All names: SB 38, Ton S 140, PHL 666, [PS72] 200, CSI-27-00042, Gaia EDR3 2333646741998127744, Gaia DR2 2333646741998127744, BPS CS 29503-0002, EC 00042-2737, GEN# +6.10160666, 2MASS J00064627-2720533, HE 0004-2737, TIC 12395214, GALEX J000646.5-272055, MCT0004-2737, MCT 0004-2737, Gaia DR3 2333646741998127744, uvby98 610160666
| 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.