All names: TIC 458654848, SDSS J083711.50+093828.9, 2MASS J08371150+0938290, Gaia DR2 599730683251019648, Gaia DR3 599730683251019648, Gaia EDR3 599730683251019648
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 37 11.49 (0.3) | 08 37 11.50 | 08 37 11.49 (0.4) | 08 37 11.50 (0.3) | 08 37 11.50 | ||
| Declination | 09 38 28.61 (0.2) | 09 38 28.78 | 09 38 28.62 (0.3) | 09 38 29.04 (0.2) | 09 38 28.92 | ||
| Spectral type | DA+M | DA+M | |||||
| Effective temperature | [K] | 6300.0 (2) | |||||
| log(g) | [cgs] | 5.31 (0.3) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.90 (0.4) | 3.73 (0.5) | 3.90 (0.4) | |||
| Distance | [pc] | 256.62 (26) | 268.24 (34) | 256.62 (26) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -14.41440359 (0.4) | -14.38084804 (0.8) | -14.414 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -26.77316079 (0.3) | -27.03793913 (0.5) | -26.773 (0.3) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | ||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.44 (0.1) | ||||||
| H magnitude | 15.77 (0.1) | ||||||
| K magnitude | 15.66 (0.2) | ||||||
| u magnitude | 24.75 (0.7) | 23.86 (0.9) | 23.86 (0.9) | ||||
| g magnitude | 21.46 (0.05) | 22.09 (0.09) | 22.09 (0.09) | ||||
| r magnitude | 20.07 (0.02) | 20.14 (0.03) | 20.14 (0.03) | ||||
| i magnitude | 18.64 (0.01) | 18.60 (0.03) | 18.60 (0.03) | ||||
| z magnitude | 17.88 (0.02) | 17.87 (0.02) | 17.87 (0.02) | ||||
| G magnitude | 19.31 (0.1) | 19.37 | 19.31 (0.004) | ||||
| BP magnitude | 20.69 (0.1) | 20.57 | |||||
| RP magnitude | 18.13 (0.02) | 18.08 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.019 | ||||||
* 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.