51.95 | 09 09 51.55 (0.02) | ||
| Spectral type | sdOB | sdOB+F8V | ||
| 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] | 0.83 (0.06) | 0.58 (0.04) | |
| Distance | [pc] | 1204.38 (87) | 1737.02 (106) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.294 (0.1) | 4.32 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.359 (0.06) | -6.952 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.75 (0.05) | |||
| V magnitude | 14.70 (0.01) | |||
| R magnitude | 14.83 (0.05) | |||
| I magnitude | ||||
| J magnitude | 14.21 (0.04) | 14.21 (0.04) | ||
| H magnitude | 14.04 (0.04) | 14.04 (0.04) | ||
| K magnitude | 14.08 (0.08) | 14.08 (0.08) | ||
| u magnitude | 14.76 (0.004) | |||
| g magnitude | 14.75 (0.004) | |||
| r magnitude | 14.85 (0.005) | |||
| i magnitude | 14.94 (0.005) | |||
| z magnitude | 14.99 (0.006) | |||
| G magnitude | 14.62 (0.0007) | 14.61 (0.003) | ||
| BP magnitude | 14.60 (0.005) | |||
| RP magnitude | 14.50 (0.002) | |||
| Pan g magnitude | 14.64 (0.004) | |||
| Pan r magnitude | 14.74 (0.003) | |||
| Pan i magnitude | 14.86 (0.002) | |||
| Pan z magnitude | 14.94 (0.004) | |||
| Pan y magnitude | 14.96 (0.009) | |||
| E(B-V) | 0.021 | |||
* 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.