All names: [SGR2010] J0852+0713, WD 0849+074, SDSS J085223.76+071326.1, Gaia DR2 584683076350143232, SDSS J085223.75+071326.0, Gaia DR3 584683076350143232, TIC 459057030, Gaia EDR3 584683076350143232, 2MASS J08522373+0713256
| 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 52 23.76 (0.2) | 08 52 23.75 | 08 52 23.76 (0.3) | 08 52 23.76 | 08 52 23.75 (0.2) | 08 52 23.04 | 08 52 23.76 | |||
| Declination | 07 13 25.77 (0.1) | 07 13 26.03 | 07 13 25.78 (0.2) | 07 13 26.08 | 07 13 26.04 (0.1) | 07 13 21.72 | 07 13 26.06 | |||
| Spectral type | DA+M | DA+M4 | DA4.8+M4 | DA+M | ||||||
| Effective temperature | [K] | 10793.0 (498) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.50 (0.4) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.92 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.61 (0.3) | 1.47 (0.3) | 1.61 (0.3) | ||||||
| Distance | [pc] | 621.34 (99) | 681.78 (155) | 382.00 (115) | 621.35 (99) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.14828904 (0.3) | 11.80865017 (0.5) | 11.148 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -16.97419664 (0.2) | -18.79010107 (0.3) | -16.974 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.40 (0.1) | |||||||||
| H magnitude | 15.93 (0.2) | |||||||||
| K magnitude | 15.34 (0.1) | |||||||||
| u magnitude | 21.04 (0.09) | 21.01 | 21.03 (0.1) | 21.03 | 21.01 (0.1) | |||||
| g magnitude | 20.18 (0.02) | 20.20 | 20.18 (0.02) | 20.18 | 20.20 (0.02) | |||||
| r magnitude | 19.59 (0.02) | 19.60 | 19.58 (0.02) | 19.58 | 19.60 (0.02) | |||||
| i magnitude | 18.49 (0.01) | 18.51 | 18.49 (0.01) | 18.49 | 18.51 (0.02) | |||||
| z magnitude | 17.71 (0.02) | 17.74 | 17.71 (0.02) | 17.71 | 17.74 (0.03) | |||||
| G magnitude | 19.05 (0.04) | 19.09 | 19.05 (0.003) | |||||||
| BP magnitude | 20.00 (0.04) | 19.99 | ||||||||
| RP magnitude | 18.00 (0.01) | 18.00 | ||||||||
| Pan g magnitude | 20.14 (0.02) | |||||||||
| Pan r magnitude | 19.61 (0.007) | |||||||||
| Pan i magnitude | 18.47 (0.005) | |||||||||
| Pan z magnitude | 17.86 (0.006) | |||||||||
| Pan y magnitude | 17.54 (0.01) | |||||||||
| E(B-V) | 0.033 | |||||||||
* 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.