All names: TIC 396847953, Gaia DR2 597516228177015040, SDSS J085602.02+093820.9, Gaia DR3 597516228177015040, 2MASS J08560203+0938209, Gaia EDR3 597516228177015040, WD 0853+098
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 56 01.98 (0.1) | 08 56 02.02 | 08 56 01.98 (0.2) | 08 56 02.02 | 08 56 02.03 (0.1) | 08 56 02.04 | ||
| Declination | 09 38 21.08 (0.07) | 09 38 20.93 | 09 38 21.08 (0.1) | 09 38 20.90 | 09 38 20.85 (0.07) | 09 38 16.08 | ||
| Spectral type | WD+M | D?+M? | WD M | |||||
| 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] | 1.84 (0.2) | 1.92 (0.3) | 1.84 (0.2) | ||||
| Distance | [pc] | 543.73 (62) | 521.82 (76) | 1932.00 (825) | 543.74 (62) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -50.91228046 (0.2) | -50.82666146 (0.4) | -50.912 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | 14.29264319 (0.1) | 14.15149561 (0.3) | 14.293 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.73 (0.006) | |||||||
| H magnitude | 15.26 (0.006) | |||||||
| K magnitude | 14.97 (0.009) | |||||||
| u magnitude | 20.15 (0.04) | 20.12 | 20.15 (0.04) | 20.12 | ||||
| g magnitude | 19.21 (0.01) | 19.21 | 19.21 (0.01) | 19.21 | ||||
| r magnitude | 18.69 (0.009) | 18.70 | 18.69 (0.009) | 18.70 | ||||
| i magnitude | 17.60 (0.007) | 17.63 | 17.60 (0.007) | 17.62 | ||||
| z magnitude | 16.99 (0.01) | 17.03 | 17.00 (0.01) | 17.02 | ||||
| G magnitude | 18.34 (0.05) | 18.37 | 18.34 (0.003) | |||||
| BP magnitude | 19.60 (0.05) | 19.57 | ||||||
| RP magnitude | 17.23 (0.007) | 17.25 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.031 | |||||||
* 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.