All names: SDSS J082507.19+200637.5, 2MASS J08250719+2006375, LAMOST J082507.19+200637.5, SDSS J082507.19+200637.6, Ton 914, GALEX J082507.2+200636, EPIC 211991114, LAMOST J082507.19+200637.4, UCAC4 551-044262, SDSSJ082507.19+200637.5, Gaia DR3 663802902294594944, TIC 14602149, UBV M 43174, Gaia DR2 663802902294594944, GEN# +6.10070914
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 25 07.19 | 08 25 07.20 (0.02) | ||
| Declination | 20 06 37.61 | 20 06 37.58 (0.02) | ||
| Spectral type | sd | sdOB+F6V | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.48 (0.05) | 0.53 (0.03) | |
| Distance | [pc] | 2094.24 (201) | 1903.31 (103) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.095 (0.08) | 1.079 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.572 (0.05) | -2.653 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.05 (0.05) | |||
| V magnitude | 15.00 (0.01) | |||
| R magnitude | 15.13 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.40 (0.03) | 14.40 (0.03) | ||
| H magnitude | 14.24 (0.04) | 14.24 (0.04) | ||
| K magnitude | 14.17 (0.05) | 14.17 (0.05) | ||
| u magnitude | 15.04 (0.004) | 15.04 (0.004) | ||
| g magnitude | 14.89 (0.003) | 14.89 (0.003) | ||
| r magnitude | 14.93 (0.003) | 14.93 (0.003) | ||
| i magnitude | 14.97 (0.004) | 14.98 (0.004) | ||
| z magnitude | 15.06 (0.005) | 15.06 (0.005) | ||
| G magnitude | 14.86 (0.0004) | 14.84 (0.003) | ||
| BP magnitude | 14.90 (0.004) | |||
| RP magnitude | 14.67 (0.002) | |||
| Pan g magnitude | 14.93 (0.006) | |||
| Pan r magnitude | 14.95 (0.001) | |||
| Pan i magnitude | 15.00 (0.003) | |||
| Pan z magnitude | 15.08 (0.003) | |||
| Pan y magnitude | 15.12 (0.007) | |||
| E(B-V) | 0.033 | |||
* 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.