All names: Gaia DR2 578061297637038208, SDSS J085631.57+030554.7, WIRED J085631.57+030554.7, GALEX J085631.5+030554, TIC 265403055, WD 0853+032, Gaia DR3 578061297637038208, SDSS J085631.58+030554.7, 2MASS J08563156+0305547, [SGR2010] J0856+0305, Gaia EDR3 578061297637038208
| 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 56 31.58 (0.2) | 08 56 31.58 | 08 56 31.58 (0.2) | 08 56 31.58 | 08 56 31.58 (0.2) | 08 56 31.44 | 08 56 31.58 | |||
| Declination | 03 05 54.65 (0.09) | 03 05 54.71 | 03 05 54.65 (0.1) | 03 05 54.71 | 03 05 54.67 (0.09) | 03 05 50.28 | 03 05 54.70 | |||
| Spectral type | DA+M | DA+M5 | DA2.7+M5 | DA+M | ||||||
| Effective temperature | [K] | 18542.0 (296) | 9258.0 (36) | |||||||
| log(g) | [cgs] | 7.90 (0.06) | 7.86 (0.05) | |||||||
| Mass | [M☉] | 0.56 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.04 (0.2) | 2.20 (0.3) | 2.04 (0.2) | ||||||
| Distance | [pc] | 489.23 (53) | 454.92 (62) | 528.00 (21) | 489.24 (53) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.23974438 (0.2) | 2.946668035 (0.5) | 3.24 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -1.268551543 (0.2) | -1.03380901 (0.3) | -1.269 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.29 (0.02) | |||||||||
| H magnitude | 15.75 (0.01) | |||||||||
| K magnitude | 15.51 (0.02) | |||||||||
| u magnitude | 19.35 (0.03) | 19.37 | 19.35 (0.03) | 19.35 | 19.37 (0.03) | |||||
| g magnitude | 19.08 (0.01) | 19.10 | 19.08 (0.01) | 19.08 | 19.10 (0.02) | |||||
| r magnitude | 19.10 (0.01) | 19.14 | 19.11 (0.01) | 19.11 | 19.14 (0.02) | |||||
| i magnitude | 18.45 (0.01) | 18.47 | 18.45 (0.01) | 18.45 | 18.47 (0.02) | |||||
| z magnitude | 17.75 (0.02) | 17.77 | 17.75 (0.02) | 17.75 | 17.77 (0.02) | |||||
| G magnitude | 18.74 (0.05) | 18.75 | 18.74 (0.003) | |||||||
| BP magnitude | 19.40 (0.05) | 19.14 | ||||||||
| RP magnitude | 18.28 (0.06) | 17.99 | ||||||||
| Pan g magnitude | 19.08 (0.004) | |||||||||
| Pan r magnitude | 19.15 (0.006) | |||||||||
| Pan i magnitude | 18.49 (0.005) | |||||||||
| Pan z magnitude | 17.95 (0.008) | |||||||||
| Pan y magnitude | 17.60 (0.01) | |||||||||
| E(B-V) | 0.035 | |||||||||
* 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.