All names: WISEA J080939.97+125121.4, WD 0806+130, SDSS J080939.99+125122.2, WISE J080939.98+125121.4, 2MASS J08093996+1251220, SDSS J080939.98+125122.1, SDSS J080940.08+125122.3, WIRED J080939.98+125122.1, Gaia EDR3 650179300389232128, TIC 27510048
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 09 40.00 (0.4) | 08 09 39.99 | 08 09 39.98 | 08 09 39.99 | 08 09 39.74 | 08 09 39.99 | |||
| Declination | 12 51 22.12 (0.4) | 12 51 22.18 | 12 51 22.10 | 12 51 22.18 | 12 51 19.80 | 12 51 22.19 | |||
| Spectral type | DA+M | DA+M | DA d | DA+M | |||||
| Effective temperature | [K] | 16149.0 (571) | 8730.0 (68) | ||||||
| log(g) | [cgs] | 7.70 (0.1) | 7.42 (0.1) | ||||||
| Mass | [M☉] | 0.46 (0.07) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.39 (0.5) | |||||||
| Distance | [pc] | 418.44 (83) | 337.00 (57) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.729364598 (0.6) | |||||||
| Proper motion (declination) | [mas/yr] | -16.59519729 (0.5) | |||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.53 (0.1) | ||||||||
| H magnitude | 15.83 (0.07) | ||||||||
| K magnitude | 15.43 (0.1) | ||||||||
| u magnitude | 19.46 (0.03) | 19.48 | 19.46 (0.03) | 19.47 | 19.46 (0.03) | ||||
| g magnitude | 19.10 (0.01) | 19.22 | 19.10 (0.01) | 19.21 | 19.21 (0.02) | ||||
| r magnitude | 19.05 (0.01) | 19.33 | 19.05 (0.01) | 19.32 | 19.32 (0.01) | ||||
| i magnitude | 18.50 (0.01) | 18.76 | 18.50 (0.01) | 18.76 | 18.76 (0.02) | ||||
| z magnitude | 17.94 (0.02) | 18.08 | 17.94 (0.02) | 18.08 | 18.08 (0.03) | ||||
| G magnitude | 19.42 (0.04) | ||||||||
| BP magnitude | 19.24 (0.04) | ||||||||
| RP magnitude | 18.14 (0.02) | ||||||||
| Pan g magnitude | 19.18 (0.008) | ||||||||
| Pan r magnitude | 19.21 (0.009) | ||||||||
| Pan i magnitude | 18.63 (0.01) | ||||||||
| Pan z magnitude | 18.18 (0.009) | ||||||||
| Pan y magnitude | 17.93 (0.01) | ||||||||
| E(B-V) | 0.020 | ||||||||
* 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.