All names: SDSS J152821.10+021442.3, TIC 371267317, 2MASS J15282109+0214424, PG1525+024, GALEX J152821.0+021444, PG 1525+024, UCAC4 462-053963, Gaia DR2 4420981434602491520, Gaia DR3 4420981434602491520, UCAC2 32550676, BPS CS 22890-0094
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 28 21.10 | 15 28 21.10 (0.03) | ||
| Declination | 02 14 42.24 | 02 14 42.36 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 27133.0 (1277) | ||
| log(g) | [cgs] | 5.14 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.71 (0.05) | 0.64 (0.04) | |
| Distance | [pc] | 1402.92 (106) | 1568.14 (92) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.869 (0.1) | -6.674 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.862 (0.09) | -1.017 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.18 (0.05) | |||
| V magnitude | 15.28 (0.02) | |||
| R magnitude | 15.69 (0.09) | |||
| I magnitude | ||||
| J magnitude | 15.88 (0.07) | 15.80 (0.009) | ||
| H magnitude | 15.64 (0.1) | 15.85 (0.02) | ||
| K magnitude | 15.66 (0.2) | 15.89 (0.03) | ||
| u magnitude | 15.05 (0.004) | 15.05 (0.004) | ||
| g magnitude | 15.10 (0.003) | 15.10 (0.003) | ||
| r magnitude | 15.52 (0.004) | 15.52 (0.004) | ||
| i magnitude | 15.82 (0.004) | 15.82 (0.004) | ||
| z magnitude | 16.11 (0.007) | 16.11 (0.007) | ||
| G magnitude | 15.33 (0.0007) | 15.32 (0.003) | ||
| BP magnitude | 15.18 (0.01) | |||
| RP magnitude | 15.51 (0.003) | |||
| Pan g magnitude | 15.16 (0.003) | |||
| Pan r magnitude | 15.53 (0.003) | |||
| Pan i magnitude | 15.85 (0.003) | |||
| Pan z magnitude | 16.10 (0.005) | |||
| Pan y magnitude | 16.25 (0.002) | |||
| E(B-V) | 0.040 | |||
* 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.