All names: WD 0851+167, 2MASS J08543885+1633499, Gaia DR2 611476486796927616, Gaia EDR3 611476486796927616, SDSS J085438.86+163350.2, GALEX J085438.9+163349, TIC 46379121, Gaia DR3 611476486796927616
| 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 54 38.87 (0.2) | 08 54 38.86 | 08 54 38.87 (0.2) | 08 54 38.86 | 08 54 38.86 (0.2) | 08 54 38.28 | |||
| Declination | 16 33 50.29 (0.1) | 16 33 50.29 | 16 33 50.29 (0.1) | 16 33 50.18 | 16 33 50.22 (0.1) | 16 33 44.64 | |||
| 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] | 1.70 (0.2) | 1.75 (0.3) | 1.70 (0.2) | |||||
| Distance | [pc] | 587.58 (78) | 570.97 (103) | 202.00 (4) | 587.58 (78) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 11.90948218 (0.2) | 12.13381003 (0.5) | 11.909 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | 4.543571342 (0.2) | 4.421938007 (0.4) | 4.544 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.30 (0.1) | ||||||||
| H magnitude | 15.45 (0.1) | ||||||||
| K magnitude | |||||||||
| u magnitude | 20.58 (0.07) | 20.51 | 20.48 (0.07) | 20.51 | |||||
| g magnitude | 19.78 (0.01) | 19.81 | 19.81 (0.01) | 19.81 | |||||
| r magnitude | 18.78 (0.01) | 18.75 | 18.76 (0.01) | 18.75 | |||||
| i magnitude | 18.03 (0.009) | 18.03 | 18.04 (0.008) | 18.02 | |||||
| z magnitude | 17.60 (0.02) | 17.64 | 17.61 (0.02) | 17.63 | |||||
| G magnitude | 18.63 (0.03) | 18.64 | 18.63 (0.003) | ||||||
| BP magnitude | 19.47 (0.03) | 19.38 | |||||||
| RP magnitude | 17.63 (0.01) | 17.62 | |||||||
| Pan g magnitude | 19.67 (0.02) | ||||||||
| Pan r magnitude | 18.79 (0.006) | ||||||||
| Pan i magnitude | 18.05 (0.01) | ||||||||
| Pan z magnitude | 17.70 (0.008) | ||||||||
| Pan y magnitude | 17.49 (0.02) | ||||||||
| E(B-V) | 0.027 | ||||||||
* 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.