All names: PG 1117+312, Gaia DR2 4023386553845346688, LAMOST J112000.36+305659.9, TIC 144303108, CBS 40, PB 2539, uvby98 610070064, 2MASS J11200036+3056598, Gaia EDR3 4023386553845346688, PG1117+312, WIRED J112000.36+305659.9, SDSS J112000.37+305659.9, Ton 64, LAMOST J112000.36+305700.0, Gaia DR3 4023386553845346688, SDSS J112000.36+305659.9, LB 10127
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 11 20 00.36 (0.04) | 11 20 00.37 | 11 20 00.36 (0.04) | ||
| Declination | 30 56 59.84 (0.04) | 30 56 59.97 | 30 56 59.88 (0.04) | ||
| Spectral type | sdOB | sdB | |||
| Effective temperature | [K] | 33626.0 (895) | |||
| log(g) | [cgs] | 5.74 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.85 (0.05) | 0.80 (0.06) | 0.85 (0.05) | |
| Distance | [pc] | 1180.78 (69) | 1254.23 (88) | 1180.78 (69) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.884 (0.04) | -0.734 (0.09) | -0.884 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.48 (0.05) | -2.523 (0.09) | -2.48 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.26 (0.04) | 15.26 (0.04) | |||
| H magnitude | 15.41 (0.1) | 15.41 (0.1) | |||
| K magnitude | 15.28 (0.1) | 15.28 (0.1) | |||
| u magnitude | 13.92 (0.003) | 13.92 (0.003) | |||
| g magnitude | 14.19 (0.003) | 14.19 (0.003) | |||
| r magnitude | 14.79 (0.003) | 14.79 (0.003) | |||
| i magnitude | 15.14 (0.004) | 15.14 (0.004) | |||
| z magnitude | 15.48 (0.005) | 15.48 (0.005) | |||
| G magnitude | 14.49 (0.003) | 14.51 (0.002) | 14.49 (0.003) | ||
| BP magnitude | 14.34 (0.004) | 14.28 (0.01) | |||
| RP magnitude | 14.82 (0.006) | 14.82 (0.007) | |||
| Pan g magnitude | 14.32 (0.007) | ||||
| Pan r magnitude | 14.79 (0.003) | ||||
| Pan i magnitude | 15.15 (0.004) | ||||
| Pan z magnitude | 15.45 (0.002) | ||||
| Pan y magnitude | 15.63 (0.007) | ||||
| 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.