All names: Gaia DR2 668214417820775424, WISE J074642.61+180021.5, Gaia DR2 668214413526637568, SDSS J074642.64+180022.8, 2MASS J07464259+1800217, Gaia EDR3 668214413526637568
Parameter | Unit | Gaia EDR3 | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|
Right ascension | 07 46 42.64 (0.08) | 07 46 42.64 (0.1) | 07 46 42.64 | 07 46 42.59 (200) | 07 46 42.64 | |||
Declination | 18 00 22.65 (0.07) | 18 00 22.66 (0.08) | 18 00 22.79 | 18 00 21.79 (180) | 18 00 22.84 | |||
Spectral type | DA | DA | ||||||
Effective temperature | [K] | 13237.0 | 17530.0 (128) | |||||
log(g) | [cgs] | 7.86 | 8.08 (0.03) | |||||
Mass | [M☉] | 0.53 | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | 0.2341 | ||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
log(C/H) | ||||||||
log(N/H) | ||||||||
log(O/H) | ||||||||
log(Na/H) | ||||||||
log(Mg/H) | ||||||||
log(Al/H) | ||||||||
log(Si/H) | ||||||||
log(P/H) | ||||||||
log(S/H) | ||||||||
log(Sc/H) | ||||||||
log(Ti/H) | ||||||||
log(Cr/H) | ||||||||
log(Mn/H) | ||||||||
log(Fe/H) | ||||||||
log(Ni/H) | ||||||||
Parallax | [mas] | 6.48 (0.09) | 6.42 (0.1) | |||||
Distance | [pc] | 154.23 (2) | 155.65 (3) | |||||
Composition | H | |||||||
Proper motion (right ascension) | [mas/yr] | 4.008336984 (0.1) | 3.709218678 (0.2) | |||||
Proper motion (declination) | [mas/yr] | -17.57668737 (0.08) | -17.5799192 (0.2) | |||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 16.80 (0.1) | |||||||
H magnitude | 16.01 (0.2) | |||||||
K magnitude | ||||||||
u magnitude | 17.40 (0.01) | 20.47 (0.07) | 17.36 (0.02) | |||||
g magnitude | 17.14 (0.005) | 25.11 (1) | 17.15 (0.01) | |||||
r magnitude | 17.49 (0.005) | 19.95 (0.03) | 17.48 (0.01) | |||||
i magnitude | 17.71 (0.007) | 19.59 (0.02) | 17.67 (0.01) | |||||
z magnitude | 18.03 (0.02) | 18.84 (0.04) | 17.89 (0.02) | |||||
G magnitude | 17.31 (0.01) | 17.34 | 20.21 (0.01) | |||||
BP magnitude | 17.25 (0.01) | 17.24 | ||||||
RP magnitude | 17.34 (0.02) | 17.34 | ||||||
Pan g magnitude | 17.19 (0.003) | |||||||
Pan r magnitude | 17.44 (0.006) | |||||||
Pan i magnitude | 17.66 (0.004) | |||||||
Pan z magnitude | 17.90 (0.01) | |||||||
Pan y magnitude | 18.06 (0.02) |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.