All names: SDSS J080758.25+272434.3, LAMOST J080758.25+272434.3, TIC 95661874, Gaia DR3 683766356962547840, 2MASS J08075825+2724342, Gaia DR2 683766356962547840, SDSSJ080758.25+272434.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 07 58.26 | 08 07 58.25 (0.04) | ||
| Declination | 27 24 34.34 | 27 24 34.38 (0.03) | ||
| Spectral type | sdOB | sdOHe2 | ||
| Effective temperature | [K] | 41852.0 (264) | ||
| log(g) | [cgs] | 5.50 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.70 (0.07) | 0.74 (0.05) | |
| Distance | [pc] | 1422.88 (143) | 1349.35 (93) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.712 (0.1) | 4.83 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.837 (0.07) | -0.928 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.83 (0.03) | 14.83 (0.004) | ||
| H magnitude | 14.88 (0.05) | 14.94 (0.009) | ||
| K magnitude | 14.99 (0.09) | 15.07 (0.01) | ||
| u magnitude | 13.48 (0.003) | 13.48 (0.003) | ||
| g magnitude | 13.80 (0.003) | 13.80 (0.003) | ||
| r magnitude | 14.35 (0.003) | 14.35 (0.003) | ||
| i magnitude | 14.70 (0.003) | 14.70 (0.003) | ||
| z magnitude | 15.04 (0.005) | 15.04 (0.005) | ||
| G magnitude | 14.11 (0.0008) | 14.09 (0.003) | ||
| BP magnitude | 13.83 (0.008) | |||
| RP magnitude | 14.39 (0.003) | |||
| Pan g magnitude | 13.89 (0.003) | |||
| Pan r magnitude | 14.37 (0.001) | |||
| Pan i magnitude | 14.73 (0.002) | |||
| Pan z magnitude | 15.03 (0.002) | |||
| Pan y magnitude | 15.22 (0.005) | |||
| 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.