All names: MCT0140-1230, GALEX J014248.9-121514, Gaia EDR3 2460444003461129856, Gaia DR3 2460444003461129856, EC 01403-1230, UCAC4 389-001820, Gaia DR2 2460444003461129856, PHL 1120, 2MASS J01424903-1215147, TIC 404467239, MCT 0140-1230, UCAC2 27408088
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 42 49.04 (0.04) | 01 42 48.99 | 01 42 49.03 (0.04) | ||
| Declination | -12 15 14.65 (0.03) | -12 15 14.54 | -12 15 14.65 (0.03) | ||
| Spectral type | sdB | sdBHe1 | |||
| 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] | 0.62 (0.04) | 0.56 (0.06) | 0.62 (0.04) | |
| Distance | [pc] | 1605.91 (116) | 1781.90 (202) | 1605.91 (116) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 13.198 (0.05) | 13.168 (0.1) | 13.198 (0.05) | |
| Proper motion (declination) | [mas/yr] | 0.286 (0.03) | 0.016 (0.08) | 0.286 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.50 (0.06) | ||||
| V magnitude | 15.64 (0.06) | ||||
| R magnitude | 15.86 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.19 (0.08) | 16.19 (0.08) | |||
| H magnitude | 16.31 (0.2) | 16.31 (0.2) | |||
| K magnitude | 16.05 | ||||
| u magnitude | |||||
| g magnitude | 15.45 (0.07) | ||||
| r magnitude | 15.91 (0.1) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.57 (0.003) | 15.59 (0.001) | 15.57 (0.003) | ||
| BP magnitude | 15.44 (0.003) | 15.40 (0.006) | |||
| RP magnitude | 15.82 (0.005) | 15.82 (0.006) | |||
| Pan g magnitude | 15.43 (0.0008) | ||||
| Pan r magnitude | 15.81 (0.004) | ||||
| Pan i magnitude | 16.15 (0.008) | ||||
| Pan z magnitude | 16.42 (0.003) | ||||
| Pan y magnitude | 16.60 (0.01) | ||||
| E(B-V) | 0.041 | ||||
* 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.