All names: HE 2147-1405, TIC 111146224, WD 2147-140, GALEX J215003.7-135145, USNO-B1.0 0761-00717955, EC 21473-1405, Gaia EDR3 6840346923439592064, Gaia DR3 6840346923439592064, 2MASS J21500370-1351455, PHL 167, Gaia DR2 6840346923439592064
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|
Right ascension | 21 50 03.72 (0.03) | 21 50 03.72 (0.05) | 21 50 03.70 (0.03) | 21 50 03.79 | |||
Declination | -13 51 45.47 (0.03) | -13 51 45.47 (0.05) | -13 51 45.71 (0.03) | -13 51 39.60 | |||
Spectral type | DA2 | DA2+dM | |||||
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] | 6.82 (0.04) | 6.83 (0.06) | 6.82 (0.04) | |||
Distance | [pc] | 146.63 (0.8) | 146.34 (1) | 146.63 (0.8) | |||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | 19.65289953 (0.04) | 19.66078824 (0.09) | 19.653 (0.04) | |||
Proper motion (declination) | [mas/yr] | 15.18877486 (0.04) | 15.22151388 (0.08) | 15.189 (0.04) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | yes | ||||||
B magnitude | 15.92 | ||||||
V magnitude | 15.75 | ||||||
R magnitude | 15.50 | ||||||
I magnitude | |||||||
J magnitude | 12.92 (0.02) | ||||||
H magnitude | 12.32 (0.03) | ||||||
K magnitude | 12.08 (0.03) | ||||||
u magnitude | |||||||
g magnitude | |||||||
r magnitude | |||||||
i magnitude | |||||||
z magnitude | |||||||
G magnitude | 15.19 (0.002) | 15.20 | 15.19 (0.003) | ||||
BP magnitude | 15.70 (0.002) | 15.69 | |||||
RP magnitude | 14.39 (0.002) | 14.41 | |||||
Pan g magnitude | 15.73 (0.0007) | ||||||
Pan r magnitude | 15.61 (0.002) | ||||||
Pan i magnitude | 14.85 (0.002) | ||||||
Pan z magnitude | 14.38 (0.004) | ||||||
Pan y magnitude | 14.12 (0.002) | ||||||
E(B-V) | 0.007 |
* 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.