All names: UCAC4 644-053498, LAMOST J162617.40+384029.9, WISE J162617.46+384029.2, TIC 39982094, 2MASS J16261752+3840291, WISEA J162617.45+384029.2
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 16 26 17.50 (104) | ||
| Declination | 38 40 29.38 (56) | ||
| Spectral type | DA+M | D+M4 | |
| 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] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -58.0 (4) | |
| Proper motion (declination) | [mas/yr] | -8.6 (4) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.87 (0.07) | ||
| V magnitude | 16.21 (0.06) | ||
| R magnitude | 15.42 (0.4) | ||
| I magnitude | |||
| J magnitude | 12.51 (0.02) | ||
| H magnitude | 11.95 (0.02) | ||
| K magnitude | 11.66 (0.02) | ||
| u magnitude | 17.36 (0.01) | ||
| g magnitude | 16.94 (0.005) | ||
| r magnitude | 16.70 (0.005) | ||
| i magnitude | 15.70 (0.005) | ||
| z magnitude | 15.11 (0.006) | ||
| G magnitude | |||
| BP magnitude | |||
| RP magnitude | |||
| 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.