All names: [SGR2010] J0843+1226, GALEX J084307.2+122610, SDSS J084307.20+122610.0, Gaia DR3 602243853298434176, WD 0840+126, Gaia EDR3 602243853298434176, TIC 333800085, SDSS J084307.27+122610.1, WIRED J084307.27+122610.1, Gaia DR2 602243853298434176, 2MASS J08430728+1226102
| 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 43 07.27 (0.2) | 08 43 07.27 | 08 43 07.27 (0.2) | 08 43 07.27 | 08 43 07.28 (0.2) | 08 43 07.03 | 08 43 07.27 | |||
| Declination | 12 26 09.92 (0.09) | 12 26 10.03 | 12 26 09.93 (0.1) | 12 26 10.10 | 12 26 10.17 (0.09) | 12 26 03.84 | 12 26 10.14 | |||
| Spectral type | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 10073.0 (194) | 6300.0 (2) | |||||||
| log(g) | [cgs] | 8.55 (0.2) | 7.15 (0.2) | |||||||
| Mass | [M☉] | 0.95 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.40 (0.2) | 4.12 (0.3) | 4.40 (0.2) | ||||||
| Distance | [pc] | 227.37 (11) | 242.74 (17) | 227.38 (11) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.19822815 (0.2) | -10.52457958 (0.5) | -10.198 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -15.58613403 (0.2) | -15.81995553 (0.3) | -15.586 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.68 (0.07) | |||||||||
| H magnitude | 14.97 (0.08) | |||||||||
| K magnitude | 14.68 (0.1) | |||||||||
| u magnitude | 19.80 (0.03) | 19.86 | 19.91 (0.05) | 19.85 | 19.88 (0.05) | |||||
| g magnitude | 19.32 (0.01) | 19.34 | 19.32 (0.01) | 19.33 | 19.33 (0.02) | |||||
| r magnitude | 19.08 (0.01) | 19.06 | 19.06 (0.01) | 19.05 | 19.06 (0.02) | |||||
| i magnitude | 18.09 (0.008) | 18.12 | 18.12 (0.009) | 18.11 | 18.13 (0.02) | |||||
| z magnitude | 17.25 (0.01) | 17.24 | 17.25 (0.02) | 17.22 | 17.26 (0.02) | |||||
| G magnitude | 18.54 (0.03) | 18.56 | 18.54 (0.003) | |||||||
| BP magnitude | 19.28 (0.03) | 19.18 | ||||||||
| RP magnitude | 17.57 (0.01) | 17.57 | ||||||||
| Pan g magnitude | 19.31 (0.01) | |||||||||
| Pan r magnitude | 19.08 (0.005) | |||||||||
| Pan i magnitude | 18.13 (0.007) | |||||||||
| Pan z magnitude | 17.42 (0.005) | |||||||||
| Pan y magnitude | 17.02 (0.01) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.