All names: TIC 211633150, USNO-B1.0 0995-00442191, UCAC4 498-105707, Gaia DR3 4309015794737134080, Gaia EDR3 4309015794737134080, 2MASS J19165042+0934472, WD 1914+094, KPD 1914+0929, Gaia DR2 4309015794737134080
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 19 16 50.42 (0.04) | 19 16 50.42 (0.05) | 19 16 50.42 | 19 16 50.44 (0.04) | 19 16 49.15 | ||||||
Declination | 09 34 46.28 (0.04) | 09 34 46.31 (0.04) | 09 34 46.28 | 09 34 47.35 (0.04) | 09 35 06.72 | ||||||
Spectral type | DA | DA | DA | DA1.5 | DA | ||||||
Effective temperature | [K] | 26902.0 | 33560.0 (490) | 32525.0 (33) | 32358.0 (806) | ||||||
log(g) | [cgs] | 7.66 | 7.94 (0.05) | 7.85 (0.007) | 7.92 (0.02) | ||||||
Mass | [M☉] | 0.478 | 0.62 (0.03) | 0.61 (0.02) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.0131 | |||||||||
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] | 7.13 (0.04) | 7.09 (0.06) | 7.13 | 7.13 (0.04) | ||||||
Distance | [pc] | 140.21 (0.8) | 140.95 (1) | 145.00 | 140.21 | 140.21 (0.8) | |||||
Composition | H | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -17.00931129 (0.04) | -17.11199537 (0.09) | -17.009 (0.04) | |||||||
Proper motion (declination) | [mas/yr] | -66.60587986 (0.04) | -66.76670035 (0.09) | -66.606 (0.04) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 15.18 (0.05) | ||||||||||
V magnitude | 15.43 | 15.21 (0.01) | |||||||||
R magnitude | 15.73 (0.06) | ||||||||||
I magnitude | |||||||||||
J magnitude | 15.74 (0.08) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | |||||||||||
g magnitude | 15.22 (0.01) | ||||||||||
r magnitude | 15.41 (0.01) | ||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 15.40 (0.001) | 15.42 | 15.40 | 15.40 (0.003) | |||||||
BP magnitude | 15.26 (0.001) | 15.19 | |||||||||
RP magnitude | 15.69 (0.002) | 15.68 | |||||||||
Pan g magnitude | 15.24 (0.009) | ||||||||||
Pan r magnitude | 15.66 (0.002) | ||||||||||
Pan i magnitude | 16.03 (0.003) | ||||||||||
Pan z magnitude | 16.29 (0.001) | ||||||||||
Pan y magnitude | 16.49 (0.005) | ||||||||||
E(B-V) | 0.026 |
* 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.