All names: WIRED J070546.78+393453.3, UCAC4 648-043170, WISE J070546.71+393453.8, TIC 16649007, WD 0702+396, Gaia EDR3 947545965334561280, SDSS J070546.78+393453.3, [SGR2010] J0705+3934, 2MASS J07054667+3934550, WISEA J070546.71+393453.6, Gaia DR2 947545965334561280, SDSS J070546.78+393453.4
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 05 46.73 (0.09) | 07 05 46.78 | 07 05 46.72 (0.3) | 07 05 46.72 (76) | 07 05 46.90 | 07 05 46.78 | ||
| Declination | 39 34 53.02 (0.08) | 39 34 53.33 | 39 34 53.08 (0.3) | 39 34 54.49 (77) | 39 34 47.64 | 39 34 53.38 | ||
| Spectral type | DB+M3 | DB3.1+M3 | DB+M | |||||
| Effective temperature | [K] | 15750.0 (5) | ||||||
| log(g) | [cgs] | 8.41 (0.01) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 11.16 (0.08) | 11.85 (0.4) | |||||
| Distance | [pc] | 89.60 (0.6) | 84.37 (3) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 27.93599607 (0.1) | 28.92519056 (0.5) | 21.9 (4) | ||||
| Proper motion (declination) | [mas/yr] | -118.8070368 (0.08) | -116.9461414 (0.5) | -111.9 (4) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | WDMS | ||||||
| B magnitude | 15.94 (0.04) | |||||||
| V magnitude | 15.68 (0.08) | |||||||
| R magnitude | 15.86 (0.4) | |||||||
| I magnitude | ||||||||
| J magnitude | 13.13 (0.02) | |||||||
| H magnitude | 12.61 (0.02) | |||||||
| K magnitude | 12.34 (0.02) | |||||||
| u magnitude | 15.74 (0.006) | 16.47 | 16.11 (0.03) | |||||
| g magnitude | 15.84 (0.004) | 15.75 (0.07) | 17.26 | 16.51 (0.08) | ||||
| r magnitude | 16.00 (0.005) | 15.58 (0.2) | 16.98 | 16.67 (0.06) | ||||
| i magnitude | 15.74 (0.004) | 14.93 (0.03) | 24.37 | 24.37 (263) | ||||
| z magnitude | 16.50 (0.01) | 14.53 (0.005) | 17.36 | 17.25 (0.5) | ||||
| G magnitude | 15.94 (0.06) | 15.85 | ||||||
| BP magnitude | 16.07 (0.06) | 16.25 | ||||||
| RP magnitude | 14.58 (0.01) | 14.60 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.002 | |||||||
* 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.