All names: GALEX J041847.8-102708, TIC 67810907, HE 0416-1034, Gaia DR2 3191249387709577088, USNO-B1.0 0795-00043643, Gaia DR3 3191249387709577088, 2MASS J04184786-1027084, HE0416-1034, Gaia EDR3 3191249387709577088, WD 0416-105, UCAC4 398-005891
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 04 18 47.93 (0.03) | 04 18 47.92 (0.04) | 04 18 47.93 | 04 18 47.88 (0.03) | 04 18 47.57 | ||||||
Declination | -10 27 08.15 (0.03) | -10 27 08.17 (0.03) | -10 27 08.15 | -10 27 08.53 (0.03) | -10 27 05.04 | ||||||
Spectral type | DA2.1 | DA | DA | DA2.1 | |||||||
Effective temperature | [K] | 23645.0 | 27168.0 (369) | 24845.0 (35) | 26350.0 (351) | ||||||
log(g) | [cgs] | 7.84 | 8.04 (0.09) | 7.92 (0.005) | 7.97 (0.01) | ||||||
Mass | [M☉] | 0.55 | 0.66 (0.05) | 0.62 (0.01) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.0220 | |||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
log(C/H) | -7.05 (0.2) | ||||||||||
log(N/H) | |||||||||||
log(O/H) | |||||||||||
log(Na/H) | |||||||||||
log(Mg/H) | |||||||||||
log(Al/H) | |||||||||||
log(Si/H) | -7.35 (0.1) | ||||||||||
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] | 9.25 (0.04) | 9.32 (0.06) | 9.25 | 9.25 (0.04) | ||||||
Distance | [pc] | 108.08 (0.4) | 107.34 (0.6) | 108.08 | 108.08 (0.4) | ||||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | 46.28302694 (0.03) | 46.34512362 (0.07) | 46.283 (0.03) | |||||||
Proper motion (declination) | [mas/yr] | 23.42513957 (0.03) | 23.36471293 (0.06) | 23.425 (0.03) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 15.83 | 15.30 (0.02) | |||||||||
V magnitude | 15.37 (0.03) | 15.37 (0.03) | |||||||||
R magnitude | 15.76 (0.2) | ||||||||||
I magnitude | |||||||||||
J magnitude | 16.00 (0.07) | ||||||||||
H magnitude | 15.99 (0.2) | ||||||||||
K magnitude | |||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 15.37 (0.002) | 15.39 | 15.37 | 15.37 (0.003) | |||||||
BP magnitude | 15.26 (0.002) | 15.21 | |||||||||
RP magnitude | 15.62 (0.002) | 15.62 | |||||||||
Pan g magnitude | 15.22 (0.001) | ||||||||||
Pan r magnitude | 15.60 (0.002) | ||||||||||
Pan i magnitude | 15.94 (0.001) | ||||||||||
Pan z magnitude | 16.21 (0.009) | ||||||||||
Pan y magnitude | 16.41 (0.009) | ||||||||||
E(B-V) | 0.002 |
* 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.