All names: LSPM J1702+1022, LP 506-44, SDSS J170246.30+102242.5, Gaia DR2 4444590625015876864, SDSS J170246.29+102242.5, NLTT 44063, 2MASS J17024629+1022413, USNO-B1.0 1003-00270524, PM J17027+1022
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 17 02 46.27 (0.1) | |
Declination | 10 22 41.24 (0.09) | |
Spectral type | DA | |
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] | 34.01 (0.1) |
Distance | [pc] | 29.40 (0.1) |
Composition | ||
Proper motion (right ascension) | [mas/yr] | 59.856 (0.2) |
Proper motion (declination) | [mas/yr] | 236.972 (0.2) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | 18.40 | |
V magnitude | ||
R magnitude | 17.30 | |
I magnitude | ||
J magnitude | 16.41 (0.1) | |
H magnitude | 16.05 (0.2) | |
K magnitude | ||
u magnitude | 19.81 (0.04) | |
g magnitude | 18.27 (0.007) | |
r magnitude | 17.61 (0.006) | |
i magnitude | 17.39 (0.006) | |
z magnitude | 17.26 (0.01) | |
G magnitude | 17.67 (0.001) | |
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.