All names: EC12001-1748, EC 12001-1748, Gaia DR3 3567099227002641536, Gaia DR2 3567099227002641536, UCAC4 360-063859, Gaia EDR3 3567101765328352640, 2MASS J12024203-1804588, UCAC2 24839992, TIC 38624356
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 02 34.07 (0.4) | 12 02 42.19 | 12 02 42.04 (0.05) | ||
| Declination | -18 05 21.29 (0.3) | -18 05 00.18 | -18 04 59.11 (0.04) | ||
| 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] | 1.72 (0.5) | 0.47 (0.09) | 0.39 (0.05) | |
| Distance | [pc] | 579.95 (170) | 2122.24 (410) | 2545.82 (348) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -12.935 (0.5) | -6.996 (0.2) | -6.879 (0.06) | |
| Proper motion (declination) | [mas/yr] | -0.264 (0.4) | -2.907 (0.1) | -2.031 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.92 (0.03) | ||||
| V magnitude | 15.88 (0.04) | ||||
| R magnitude | 15.98 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 15.71 (0.06) | 15.71 (0.06) | |||
| H magnitude | 15.54 (0.1) | 15.54 (0.1) | |||
| K magnitude | 15.30 (0.2) | 15.30 (0.2) | |||
| u magnitude | |||||
| g magnitude | 15.84 (0.01) | ||||
| r magnitude | 16.11 (0.04) | ||||
| i magnitude | 16.51 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 19.88 (0.005) | 15.87 (0.001) | 15.85 (0.003) | ||
| BP magnitude | 20.22 (0.09) | 15.82 (0.005) | |||
| RP magnitude | 19.38 (0.05) | 15.84 (0.003) | |||
| Pan g magnitude | 15.83 (0.005) | ||||
| Pan r magnitude | 16.01 (0.002) | ||||
| Pan i magnitude | 16.18 (0.002) | ||||
| Pan z magnitude | 16.30 (0.003) | ||||
| Pan y magnitude | 16.35 (0.004) | ||||
| 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.