All names: SB 459, Gaia EDR3 5026956858566738688, MCT 0106-3259, GEN# +6.10080192, SGPA 233, UBV 1168, GSC 06999-00763, TIC 67584818, uvby98 -003300417, GEN# -0.03300417, Ton S 192, PS 1-88, HIC 5355, TYC 6999-763-1, Gaia DR3 5026956858566738688, 2MASS J01082677-3243116, CSI-33-01061, CD-33 417, UBV M 43215, MCT0106-3259, UCAC4 287-001190, Gaia DR2 5026956858566738688, HIP 5355, WISE J010826.76-324311.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 08 26.78 (0.05) | 01 08 26.77 | 01 08 26.78 (0.05) | ||
| Declination | -32 43 11.62 (0.03) | -32 43 11.60 | -32 43 11.63 (0.03) | ||
| Spectral type | sdB | sdBHe1 | |||
| Effective temperature | [K] | 25000.0 (1200) | |||
| log(g) | [cgs] | 5.30 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.59 (0.06) | 2.37 (0.07) | 2.59 (0.06) | |
| Distance | [pc] | 386.31 (8) | 421.87 (12) | 386.31 (8) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.192 (0.05) | -2.207 (0.1) | -2.192 (0.05) | |
| Proper motion (declination) | [mas/yr] | 0.93 (0.04) | 1.117 (0.08) | 0.93 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.02 (0.02) | ||||
| V magnitude | 12.23 (0.04) | ||||
| R magnitude | 12.54 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 12.81 (0.02) | 12.81 (0.02) | |||
| H magnitude | 13.00 (0.03) | 13.00 (0.03) | |||
| K magnitude | 13.08 (0.04) | 13.08 (0.04) | |||
| u magnitude | |||||
| g magnitude | 12.02 (0.02) | ||||
| r magnitude | 12.45 (0.06) | ||||
| i magnitude | 12.80 (0.04) | ||||
| z magnitude | |||||
| G magnitude | 12.21 (0.003) | 12.24 (0.0004) | 12.21 (0.003) | ||
| BP magnitude | 12.09 (0.003) | 12.03 (0.005) | |||
| RP magnitude | 12.48 (0.004) | 12.48 (0.001) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| 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.