All names: Gaia DR2 4431996307731385728, Gaia DR3 4431996307731385728, TIC 281269725, PG1627+017, GSC 00369-00978, 2MASS J16293530+0138187, V* V2579 Oph, PG 1627+017
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 29 35.32 | 16 29 35.30 (0.03) | ||
| Declination | 01 38 19.48 | 01 38 18.79 (0.02) | ||
| Spectral type | sdBV+WD | sdB3VIIHe3 | ||
| Effective temperature | [K] | 22800.0 (900) | ||
| log(g) | [cgs] | 5.27 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.72 (0.07) | 1.82 (0.04) | |
| Distance | [pc] | 580.62 (24) | 550.27 (11) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.337 (0.09) | -5.322 (0.04) | |
| Proper motion (declination) | [mas/yr] | -14.395 (0.06) | -14.384 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.32 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.37 (0.03) | 13.37 (0.03) | ||
| H magnitude | 13.48 (0.03) | 13.48 (0.03) | ||
| K magnitude | 13.54 (0.04) | 13.54 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.91 (0.001) | 12.88 (0.003) | ||
| BP magnitude | 12.74 (0.01) | |||
| RP magnitude | 13.09 (0.003) | |||
| Pan g magnitude | 12.84 | |||
| Pan r magnitude | 13.20 | |||
| Pan i magnitude | 13.49 | |||
| Pan z magnitude | 13.70 (0.006) | |||
| Pan y magnitude | 13.84 (0.002) | |||
| E(B-V) | 0.073 | |||
* 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.