All names: UCAC4 284-213981, PM J23540-3316N, L 577-72, LHS 4039, LP 936-12, LTT 9769, 2MASS J23540109-3316242, WDS J23541-3317A, UCAC3 114-490550, PPMX J235401.0-331624, DENIS J235401.0-331624, ** LDS 826A, ** SOZ 2A
| Parameter | Unit | Subasavage et al. 2009 | Simbad |
|---|---|---|---|
| Right ascension | 23 54 01.11 | 23 54 01.09 | |
| Declination | -33 16 22.70 | -33 16 24.20 | |
| Spectral type | M4V | ||
| 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] | 44.24 | |
| Distance | [pc] | 22.60 | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -317.3 | |
| Proper motion (declination) | [mas/yr] | -406.1 | |
| Variability | |||
| Magnetic | |||
| Db | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.00 | ||
| V magnitude | 12.80 | ||
| R magnitude | 13.27 | ||
| I magnitude | 10.84 | ||
| J magnitude | 9.48 | 9.48 | |
| H magnitude | 8.91 | 8.91 | |
| K magnitude | 8.61 | 8.61 | |
| 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.