All names: 2MASS J08561241+1437570, SDSS J085612.42+143756.9, SDSS J085612.48+143757.0, Gaia EDR3 608789486537441664, WISEA J085612.40+143756.7, SDSS J085612.41+143756.8, WISE J085612.41+143756.7, Gaia DR3 608789486537441664, WD 0853+148, TIC 46385216, Gaia DR2 608789486537441664
| Parameter | Unit | Gaia EDR3 | 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 56 12.41 (0.2) | 08 56 12.41 | 08 56 12.41 (0.3) | 08 56 12.41 | 08 56 12.42 (0.2) | 08 56 12.43 | 08 56 12.42 | ||
| Declination | 14 37 56.46 (0.1) | 14 37 56.89 | 14 37 56.48 (0.2) | 14 37 56.78 | 14 37 57.08 (0.1) | 14 37 51.60 | 14 37 56.88 | ||
| Spectral type | DA+M | dM | DA d | DA+M | |||||
| Effective temperature | [K] | 11565.0 (1272) | 6306.0 (11) | ||||||
| log(g) | [cgs] | 7.04 (0.7) | 5.05 (0.06) | ||||||
| Mass | [M☉] | 0.24 (0.2) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.55 (0.3) | 2.75 (0.5) | 2.55 (0.3) | |||||
| Distance | [pc] | 392.74 (47) | 363.64 (64) | 392.74 (47) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.13114006 (0.3) | -3.853319417 (0.7) | -4.131 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -38.86466904 (0.2) | -39.35361922 (0.4) | -38.865 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.09 (0.08) | ||||||||
| H magnitude | 15.61 (0.1) | ||||||||
| K magnitude | 15.46 (0.1) | ||||||||
| u magnitude | 22.22 (0.2) | 23.78 | 22.22 (0.2) | 23.77 | 23.73 (0.9) | ||||
| g magnitude | 22.02 (0.08) | 25.11 | 22.02 (0.08) | 25.11 | 25.08 (0.5) | ||||
| r magnitude | 19.82 (0.02) | 19.84 | 19.82 (0.02) | 19.84 | 19.81 (0.07) | ||||
| i magnitude | 18.23 (0.009) | 18.30 | 18.23 (0.009) | 18.29 | 18.27 (0.02) | ||||
| z magnitude | 17.47 (0.01) | 17.55 | 17.46 (0.01) | 17.54 | 17.52 (0.02) | ||||
| G magnitude | 18.97 (0.04) | 19.00 | 18.97 (0.004) | ||||||
| BP magnitude | 19.34 (0.04) | 19.04 | |||||||
| RP magnitude | 17.60 (0.01) | 17.57 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.024 | ||||||||
* 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.