All names: USNO-B1.0 1373-00274377, SDSS J120732.81+472341.5, LAMOST J120732.82+472341.8, 2MASS J12073284+4723419, TIC 88721448, Gaia DR2 1545951797200704000, WISEA J120732.81+472341.9, Gaia DR3 1545951801497579648, WISE J120732.82+472341.9, UCAC4 687-053869, GALEX J120732.9+472341
Parameter | Unit | Guo et al. 2015 | Simbad |
---|---|---|---|
Right ascension | 12 07 32.77 (1) | ||
Declination | 47 23 41.32 (2) | ||
Spectral type | DA+M | DA+M | |
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] | -36.8 (4) | |
Proper motion (declination) | [mas/yr] | -16.4 (5) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 17.50 | ||
V magnitude | |||
R magnitude | 17.00 | ||
I magnitude | |||
J magnitude | 14.33 (0.03) | ||
H magnitude | 13.83 (0.04) | ||
K magnitude | 13.53 (0.04) | ||
u magnitude | 17.44 (0.009) | ||
g magnitude | 17.09 (0.005) | ||
r magnitude | 17.11 (0.005) | ||
i magnitude | 16.46 (0.005) | ||
z magnitude | 15.78 (0.007) | ||
G magnitude | 17.28 (0.009) | ||
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.