All names: LAMOST J163201.32+075939.8, Gaia DR2 4440145853560129408, TYC 960-1373-1, PG1629+081, UCAC4 490-064269, GSC 00960-01373, LAMOST J163201.35+075940.0, SDSS J163201.36+075940.0, PG 1629+081A, LAMOST J163201.46+075940.6, [TFW97] J163201.34+075939.72, PG 1629+081, UCAC2 34481271, Gaia DR3 4440145853560129408, GALEX J163201.4+075940
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 32 01.31 | 16 32 01.36 (0.03) | ||
| Declination | 07 59 39.90 | 07 59 40.04 (0.02) | ||
| Spectral type | sdOB | sdBO | ||
| Effective temperature | [K] | 38110.0 (680) | ||
| log(g) | [cgs] | 5.38 (0.09) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.12 (0.07) | 1.13 (0.04) | |
| Distance | [pc] | 891.74 (52) | 883.78 (31) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.778 (0.09) | 5.828 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.038 (0.06) | -0.218 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.61 (0.01) | |||
| V magnitude | 12.76 (0.03) | |||
| R magnitude | 13.12 (0.09) | |||
| I magnitude | ||||
| J magnitude | 12.84 (0.03) | |||
| H magnitude | 12.61 (0.04) | |||
| K magnitude | 12.60 (0.03) | |||
| u magnitude | 15.14 (0.02) | |||
| g magnitude | 12.61 (0.03) | |||
| r magnitude | 16.14 (0.01) | 12.90 (0.01) | ||
| i magnitude | 17.61 (0.03) | 13.04 (0.03) | ||
| z magnitude | 14.02 (0.006) | |||
| G magnitude | 12.87 (0.0005) | 12.84 (0.003) | ||
| BP magnitude | 12.59 (0.006) | |||
| RP magnitude | 13.05 (0.007) | |||
| Pan g magnitude | 12.65 (0.001) | |||
| Pan r magnitude | 13.14 (0.06) | |||
| Pan i magnitude | 13.47 (0.001) | |||
| Pan z magnitude | 13.68 (0.007) | |||
| Pan y magnitude | 13.86 (0.004) | |||
| E(B-V) | 0.057 | |||
* 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.