All names: LAMOST J161713.52+215517.5, WISEA J161713.52+215518.3, WISE J161713.52+215518.4, Gaia EDR3 1205458712803207296, 2MASS J16171348+2155180, UCAC4 560-057311, GALEX J161713.6+215517, TIC 135272255
| Parameter | Unit | Gaia EDR3 | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 16 17 10.36 (0.09) | 16 17 13.52 (21) | ||
| Declination | 21 54 13.61 (0.1) | 21 55 17.59 (29) | ||
| Spectral type | DA+M | DA+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] | 2.69 (0.2) | ||
| Distance | [pc] | 371.86 (25) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -26.144 (0.1) | 39.7 (2) | |
| Proper motion (declination) | [mas/yr] | 19.952 (0.2) | 37.9 (2) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.65 (0.01) | |||
| V magnitude | 14.26 (0.01) | |||
| R magnitude | 14.05 (0.05) | |||
| I magnitude | ||||
| J magnitude | 10.94 (0.02) | |||
| H magnitude | 10.37 (0.02) | |||
| K magnitude | 10.13 (0.02) | |||
| u magnitude | 17.11 (0.01) | |||
| g magnitude | 15.86 (0.003) | |||
| r magnitude | 14.49 (0.003) | |||
| i magnitude | 13.08 (0.003) | |||
| z magnitude | 12.37 (0.003) | |||
| G magnitude | 18.67 (0.003) | |||
| BP magnitude | 18.72 (0.02) | |||
| RP magnitude | 18.65 (0.03) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | ||||
* 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.