All names: GALEX J085335.9+072032, Gaia EDR3 584688088576825088, [SGR2010] J0853+0720, Gaia DR2 584688088576825088, SBC9 3363, WD 0850+075, Gaia DR3 584688088576825088, SDSS J085336.03+072033.5, 2MASS J08533603+0720334, TIC 444035337
| 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) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 53 36.06 (0.1) | 08 53 36.04 | 08 53 36.06 (0.2) | 08 53 36.04 | 08 53 36.03 (0.1) | 08 53 36.12 | |||
| Declination | 07 20 33.04 (0.07) | 07 20 33.50 | 07 20 33.05 (0.2) | 07 20 33.50 | 07 20 33.53 (0.07) | 07 20 29.76 | |||
| Spectral type | DC+M | DC+M3 | DC+M3 | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.74 (0.2) | 3.88 (0.2) | 3.74 (0.2) | |||||
| Distance | [pc] | 267.43 (11) | 257.74 (15) | 267.43 (11) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 20.36775066 (0.2) | 20.43580053 (0.4) | 20.368 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -31.15162022 (0.1) | -31.21994831 (0.3) | -31.152 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.34 (0.06) | ||||||||
| H magnitude | 14.72 (0.07) | ||||||||
| K magnitude | 14.63 (0.08) | ||||||||
| u magnitude | 19.97 (0.04) | 19.99 | 20.00 (0.05) | 20.00 | |||||
| g magnitude | 19.21 (0.01) | 19.21 | 19.22 (0.01) | 19.22 | |||||
| r magnitude | 18.52 (0.009) | 18.53 | 18.52 (0.009) | 18.52 | |||||
| i magnitude | 17.46 (0.006) | 17.47 | 17.45 (0.006) | 17.45 | |||||
| z magnitude | 16.71 (0.009) | 16.70 | 16.72 (0.009) | 16.72 | |||||
| G magnitude | 18.02 (0.03) | 18.05 | 18.02 (0.003) | ||||||
| BP magnitude | 18.99 (0.03) | 18.94 | |||||||
| RP magnitude | 17.00 (0.007) | 16.99 | |||||||
| Pan g magnitude | 19.19 (0.009) | ||||||||
| Pan r magnitude | 18.57 (0.01) | ||||||||
| Pan i magnitude | 17.48 (0.005) | ||||||||
| Pan z magnitude | 16.86 (0.007) | ||||||||
| Pan y magnitude | 16.62 (0.007) | ||||||||
| E(B-V) | 0.022 | ||||||||
* 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.