CONFIRMED SMC
Equatorial coordinates
α = 12.719436 ± 1.515621 | 00 50 52.640000
δ = -72.871271 ± 0.918200 | -72 52 16.500000 |
|
Constellation |
Tucana |
Symbiotic IR Type |
D |
Spectral Type |
Mira |
Magnitude range (V) |
|
Outbursts |
No |
|
|
Identifiers
Position
Right ascension (°) |
12.719436 ± 1.515621 |
Parallax (mas) |
– |
Reddening E(B-V) (mag) |
0.613 ± 0.069 |
Declination (°) |
-72.871271 ± 0.918200 |
Distance (kpc) |
62.10 ± 1.90 |
|
|
Galactic longitude (°) |
302.989550 ± 0.918200 |
Proper motion in α (mas/yr) |
– |
|
|
Galactic latitude (°) |
-44.256940 ± 1.515621 |
Proper motion in δ (mas/yr) |
– |
|
|
Observations
U (mag) |
|
X-Ray |
|
Flickering |
|
B (mag) |
|
X-Ray type |
|
Outbursts |
No |
V (mag) |
21.29 |
IUE |
No |
Type |
|
R (mag) |
|
IRAS flux at 12 μm (Jy) |
|
IPmax (eV) |
75.0 |
I (mag) |
19.56 |
IRAS flux at 25 μm (Jy) |
|
OVI lines |
No |
G (mag) |
20.73 |
IRAS flux at 60 μm (Jy) |
|
|
|
J (mag) |
16.07 |
IRAS flux at 100 μm (Jy) |
|
|
|
H (mag) |
14.07 |
WISE W1 (mag) |
10.65 |
|
|
K (mag) |
12.51 |
WISE W2 (mag) |
9.68 |
|
|
L (mag) |
|
WISE W3 (mag) |
7.96 |
|
|
|
|
WISE W4 (mag) |
7.12 |
|
|
|
|
Radio |
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|
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|
|
Radio flux (mJy) |
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|
|
Orbit
Orbital period (days) |
|
γ velocity (km/h) |
|
Size of giant’s orbit (AU) |
|
Eccentricity |
|
RV of giant (km/h) |
|
Separation (AU) |
|
Inclination (°) |
|
Inferior conj. of giant (JD) |
|
Mass function |
|
Ephemeris type |
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|
|
Mass ratio |
|
Ephemeris T0 (JD) |
|
|
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|
|
Cool component
Spectral type |
Mira |
Mass (M⊙) |
|
Pulsation |
Yes |
Eff. temperature (K) |
|
Radius (R⊙) |
|
Type |
|
IR type |
D |
Luminosity (L⊙) |
3000 ± 200 |
Pulsation period (days) |
215.2 |
Metallicity [Fe/H] |
|
|
|
Ephemeris type |
|
|
|
|
|
Ephemeris T0 (JD) |
|
Hot component
Type/Spectra |
|
Mass (M⊙) |
|
Spin period (min) |
|
Eff. temperature (K) |
|
Radius (R⊙) |
|
Accretion disk |
|
Lower limit (K) |
75000 |
Luminosity (L⊙) |
|
|
|
Upper limit (K) |
100000 |
|
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Links
SIMBAD CDS Portal
Notes
Suspected in Hajduk et al. (2014) and confirmed as D-type symbiotic star based on the spectral analysis presented in Hajduk et al. (2015).
References
- Hajduk, M., Gładkowski, M., Soszyński, I., 2014, A&A, 561, A8, 2014A&A…561A…8H
- Hajduk, M., Gromadzki, M., Mikołajewska, J., et al., 2015, Acta Astronomica, 65, 139, 2015AcA….65..139H
Last updated: May 2, 2019 @ 11:00 am