All names: TIC 138173268, GALEX J131303.0+153958, Bal81300002, Balloon 81300002, BPS BS 16972-0010, 2MASS J13130302+1539595, Gaia DR2 3744179869623125888, Gaia DR3 3744179869623125888, UCAC4 529-053663
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 13 03.12 | 13 13 03.01 (0.02) | ||
| Declination | 15 40 00.19 | 15 39 59.50 (0.01) | ||
| Spectral type | sdB+K1 | DA/sdB+K1? | ||
| 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] | 0.61 (0.04) | 0.64 (0.02) | |
| Distance | [pc] | 1641.50 (96) | 1554.73 (51) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -13.081 (0.07) | -13.178 (0.03) | |
| Proper motion (declination) | [mas/yr] | -25.168 (0.06) | -25.008 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.85 (0.02) | |||
| V magnitude | 13.87 (0.09) | |||
| R magnitude | 13.93 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.65 (0.03) | 13.65 (0.03) | ||
| H magnitude | 13.68 (0.03) | 13.68 (0.03) | ||
| K magnitude | 13.66 (0.04) | 13.66 (0.04) | ||
| u magnitude | 14.59 (0.004) | |||
| g magnitude | 14.02 (0.009) | 13.71 (0.02) | ||
| r magnitude | 13.91 (0.003) | 13.98 (0.08) | ||
| i magnitude | 14.07 (0.003) | 13.99 (0.01) | ||
| z magnitude | 14.22 (0.004) | |||
| G magnitude | 13.80 (0.0003) | 13.79 (0.003) | ||
| BP magnitude | 13.81 (0.002) | |||
| RP magnitude | 13.75 (0.001) | |||
| Pan g magnitude | 13.77 (0.007) | |||
| Pan r magnitude | 13.91 (0.004) | |||
| Pan i magnitude | 14.14 (0.009) | |||
| Pan z magnitude | 14.23 (0.004) | |||
| Pan y magnitude | 14.27 (0.004) | |||
| E(B-V) | 0.024 | |||
* 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.