All names: GALEX J160803.8+070428, GSC 00379-00781, PG 1605+072, UCAC2 34298783, SDSS J160803.68+070428.7, SDSS J160803.68+070428.6, LAMOST J160803.68+070428.7, PG1605+072, WISEA J160803.68+070428.6, [TFW97] J160803.69+070428.68, 2MASS J16080367+0704287, V* V338 Ser, UCAC4 486-062031, TIC 291032641, Gaia DR3 4450489165598124800, WISE J160803.68+070428.6, Gaia DR2 4450489165598124800
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 08 03.70 | 16 08 03.69 (0.05) | ||
| Declination | 07 04 29.08 | 07 04 28.75 (0.03) | ||
| Spectral type | sdBV | sdB0.2VIHe3 | ||
| Effective temperature | [K] | 32550.0 (370) | ||
| log(g) | [cgs] | 5.29 (0.07) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.26 (0.08) | 1.34 (0.06) | |
| Distance | [pc] | 791.20 (50) | 743.72 (33) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.383 (0.1) | -6.368 (0.06) | |
| Proper motion (declination) | [mas/yr] | -8.048 (0.07) | -8.111 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.53 (0.02) | |||
| V magnitude | 12.83 (0.1) | |||
| R magnitude | 13.18 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.41 (0.03) | 13.41 (0.03) | ||
| H magnitude | 13.48 (0.02) | 13.48 (0.02) | ||
| K magnitude | 13.56 (0.04) | 13.56 (0.04) | ||
| u magnitude | 14.10 (0.01) | |||
| g magnitude | ||||
| r magnitude | 13.18 (0.003) | |||
| i magnitude | 16.25 (0.02) | |||
| z magnitude | 13.97 (0.007) | |||
| G magnitude | 12.83 (0.003) | 12.81 (0.004) | ||
| BP magnitude | 12.60 (0.01) | |||
| RP magnitude | 13.07 (0.01) | |||
| Pan g magnitude | 12.80 | |||
| Pan r magnitude | 13.20 | |||
| Pan i magnitude | 13.48 | |||
| Pan z magnitude | 13.75 (0.006) | |||
| Pan y magnitude | 13.92 (0.007) | |||
| E(B-V) | 0.045 | |||
* 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.