All names: GALEX J160209.1+072509, UCAC4 488-062413, WISEA J160209.06+072510.9, Gaia DR3 4451111935856224000, Gaia DR2 4451111935856224000, UCAC2 34298413, LAMOST J160209.06+072511.0, 2MASS J16020906+0725109, PG 1559+076, GALEX J160209.2+072509, PG1559+076, SDSS J160209.07+072510.9, WISE J160209.07+072511.0, TIC 318495558
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 02 09.07 | 16 02 09.07 (0.02) | ||
| Declination | 07 25 10.86 | 07 25 10.93 (0.02) | ||
| Spectral type | sdO+G0V | sdO+G2V | ||
| Effective temperature | [K] | 67570.0 (15540) | ||
| log(g) | [cgs] | 5.74 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.70 (0.04) | 0.71 (0.03) | |
| Distance | [pc] | 1421.67 (81) | 1418.24 (51) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.513 (0.06) | 2.639 (0.03) | |
| Proper motion (declination) | [mas/yr] | 3.569 (0.05) | 3.527 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.55 (0.04) | |||
| V magnitude | 14.61 (0.05) | |||
| R magnitude | 14.77 (0.2) | |||
| I magnitude | ||||
| J magnitude | 14.14 (0.03) | 14.14 (0.03) | ||
| H magnitude | 13.84 (0.02) | 13.84 (0.02) | ||
| K magnitude | 13.84 (0.05) | 13.84 (0.05) | ||
| u magnitude | 14.30 (0.004) | 14.30 (0.004) | ||
| g magnitude | 14.43 (0.003) | 14.43 (0.003) | ||
| r magnitude | 14.62 (0.004) | 14.62 (0.004) | ||
| i magnitude | 14.70 (0.004) | 14.70 (0.004) | ||
| z magnitude | 14.81 (0.005) | 14.81 (0.005) | ||
| G magnitude | 14.48 (0.0008) | 14.46 (0.003) | ||
| BP magnitude | 14.43 (0.007) | |||
| RP magnitude | 14.38 (0.003) | |||
| Pan g magnitude | 14.46 (0.007) | |||
| Pan r magnitude | 14.61 (0.0008) | |||
| Pan i magnitude | 14.72 (0.002) | |||
| Pan z magnitude | 14.81 (0.002) | |||
| Pan y magnitude | 14.86 (0.004) | |||
| E(B-V) | 0.041 | |||
* 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.