All names: PG1357+501, SBSS 1357+501, PG 1357+501, GALEX J135917.8+495404, UCAC4 700-055240, SDSS J135917.75+495404.2, WISE J135917.74+495404.2, USNO-B1.0 1399-00241195, Gaia DR3 1512089626500587648, 2MASS J13591776+4954042, Gaia DR2 1512089626500587648, TIC 154224704, WISEA J135917.74+495404.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 59 17.93 | 13 59 17.76 (0.03) | ||
| Declination | 49 54 01.10 | 49 54 04.21 (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] | 0.36 (0.05) | 0.41 (0.04) | |
| Distance | [pc] | 2801.12 (409) | 2436.65 (224) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -13.407 (0.08) | -13.342 (0.03) | |
| Proper motion (declination) | [mas/yr] | 7.848 (0.07) | 7.853 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.10 | |||
| V magnitude | ||||
| R magnitude | 15.74 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.99 (0.06) | 15.99 (0.06) | ||
| H magnitude | 15.81 (0.1) | 15.81 (0.1) | ||
| K magnitude | 15.32 | |||
| u magnitude | 15.87 (0.006) | |||
| g magnitude | 15.88 (0.004) | |||
| r magnitude | 16.20 (0.004) | |||
| i magnitude | 16.40 (0.005) | |||
| z magnitude | 16.55 (0.009) | |||
| G magnitude | 16.04 (0.001) | 16.02 (0.003) | ||
| BP magnitude | 15.93 (0.006) | |||
| RP magnitude | 16.07 (0.004) | |||
| Pan g magnitude | 15.93 (0.005) | |||
| Pan r magnitude | 16.20 (0.003) | |||
| Pan i magnitude | 16.42 (0.002) | |||
| Pan z magnitude | 16.58 (0.004) | |||
| Pan y magnitude | 16.65 (0.005) | |||
| E(B-V) | 0.019 | |||
* 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.