All names: Gaia DR2 1215393732368391936, SDSS J151640.22+225712.5, PG 1514+231, UCAC4 565-052488, Gaia DR3 1215393732368391936, PG1514+231, LB 9555, 2MASS J15164023+2257127, WISE J151640.23+225712.3, WISEA J151640.22+225712.2, SDSS J151640.23+225712.5, TIC 355733522
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 16 40.26 | 15 16 40.23 (0.02) | ||
| Declination | 22 57 14.78 | 22 57 12.71 (0.03) | ||
| Spectral type | sdB+MS | sdB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.54 (0.05) | 0.68 (0.03) | |
| Distance | [pc] | 1866.02 (160) | 1479.73 (67) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.805 (0.07) | -8.164 (0.03) | |
| Proper motion (declination) | [mas/yr] | -39.8 (0.09) | -39.301 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.17 (0.08) | |||
| V magnitude | 15.18 (0.2) | |||
| R magnitude | 15.14 (0.02) | |||
| I magnitude | ||||
| J magnitude | 14.77 (0.04) | 14.77 (0.04) | ||
| H magnitude | 14.39 (0.05) | 14.39 (0.05) | ||
| K magnitude | 14.38 (0.08) | 14.38 (0.08) | ||
| u magnitude | 14.94 (0.004) | 14.94 (0.004) | ||
| g magnitude | 15.00 (0.003) | 15.00 (0.003) | ||
| r magnitude | 15.21 (0.004) | 15.21 (0.004) | ||
| i magnitude | 15.31 (0.004) | 15.31 (0.004) | ||
| z magnitude | 15.40 (0.005) | 15.40 (0.005) | ||
| G magnitude | 15.08 (0.0007) | 15.06 (0.003) | ||
| BP magnitude | 15.05 (0.006) | |||
| RP magnitude | 14.99 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | 20.84 (0.07) | |||
| Pan y magnitude | ||||
| E(B-V) | 0.049 | |||
* 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.