All names: WD 0849+192, SDSS J085226.45+190402.8, Gaia EDR3 660631219268003968, SDSS J085226.44+190402.8, Gaia DR2 660631219268003968, Gaia DR3 660631219268003968, USNO-B1.0 1090-00169440
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 52 26.44 (0.3) | 08 52 26.44 (0.4) | 08 52 26.45 (0.3) | 08 52 25.80 | |||
| Declination | 19 04 02.28 (0.2) | 19 04 02.31 (0.2) | 19 04 03.14 (0.2) | 19 04 03.72 | |||
| Spectral type | DC | ? | DC | ||||
| 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] | 3.38 (0.3) | 3.34 (0.5) | 3.38 (0.3) | |||
| Distance | [pc] | 295.94 (31) | 299.71 (41) | 295.94 (31) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -5.973352062 (0.4) | -6.681096685 (0.8) | -5.973 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -53.66974981 (0.3) | -53.55524522 (0.5) | -53.67 (0.3) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 20.00 | ||||||
| V magnitude | |||||||
| R magnitude | 19.60 | ||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 19.84 (0.04) | ||||||
| g magnitude | 19.62 (0.01) | ||||||
| r magnitude | 19.73 (0.02) | ||||||
| i magnitude | 19.89 (0.03) | ||||||
| z magnitude | 20.03 (0.09) | ||||||
| G magnitude | 19.66 (0.03) | 19.71 | 19.66 (0.004) | ||||
| BP magnitude | 19.72 (0.03) | 19.68 | |||||
| RP magnitude | 19.55 (0.05) | 19.55 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.019 | ||||||
* 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.