All names: 2MASS J07401922-1724449, CCDM J07402-1725B, CSI-17-07380, GJ 283 B, IDS 07357-1710 B, L 745-46 B, LFT 544, LHS 234, LP 783-2, LTT 2916, NLTT 18270, Zkh 110, [RHG95] 1215, WDS J07402-1724C, ** LUY 5693B, UCAC3 146-71176, UCAC4 363-032819, DENIS J074019.2-172445
| Parameter | Unit | Subasavage et al. 2009 | Simbad |
|---|---|---|---|
| Right ascension | 07 40 19.36 | 07 40 19.22 | |
| Declination | -17 24 46.00 | -17 24 45.00 | |
| Spectral type | M6.5V | ||
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| Parallax | [mas] | 109.87 | |
| Distance | [pc] | 9.10 | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 1143 | |
| Proper motion (declination) | [mas/yr] | -553.0 | |
| Variability | |||
| Magnetic | |||
| Db | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.60 | ||
| V magnitude | 16.70 | ||
| R magnitude | 14.70 | ||
| I magnitude | 12.37 | ||
| J magnitude | 10.16 | 10.15 | |
| H magnitude | 9.63 | 9.63 | |
| K magnitude | 9.29 | 9.29 | |
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude |
* Constant surface field
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.