All names: Gaia DR3 2333646741998127744, Gaia EDR3 2333646741998127744, uvby98 610160666, PHL 666, HE 0004-2737, GEN# +6.10160666, MCT0004-2737, SB 38, [PS72] 200, MCT 0004-2737, BPS CS 29503-0002, TIC 12395214, Gaia DR2 2333646741998127744, 2MASS J00064627-2720533, GALEX J000646.5-272055, Ton S 140, CSI-27-00042, EC 00042-2737
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 06 46.30 (0.03) | 00 06 46.25 | 00 06 46.28 (0.03) | ||
| Declination | -27 20 53.40 (0.03) | -27 20 53.40 | -27 20 53.24 (0.03) | ||
| Spectral type | sdOB | sdO7He1 | |||
| Effective temperature | [K] | 37500.0 (1100) | |||
| log(g) | [cgs] | 5.94 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.52 (0.04) | 1.42 (0.09) | 1.52 (0.04) | |
| Distance | [pc] | 657.85 (16) | 703.73 (44) | 657.85 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 19.783 (0.04) | 20.009 (0.1) | 19.783 (0.04) | |
| Proper motion (declination) | [mas/yr] | -9.801 (0.03) | -9.773 (0.1) | -9.801 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.68 | ||||
| V magnitude | 13.97 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.54 (0.04) | 14.54 (0.04) | |||
| H magnitude | 14.68 (0.06) | 14.68 (0.06) | |||
| K magnitude | 14.84 (0.1) | 14.84 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 13.92 (0.003) | 13.92 (0.0007) | 13.92 (0.003) | ||
| BP magnitude | 13.76 (0.004) | 13.70 (0.006) | |||
| RP magnitude | 14.20 (0.004) | 14.20 (0.003) | |||
| Pan g magnitude | 13.77 (0.002) | ||||
| Pan r magnitude | 14.20 (0.002) | ||||
| Pan i magnitude | 14.54 (0.002) | ||||
| Pan z magnitude | 14.85 (0.004) | ||||
| Pan y magnitude | 15.00 (0.006) | ||||
| E(B-V) | 0.007 | ||||
* 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.