All names: 2MASS J16265419+0825350, LAMOST J162654.22+082535.1, UCAC4 493-066895, TIC 318888986, UCAC2 34668784, Gaia EDR3 4440350981196959104, SDSS J162654.20+082534.9, PG 1624+085, PG1624+085, Gaia DR2 4440350981196959104, Gaia DR3 4440350981196959104, SDSS J162654.19+082534.9, GALEX J162654.2+082535
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 16 26 54.20 (0.03) | 16 26 54.22 | 16 26 54.20 (0.03) | |||
| Declination | 08 25 34.88 (0.03) | 08 25 35.61 | 08 25 35.02 (0.03) | |||
| Spectral type | He-sdO | DBA | sdO9VIIHe39 | |||
| Effective temperature | [K] | 44285.0 (2000) | ||||
| log(g) | [cgs] | 6.10 (0.2) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 0.64 (0.04) | 0.56 (0.06) | 0.64 (0.04) | ||
| Distance | [pc] | 1555.69 (106) | 1790.83 (200) | 1555.69 (106) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -4.359 (0.04) | -4.434 (0.08) | -4.359 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -8.496 (0.04) | -8.623 (0.06) | -8.496 (0.04) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 14.74 (0.04) | |||||
| V magnitude | 14.90 (0.03) | |||||
| R magnitude | 15.31 (0.2) | |||||
| I magnitude | ||||||
| J magnitude | 15.57 (0.06) | 15.57 (0.06) | ||||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||||
| K magnitude | 15.61 (0.2) | 15.61 (0.2) | ||||
| u magnitude | 14.31 (0.004) | 14.31 (0.004) | ||||
| g magnitude | 14.65 (0.003) | 14.65 (0.003) | ||||
| r magnitude | 15.13 (0.004) | 15.13 (0.004) | ||||
| i magnitude | 15.48 (0.004) | 15.48 (0.004) | ||||
| z magnitude | 15.78 (0.006) | 15.78 (0.006) | ||||
| G magnitude | 14.90 (0.003) | 14.91 (0.0006) | 14.90 (0.003) | |||
| BP magnitude | 14.75 (0.003) | 14.66 (0.008) | ||||
| RP magnitude | 15.17 (0.004) | 15.16 (0.003) | ||||
| Pan g magnitude | 14.73 (0.003) | |||||
| Pan r magnitude | 15.15 (0.001) | |||||
| Pan i magnitude | 15.51 (0.003) | |||||
| Pan z magnitude | 15.77 (0.002) | |||||
| Pan y magnitude | 15.97 (0.006) | |||||
| E(B-V) | 0.052 | |||||
* 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.