All names: PG 1011+649, SDSS J101517.58+644356.9, Gaia DR2 1053635986871988096, TIC 356540674, PG1011+649, Gaia DR3 1053635986871988096, FBS 1011+649, UCAC4 774-030974, 2MASS J10151758+6443568, FBS B 682
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 15 17.56 | 10 15 17.59 (0.02) | ||
| Declination | 64 43 56.93 | 64 43 56.91 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| 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] | 0.42 (0.04) | 0.39 (0.03) | |
| Distance | [pc] | 2360.16 (233) | 2532.29 (202) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.148 (0.05) | 2.17 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.081 (0.06) | -1.108 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.50 (0.07) | |||
| V magnitude | 14.85 (0.06) | |||
| R magnitude | 15.13 (0.05) | |||
| I magnitude | ||||
| J magnitude | 15.59 (0.05) | 15.59 (0.05) | ||
| H magnitude | 15.52 (0.1) | 15.52 (0.1) | ||
| K magnitude | 15.89 (0.2) | 15.89 (0.2) | ||
| u magnitude | 14.14 (0.003) | |||
| g magnitude | 14.57 (0.003) | |||
| r magnitude | 15.08 (0.003) | |||
| i magnitude | 15.45 (0.003) | |||
| z magnitude | 15.78 (0.006) | |||
| G magnitude | 14.86 (0.0007) | 14.85 (0.003) | ||
| BP magnitude | 14.62 (0.009) | |||
| RP magnitude | 15.15 (0.002) | |||
| Pan g magnitude | 14.69 (0.002) | |||
| Pan r magnitude | 15.11 (0.004) | |||
| Pan i magnitude | 15.48 (0.003) | |||
| Pan z magnitude | 15.76 (0.001) | |||
| Pan y magnitude | 15.99 (0.005) | |||
| 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.