All names: LAMOST J120654.58+554647.4, SBSS 1204+560, SDSS J120654.58+554647.1, Gaia DR2 1573772022659258752, WD 1204+560, SBSS 1204+560A, Gaia DR3 1573772022659258752, SDSS J120654.54+554647.0, SDSS J120654.55+554646.9, GALEX J120654.5+554647
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 12 06 54.60 (0.08) | ||
Declination | 55 46 47.16 (0.08) | ||
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] | 4.68 (0.1) | |
Distance | [pc] | 213.88 (5) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -34.45 (0.1) | |
Proper motion (declination) | [mas/yr] | -12.211 (0.1) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | 18.59 (0.02) | ||
g magnitude | 18.11 (0.006) | ||
r magnitude | 18.29 (0.008) | ||
i magnitude | 18.52 (0.01) | ||
z magnitude | 19.02 (0.05) | ||
G magnitude | 18.17 (0.003) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.016 |
* 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.