All names: GALEX J152744.9-010627, UCAC2 31345981, 2MASS J15274494-0106265, UCAC4 445-060378, BPS CS 22890-0080, Gaia DR2 4416909736886261760, PG 1525-009, PG1525-009, BPS BS 16559-0101, Gaia DR3 4416909736886261760, TIC 20811425, FBS 1525-009
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 27 44.92 | 15 27 44.94 (0.03) | ||
| Declination | -01 06 26.70 | -01 06 26.64 (0.03) | ||
| Spectral type | sdB | 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] | 0.90 (0.06) | 0.93 (0.03) | |
| Distance | [pc] | 1112.35 (75) | 1072.27 (39) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.48 (0.1) | 7.145 (0.04) | |
| Proper motion (declination) | [mas/yr] | 2.099 (0.2) | 2.558 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.78 (0.01) | |||
| V magnitude | 14.81 (0.01) | |||
| R magnitude | 15.21 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.98 (0.04) | 14.98 (0.04) | ||
| H magnitude | 15.01 (0.09) | 15.01 (0.09) | ||
| K magnitude | 15.23 (0.2) | 15.23 (0.2) | ||
| u magnitude | 14.92 (0.005) | |||
| g magnitude | 14.83 (0.004) | |||
| r magnitude | 15.12 (0.005) | |||
| i magnitude | 15.28 (0.005) | |||
| z magnitude | 15.39 (0.006) | |||
| G magnitude | 14.81 (0.0008) | 14.79 (0.003) | ||
| BP magnitude | 14.71 (0.008) | |||
| RP magnitude | 14.87 (0.002) | |||
| Pan g magnitude | 14.70 (0.003) | |||
| Pan r magnitude | 14.96 (0.002) | |||
| Pan i magnitude | 15.19 (0.004) | |||
| Pan z magnitude | 15.40 (0.007) | |||
| Pan y magnitude | 15.52 (0.004) | |||
| E(B-V) | 0.089 | |||
* 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.