All names: Gaia EDR3 3083502981967969664, 2MASS J08111270+0001312, TIC 88910733, Gaia DR2 3083502981967969664, Gaia DR3 3083502981967969664, SDSSJ081112.70+000131.2, SDSS J081112.70+000131.2
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 11 12.70 (0.03) | 08 11 12.70 | 08 11 12.71 (0.03) | ||
| Declination | 00 01 31.20 (0.03) | 00 01 31.20 | 00 01 31.23 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 28137.0 (1016) | |||
| log(g) | [cgs] | 5.60 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.15 (0.04) | 1.06 (0.08) | 1.15 (0.04) | |
| Distance | [pc] | 872.60 (34) | 947.06 (69) | 872.60 (34) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.603 (0.04) | -4.742 (0.1) | -4.603 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.074 (0.04) | -1.987 (0.06) | -2.074 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.70 (0.04) | 14.70 (0.04) | |||
| H magnitude | 14.80 (0.07) | 14.80 (0.07) | |||
| K magnitude | 14.79 (0.1) | 14.79 (0.1) | |||
| u magnitude | 13.73 (0.003) | 13.73 (0.003) | |||
| g magnitude | 13.86 (0.003) | 13.86 (0.003) | |||
| r magnitude | 14.33 (0.003) | 14.33 (0.003) | |||
| i magnitude | 14.65 (0.003) | 14.65 (0.003) | |||
| z magnitude | 14.97 (0.005) | 14.97 (0.005) | |||
| G magnitude | 14.10 (0.003) | 14.12 (0.0006) | 14.10 (0.003) | ||
| BP magnitude | 13.97 (0.004) | 13.92 (0.008) | |||
| RP magnitude | 14.35 (0.004) | 14.34 (0.002) | |||
| Pan g magnitude | 13.94 (0.0009) | ||||
| Pan r magnitude | 14.34 (0.003) | ||||
| Pan i magnitude | 14.67 (0.002) | ||||
| Pan z magnitude | 14.95 (0.004) | ||||
| Pan y magnitude | 15.13 (0.006) | ||||
| E(B-V) | 0.032 | ||||
* 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.