All names: Gaia DR2 1199316123593521024, GALEX J160304.0+165953, PG 1600+171, SDSS J160304.07+165953.8, Gaia DR3 1199316123593521024, PG1600+171, KUV 16008+1708, USNO-B1.0 1069-00282439
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 03 04.10 | 16 03 04.08 (0.05) | ||
| Declination | 16 59 54.43 | 16 59 53.91 (0.04) | ||
| Spectral type | He-sdO | sdOC8VIIHe39 | ||
| Effective temperature | [K] | 45400.0 (300) | ||
| log(g) | [cgs] | 6.10 (0.07) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.09 (0.09) | 0.12 (0.06) | |
| Distance | [pc] | 11325.03 (11120) | 8326.39 (4326) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -12.76 (0.1) | -12.75 (0.06) | |
| Proper motion (declination) | [mas/yr] | -8.831 (0.1) | -8.807 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.30 | |||
| V magnitude | ||||
| R magnitude | 17.30 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 16.17 (0.006) | 16.17 (0.006) | ||
| g magnitude | 16.57 (0.004) | 16.57 (0.004) | ||
| r magnitude | 17.07 (0.005) | 17.07 (0.005) | ||
| i magnitude | 17.41 (0.006) | 17.41 (0.006) | ||
| z magnitude | 17.77 (0.02) | 17.77 (0.02) | ||
| G magnitude | 16.84 (0.002) | 16.82 (0.003) | ||
| BP magnitude | 16.59 (0.01) | |||
| RP magnitude | 17.12 (0.005) | |||
| Pan g magnitude | 16.66 (0.003) | |||
| Pan r magnitude | 17.08 (0.004) | |||
| Pan i magnitude | 17.44 (0.003) | |||
| Pan z magnitude | 17.74 (0.007) | |||
| Pan y magnitude | 17.93 (0.01) | |||
| E(B-V) | 0.043 | |||
* 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.