All names: Gaia DR3 3522961291210557440, Gaia EDR3 3522961291210557440, 2MASS J12391600-1754145, UCAC4 361-063429, GALEX J123915.9-175414, EC12366-1737, UCAC2 25085184, TIC 181857383, Gaia DR2 3522961291210557440, EC 12366-1737, SDSS J123915.99-175414.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 39 15.99 (0.03) | 12 39 15.98 | 12 39 16.00 (0.03) | ||
| Declination | -17 54 14.58 (0.02) | -17 54 13.49 | -17 54 14.44 (0.02) | ||
| 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] | 0.80 (0.04) | 0.80 (0.08) | 0.80 (0.04) | |
| Distance | [pc] | 1255.49 (71) | 1247.19 (119) | 1255.49 (71) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -8.113 (0.05) | -8.131 (0.1) | -8.113 (0.05) | |
| Proper motion (declination) | [mas/yr] | -8.301 (0.04) | -8.195 (0.1) | -8.301 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.77 (0.03) | ||||
| V magnitude | 14.95 (0.04) | ||||
| R magnitude | 15.22 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 15.53 (0.06) | 15.53 (0.06) | |||
| H magnitude | 15.53 (0.1) | 15.53 (0.1) | |||
| K magnitude | 14.88 | ||||
| u magnitude | 14.44 (0.004) | 14.45 (0.02) | |||
| g magnitude | 14.67 (0.003) | 14.73 (0.02) | |||
| r magnitude | 15.16 (0.003) | 15.19 (0.02) | |||
| i magnitude | 15.49 (0.004) | 15.50 (0.02) | |||
| z magnitude | 15.78 (0.007) | 15.80 (0.02) | |||
| G magnitude | 14.94 (0.003) | 14.95 (0.0006) | 14.94 (0.003) | ||
| BP magnitude | 14.80 (0.003) | 14.74 (0.007) | |||
| RP magnitude | 15.22 (0.004) | 15.22 (0.003) | |||
| Pan g magnitude | 14.77 (0.002) | ||||
| Pan r magnitude | 15.19 (0.001) | ||||
| Pan i magnitude | 15.54 (0.002) | ||||
| Pan z magnitude | 15.83 (0.007) | ||||
| Pan y magnitude | 15.99 (0.005) | ||||
| E(B-V) | 0.026 | ||||
* 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.