All names: ATO J180.0235-19.0345, AAVSO 1155-18, EC 11575-1845, GSC 06097-00879, USNO-A2.0 0675-11833064, UCAC4 355-062884, FAUST 2976, EC11575-1845, CRTS J120005.6-190203, [DBA2001] FA34, Gaia EDR3 3566879187238687872, Gaia DR3 3566879187238687872, 2MASS J12000564-1902040, TIC 428683815, Gaia DR2 3566879187238687872, V* TW Crv
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 00 05.64 (0.04) | 12 00 05.64 | 12 00 05.65 (0.04) | ||
| Declination | -19 02 03.79 (0.03) | -19 02 05.20 | -19 02 03.97 (0.03) | ||
| Spectral type | sdO+dMe | sdO+dMe | |||
| 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] | 2.14 (0.05) | 1.92 (0.08) | 2.14 (0.05) | |
| Distance | [pc] | 467.68 (12) | 521.51 (21) | 467.68 (12) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.522 (0.05) | -6.565 (0.1) | -6.522 (0.05) | |
| Proper motion (declination) | [mas/yr] | 11.232 (0.03) | 11.209 (0.05) | 11.232 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.02 (0.09) | ||||
| V magnitude | 13.20 (0.1) | ||||
| R magnitude | 13.51 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 13.37 (0.03) | 13.37 (0.03) | |||
| H magnitude | 13.35 (0.03) | 13.35 (0.03) | |||
| K magnitude | 13.37 (0.04) | 13.37 (0.04) | |||
| u magnitude | |||||
| g magnitude | 13.03 (0.08) | ||||
| r magnitude | 13.40 (0.1) | ||||
| i magnitude | 13.49 (0.4) | ||||
| z magnitude | |||||
| G magnitude | 13.09 (0.02) | 15.03 (0.1) | 13.09 (0.02) | ||
| BP magnitude | 12.96 (0.04) | 13.62 (0.2) | |||
| RP magnitude | 13.22 (0.05) | 13.84 (0.2) | |||
| Pan g magnitude | 13.35 | ||||
| Pan r magnitude | 13.46 (0.09) | ||||
| Pan i magnitude | 13.65 (0.07) | ||||
| Pan z magnitude | 13.87 (0.1) | ||||
| Pan y magnitude | 13.75 (0.06) | ||||
| E(B-V) | 0.037 | ||||
* 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.