All names: TIC 150229452, Gaia DR3 805690720332579456, HIDDEN NAME PG 1017+430, 2MASS J10202979+4250218, FBS B 276, SDSS J102029.80+425021.9, PG 1017+431, LAMOST J102029.80+425021.9, PG1017+430, FBS 1017+430, Gaia DR2 805690720332579456
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 20 29.83 | 10 20 29.81 (0.04) | ||
| Declination | 42 50 22.04 | 42 50 21.93 (0.04) | ||
| Spectral type | sdOB | sdO8VIHe1 | ||
| Effective temperature | [K] | 40230.0 (1340) | ||
| log(g) | [cgs] | 5.11 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.57 (0.07) | 0.33 (0.06) | |
| Distance | [pc] | 1765.54 (224) | 3064.66 (559) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.692 (0.09) | -6.689 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.35 (0.1) | -4.274 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.28 | |||
| V magnitude | 15.31 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.02 (0.07) | 16.02 (0.07) | ||
| H magnitude | 16.12 (0.2) | 16.12 (0.2) | ||
| K magnitude | 15.88 (0.2) | 15.88 (0.2) | ||
| u magnitude | 14.60 (0.003) | 14.60 (0.003) | ||
| g magnitude | 14.94 (0.003) | 14.94 (0.003) | ||
| r magnitude | 15.52 (0.003) | 15.52 (0.003) | ||
| i magnitude | 15.87 (0.004) | 15.87 (0.004) | ||
| z magnitude | 16.25 (0.007) | 16.25 (0.007) | ||
| G magnitude | 15.28 (0.0006) | 15.26 (0.003) | ||
| BP magnitude | 15.03 (0.008) | |||
| RP magnitude | 15.59 (0.003) | |||
| Pan g magnitude | 15.09 (0.005) | |||
| Pan r magnitude | 15.54 (0.004) | |||
| Pan i magnitude | 15.92 (0.003) | |||
| Pan z magnitude | 16.22 (0.004) | |||
| Pan y magnitude | 16.41 (0.01) | |||
| E(B-V) | 0.018 | |||
* 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.