All names: Gaia DR2 649812819420368640, 2MASS J08115271+1147260, SDSS J081152.71+114725.9, TIC 334476579, Gaia EDR3 649812819420368640
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 11 52.73 (0.08) | 08 11 52.72 | 08 11 52.73 (0.1) | 08 11 52.72 | 08 11 52.71 (0.1) | |||
| Declination | 11 47 25.35 (0.05) | 11 47 25.99 | 11 47 25.37 (0.06) | 11 47 25.98 | 11 47 26.11 (0.06) | |||
| Spectral type | WD+M | M2V | ||||||
| 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] | 6.80 (0.08) | 6.77 (0.1) | 6.77 (0.1) | ||||
| Distance | [pc] | 147.01 (2) | 147.64 (3) | 322.00 (25) | 147.64 (3) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 17.30576941 (0.09) | 17.29819466 (0.2) | 17.298 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -47.60690357 (0.06) | -47.73018637 (0.1) | -47.73 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 13.84 (0.03) | |||||||
| H magnitude | 13.27 (0.03) | |||||||
| K magnitude | 13.02 (0.03) | |||||||
| u magnitude | 19.71 (0.03) | 19.81 | 19.77 (0.05) | |||||
| g magnitude | 17.93 (0.006) | 17.95 | 17.93 (0.006) | |||||
| r magnitude | 16.86 (0.004) | 16.93 | 16.87 (0.005) | |||||
| i magnitude | 15.79 (0.004) | 15.83 | 15.79 (0.005) | |||||
| z magnitude | 15.16 (0.005) | 15.17 | 15.14 (0.005) | |||||
| G magnitude | 16.68 (0.01) | 16.68 | 16.68 (0.002) | |||||
| BP magnitude | 17.60 (0.01) | 17.55 | ||||||
| RP magnitude | 15.36 (0.003) | 15.37 | ||||||
| Pan g magnitude | 17.87 (0.01) | |||||||
| Pan r magnitude | 16.97 (0.007) | |||||||
| Pan i magnitude | 15.85 (0.004) | |||||||
| Pan z magnitude | 15.32 (0.002) | |||||||
| Pan y magnitude | 15.05 (0.004) | |||||||
| E(B-V) | 0.006 | |||||||
* 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.