All names: GAMA 725665, TIC 262586138, WISE J084833.59+005839.8, Gaia EDR3 3075529048765595904, Gaia DR2 3075529048765595904, GAMA J084833.59+005840.0, WD 0845+011, 2MASS J08483360+0058399, SDSS J084833.60+005840.0, SDSS J084833.59+005840.0, [HHD2009] SDSS J0848+0058, WISEA J084833.58+005839.8, [SGR2010] J0848+0058, WIRED J084833.59+005840.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 48 33.59 (0.2) | 08 48 33.60 | 08 48 33.59 (0.3) | 08 48 33.59 | 08 48 33.60 | 08 48 33.60 | 08 48 32.66 | 08 48 33.60 | |||
| Declination | 00 58 39.93 (0.1) | 00 58 40.05 | 00 58 39.92 (0.2) | 00 58 40.01 | 00 58 40.05 | 00 58 40.01 | 00 58 33.96 | 00 58 40.03 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA6+M | DA+M | ||||||
| Effective temperature | [K] | 18120.0 (644) | 6300.0 (1) | 6300.0 (2) | |||||||
| log(g) | [cgs] | 8.10 (0.1) | 7.00 (0.1) | 5.46 (0.4) | |||||||
| Mass | [M☉] | 0.68 (0.09) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.89 (0.2) | 3.05 (0.3) | ||||||||
| Distance | [pc] | 345.54 (28) | 328.35 (28) | 1310.00 (238) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.1229146 (0.3) | -9.680244191 (0.5) | -10.0 (3) | -10.0 | ||||||
| Proper motion (declination) | [mas/yr] | 7.870423759 (0.2) | 7.524292821 (0.3) | 1.0 (3) | -0.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.65 (0.08) | ||||||||||
| H magnitude | 14.99 (0.1) | ||||||||||
| K magnitude | 14.83 (0.1) | ||||||||||
| u magnitude | 19.08 (0.02) | 19.13 | 19.08 (0.02) | 19.13 (0.03) | 19.13 | 19.14 (0.03) | |||||
| g magnitude | 18.72 (0.008) | 18.76 | 18.71 (0.008) | 18.76 (0.01) | 18.76 | 18.77 (0.01) | |||||
| r magnitude | 18.42 (0.008) | 18.51 | 18.42 (0.008) | 18.51 (0.02) | 18.52 | 18.51 (0.02) | |||||
| i magnitude | 17.55 (0.006) | 17.61 | 17.55 (0.006) | 17.61 (0.01) | 17.61 | 17.61 (0.01) | |||||
| z magnitude | 16.92 (0.01) | 16.95 | 16.92 (0.01) | 16.95 (0.01) | 16.95 | 16.95 (0.01) | |||||
| G magnitude | 18.52 (0.02) | 18.50 | |||||||||
| BP magnitude | 18.69 (0.02) | 18.60 | |||||||||
| RP magnitude | 17.15 (0.008) | 17.16 | |||||||||
| Pan g magnitude | 18.77 (0.01) | ||||||||||
| Pan r magnitude | 18.49 (0.004) | ||||||||||
| Pan i magnitude | 17.61 (0.005) | ||||||||||
| Pan z magnitude | 17.08 (0.009) | ||||||||||
| Pan y magnitude | 16.82 (0.007) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* 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.