All names: Gaia EDR3 717726109320066688, SDSS J084306.15+362724.3, GALEX J084306.2+362724, SDSS J084306.16+362724.4, 2MASS J08430616+3627243, TIC 99090506, Gaia DR2 717726109320066688, WD 0839+366, Gaia DR3 717726109320066688
| 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 43 06.15 (0.2) | 08 43 06.15 | 08 43 06.15 (0.2) | 08 43 06.16 | 08 43 06.16 (0.2) | 08 43 05.47 | |||
| Declination | 36 27 24.31 (0.1) | 36 27 24.37 | 36 27 24.31 (0.2) | 36 27 24.41 | 36 27 24.37 (0.1) | 36 27 23.04 | |||
| 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] | 2.07 (0.2) | 3.07 (0.3) | 2.07 (0.2) | |||||
| Distance | [pc] | 483.61 (49) | 325.59 (28) | 1255.00 (226) | 483.61 (49) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.578814437 (0.2) | -0.777166447 (0.4) | -4.579 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -3.399680313 (0.2) | -5.946088564 (0.4) | -3.4 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.08 (0.08) | ||||||||
| H magnitude | 15.33 (0.08) | ||||||||
| K magnitude | 15.15 (0.1) | ||||||||
| u magnitude | 20.56 (0.05) | 20.63 | 20.56 (0.05) | 20.62 | |||||
| g magnitude | 19.31 (0.01) | 19.35 | 19.32 (0.01) | 19.34 | |||||
| r magnitude | 18.21 (0.008) | 18.23 | 18.21 (0.008) | 18.23 | |||||
| i magnitude | 17.56 (0.007) | 17.57 | 17.56 (0.007) | 17.56 | |||||
| z magnitude | 17.16 (0.01) | 17.15 | 17.15 (0.01) | 17.14 | |||||
| G magnitude | 18.17 (0.02) | 18.16 | 18.17 (0.004) | ||||||
| BP magnitude | 18.94 (0.02) | 18.95 | |||||||
| RP magnitude | 17.18 (0.006) | 17.18 | |||||||
| Pan g magnitude | 19.19 (0.01) | ||||||||
| Pan r magnitude | 18.21 (0.007) | ||||||||
| Pan i magnitude | 17.56 (0.004) | ||||||||
| Pan z magnitude | 17.25 (0.005) | ||||||||
| Pan y magnitude | 17.08 (0.005) | ||||||||
| E(B-V) | 0.026 | ||||||||
* 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.