All names: LAMOSTJ072535.25+815051.7, Gaia DR3 1142701823200960512, FBS B 1052, LAMOST J072535.26+815051.6, WISE J072535.23+815051.7, UCAC4 860-005499, 2MASS J07253523+8150515, Gaia DR2 1142701823200960512, TIC 141661669, FBS 0715+819, Gaia EDR3 1142701823200960512
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 25 35.27 (0.03) | 07 25 35.26 | 07 25 35.25 (0.03) | ||
| Declination | 81 50 51.73 (0.03) | 81 50 51.70 | 81 50 51.72 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 36490.0 (140) | |||
| log(g) | [cgs] | 5.82 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.79 (0.03) | 0.81 (0.04) | 0.79 (0.03) | |
| Distance | [pc] | 1270.97 (53) | 1239.62 (60) | 1270.97 (53) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.039 (0.04) | 3.002 (0.06) | 3.039 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.373 (0.04) | 0.535 (0.07) | 0.373 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.78 (0.06) | ||||
| V magnitude | 15.05 (0.06) | ||||
| R magnitude | 15.28 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.52 (0.06) | 15.52 (0.06) | |||
| H magnitude | 15.98 (0.2) | 15.98 (0.2) | |||
| K magnitude | 16.10 | ||||
| u magnitude | |||||
| g magnitude | 14.82 (0.04) | ||||
| r magnitude | 15.30 (0.07) | ||||
| i magnitude | 15.62 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 15.03 (0.003) | 15.05 (0.0007) | 15.03 (0.003) | ||
| BP magnitude | 14.90 (0.003) | 14.85 (0.008) | |||
| RP magnitude | 15.30 (0.004) | 15.30 (0.003) | |||
| Pan g magnitude | 14.90 (0.002) | ||||
| Pan r magnitude | 15.28 (0.002) | ||||
| Pan i magnitude | 15.64 (0.002) | ||||
| Pan z magnitude | 15.90 (0.005) | ||||
| Pan y magnitude | 16.08 (0.006) | ||||
| E(B-V) | 0.039 | ||||
* 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.