WD 2147-140

All names: Gaia DR2 6840346923439592064, TIC 111146224, PHL 167, WD 2147-140, Gaia DR3 6840346923439592064, EC 21473-1405, Gaia EDR3 6840346923439592064, USNO-B1.0 0761-00717955, GALEX J215003.7-135145, HE 2147-1405, 2MASS J21500370-1351455

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

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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.