All names: SDSS J171611.14+544346.4, 2MASS J17161108+5443458, Gaia DR3 1420343485764939904, SDSS J171611.13+544346.5, [SGR2010] J1716+5443, WIRED J171611.13+544346.4, Gaia EDR3 1420343485764939904, Gaia DR2 1420343485764939904, [HHD2009] SDSS J1716+5443, WD 1715+547, SDSS J171611.15+544346.4, TIC 198410445, SDSS J171611.13+544346.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 16 11.16 (0.8) | 17 16 11.14 | 17 16 11.16 (0.7) | 17 16 11.13 | 17 16 11.15 (0.8) | 17 16 11.15 | 17 16 10.99 | 17 16 11.13 | |||
| Declination | 54 43 46.20 (0.7) | 54 43 46.40 | 54 43 46.20 (0.7) | 54 43 46.42 | 54 43 46.46 (0.7) | 54 43 46.41 | 54 43 41.52 | 54 43 46.45 | |||
| Spectral type | DA+M | DA+M | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 19652.0 (798) | 6876.0 (49) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.96 (0.1) | 5.00 (0.008) | 5.03 (0.04) | |||||||
| Mass | [M☉] | 0.6 (0.09) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.29 (0.8) | -1.69 (0.7) | 1.29 (0.8) | |||||||
| Distance | [pc] | 777.08 (498) | 1075.00 (163) | 777.06 (498) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.51285935 (1) | 8.017566431 (2) | 5.513 (1) | 9.1 | ||||||
| Proper motion (declination) | [mas/yr] | -16.537957 (1) | -22.2221369 (2) | -16.538 (1) | -25.4 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.37 (0.1) | ||||||||||
| H magnitude | 16.00 (0.2) | ||||||||||
| K magnitude | 15.44 (0.2) | ||||||||||
| u magnitude | 19.35 (0.02) | 19.41 | 19.38 (0.03) | 19.41 (0.03) | 19.40 | 19.37 (0.03) | |||||
| g magnitude | 19.06 (0.009) | 19.05 | 19.05 (0.01) | 19.05 (0.02) | 19.07 | 19.05 (0.02) | |||||
| r magnitude | 18.83 (0.01) | 18.83 | 18.83 (0.01) | 18.83 (0.02) | 18.84 | 18.83 (0.02) | |||||
| i magnitude | 18.10 (0.008) | 18.09 | 18.09 (0.008) | 18.09 (0.02) | 18.09 | 18.09 (0.02) | |||||
| z magnitude | 17.57 (0.02) | 17.60 | 17.59 (0.02) | 17.60 (0.03) | 17.60 | 17.60 (0.03) | |||||
| G magnitude | 18.71 (0.03) | 18.63 | 18.71 (0.01) | ||||||||
| BP magnitude | 19.03 (0.03) | 18.99 | |||||||||
| RP magnitude | 17.71 (0.01) | 17.70 | |||||||||
| Pan g magnitude | 19.07 (0.01) | ||||||||||
| Pan r magnitude | 18.86 (0.004) | ||||||||||
| Pan i magnitude | 18.14 (0.007) | ||||||||||
| Pan z magnitude | 17.70 (0.006) | ||||||||||
| 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.