All names: 2MASS J02423397+4237131, Cl* NGC 1039 JP 431, Gaia DR2 337148580481421952, Gaia EDR3 337148580481421952, Gaia DR3 337148580481421952, TIC 302083569, LAWDS NGC 1039 41, Cl* NGC 1039 A 42085, WD 0239+424.1
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|
Right ascension | 02 42 33.97 (0.04) | 02 42 33.97 (0.07) | 02 42 33.97 (0.04) | 02 42 33.31 | |||
Declination | 42 37 12.98 (0.04) | 42 37 12.98 (0.05) | 42 37 13.01 (0.04) | 42 37 08.76 | |||
Spectral type | A | 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] | 0.37 (0.05) | 0.28 (0.09) | 0.37 (0.05) | |||
Distance | [pc] | 2694.33 (373) | 3558.72 (1082) | 2694.69 (373) | |||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -0.206428672 (0.04) | 0.165 (0.1) | -0.206 (0.04) | |||
Proper motion (declination) | [mas/yr] | -1.766222892 (0.04) | -1.618 (0.09) | -1.766 (0.04) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | 15.98 (0.04) | ||||||
V magnitude | 15.85 (0.03) | ||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | 15.17 (0.05) | ||||||
H magnitude | 14.92 (0.07) | ||||||
K magnitude | 14.86 (0.09) | ||||||
u magnitude | |||||||
g magnitude | |||||||
r magnitude | |||||||
i magnitude | |||||||
z magnitude | |||||||
G magnitude | 15.79 (0.005) | 15.82 | 15.79 (0.003) | ||||
BP magnitude | 15.91 (0.005) | 15.90 | |||||
RP magnitude | 15.57 (0.005) | 15.58 | |||||
Pan g magnitude | 15.87 (0.004) | ||||||
Pan r magnitude | 15.89 (0.009) | ||||||
Pan i magnitude | 15.88 (0.003) | ||||||
Pan z magnitude | 15.92 (0.003) | ||||||
Pan y magnitude | 15.96 (0.004) | ||||||
E(B-V) | 0.091 |
* 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.