All names: 2MASS J08463721+2636186, Gaia DR2 691251930906847360, Gaia DR3 691251930906847360, TIC 117355020, [HHD2009] SDSS J0846+2636, SDSS J084637.20+263618.1, WIRED J084637.20+263618.1, SDSS J084637.19+263618.1, WD 0843+267, SDSS J084637.20+263618.0, Gaia EDR3 691251930906847360
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 46 37.20 (0.7) | 08 46 37.20 | 08 46 37.20 (0.7) | 08 46 37.19 | 08 46 37.20 (0.7) | 08 46 36.98 | 08 46 37.20 | |||
| Declination | 26 36 18.04 (0.4) | 26 36 18.15 | 26 36 18.04 (0.4) | 26 36 18.11 | 26 36 18.17 (0.4) | 26 36 16.92 | 26 36 18.12 | |||
| Spectral type | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 23613.0 (1377) | 7771.0 (95) | |||||||
| log(g) | [cgs] | 7.70 (0.2) | 7.65 (0.2) | |||||||
| Mass | [M☉] | 0.48 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.93 (0.9) | 1.26 (0.8) | 2.94 (0.9) | ||||||
| Distance | [pc] | 340.72 (106) | 792.85 (524) | 486.00 (48) | 340.72 (106) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.735676619 (0.8) | 7.221893428 (1) | 1.736 (0.8) | ||||||
| Proper motion (declination) | [mas/yr] | -8.025954876 (0.7) | -15.17049543 (0.8) | -8.026 (0.7) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.98 (0.01) | |||||||||
| H magnitude | 16.30 (0.2) | |||||||||
| K magnitude | 15.91 (0.1) | |||||||||
| u magnitude | 19.55 (0.03) | 19.54 | 19.51 (0.03) | 19.53 | 19.53 (0.04) | |||||
| g magnitude | 19.35 (0.01) | 19.35 | 19.35 (0.01) | 19.34 | 19.34 (0.02) | |||||
| r magnitude | 19.44 (0.01) | 19.39 | 19.38 (0.01) | 19.38 | 19.38 (0.02) | |||||
| i magnitude | 18.81 (0.01) | 18.84 | 18.82 (0.01) | 18.83 | 18.83 (0.02) | |||||
| z magnitude | 18.19 (0.02) | 18.25 | 18.24 (0.03) | 18.24 | 18.25 (0.03) | |||||
| G magnitude | 19.23 (0.03) | 19.16 | 19.23 (0.008) | |||||||
| BP magnitude | 19.45 (0.03) | 19.39 | ||||||||
| RP magnitude | 18.37 (0.02) | 18.38 | ||||||||
| Pan g magnitude | 19.41 (0.01) | |||||||||
| Pan r magnitude | 19.41 (0.005) | |||||||||
| Pan i magnitude | 18.84 (0.01) | |||||||||
| Pan z magnitude | 18.37 (0.009) | |||||||||
| Pan y magnitude | 18.13 (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.