All names: PG1415+492, 2MASS J14170275+4857285, SBSS 1415+491, PG 1415+492, GALEX J141702.7+485727, LAMOST J141702.82+485725.8, Gaia DR3 1508050123858921216, SDSS J141702.76+485728.4, UCAC2 47911443, UCAC4 695-054049, TIC 310394024, CBS 263, Gaia DR2 1508050123858921216
| Parameter | Unit | Geier 2020 | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 14 17 02.87 | 14 17 02.76 (0.02) | |||
| Declination | 48 57 26.89 | 48 57 28.50 (0.02) | |||
| Spectral type | He-sdB | subdwarf | sdBC1VHe38 | ||
| Effective temperature | [K] | 37690.0 (1790) | |||
| log(g) | [cgs] | 5.23 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.28 (0.04) | 0.36 (0.03) | ||
| Distance | [pc] | 3566.33 (483) | 2778.55 (233) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.036 (0.06) | 1.095 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -6.635 (0.06) | -6.548 (0.03) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.15 (0.08) | ||||
| V magnitude | 14.30 (0.06) | ||||
| R magnitude | 14.67 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.97 (0.04) | 14.97 (0.04) | |||
| H magnitude | 15.03 (0.07) | 15.03 (0.07) | |||
| K magnitude | 15.24 (0.1) | 15.24 (0.1) | |||
| u magnitude | 13.72 (0.004) | 13.76 (0.03) | |||
| g magnitude | 14.00 (0.003) | 14.02 (0.02) | |||
| r magnitude | 14.51 (0.004) | 14.52 (0.02) | |||
| i magnitude | 14.85 (0.004) | 14.85 (0.02) | |||
| z magnitude | 15.19 (0.005) | 15.21 (0.02) | |||
| G magnitude | 14.29 (0.0006) | 14.27 (0.003) | |||
| BP magnitude | 14.06 (0.005) | ||||
| RP magnitude | 14.55 (0.002) | ||||
| Pan g magnitude | 14.10 (0.002) | ||||
| Pan r magnitude | 14.52 (0.002) | ||||
| Pan i magnitude | 14.89 (0.003) | ||||
| Pan z magnitude | 15.19 (0.003) | ||||
| Pan y magnitude | 15.35 (0.004) | ||||
| E(B-V) | 0.020 | ||||
* 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.