All names: NLTT 27173, SDSS J112215.84+283942.2, SDSS J112215.85+283942.3, Gaia DR2 4022081429247669632, 2MASS J11221594+2839426, PM J11222+2839, WD 1119+289, LP 318-145, LSPM J1122+2839, USNO-B1.0 1186-00186835
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 11 22 15.95 (0.1) | |
Declination | 28 39 42.59 (0.2) | |
Spectral type | DA8 | |
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] | 21.86 (0.2) |
Distance | [pc] | 45.74 (0.4) |
Composition | ||
Proper motion (right ascension) | [mas/yr] | -274.005 (0.3) |
Proper motion (declination) | [mas/yr] | -62.287 (0.3) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | 18.30 | |
V magnitude | ||
R magnitude | 17.20 | |
I magnitude | ||
J magnitude | 16.52 (0.2) | |
H magnitude | ||
K magnitude | ||
u magnitude | 19.39 (0.03) | |
g magnitude | 18.28 (0.007) | |
r magnitude | 17.80 (0.006) | |
i magnitude | 17.64 (0.007) | |
z magnitude | 17.57 (0.01) | |
G magnitude | 17.84 (0.002) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.