SUSPECTED LMC
Equatorial coordinates
α = 81.358388 ± 0.697300 | 05 25 26.013210
δ = -68.931609 ± 0.904200| -68 55 53.793577 |
|
Constellation |
Dorado |
Symbiotic IR Type |
S |
Spectral Type |
|
Magnitude range (V) |
|
Outbursts |
No |
|
|
Identifiers
Position
Right ascension (°) |
81.358388 ± 0.697300 |
Parallax (mas) |
– |
Reddening E(B-V) (mag) |
0.697 ± 0.153 |
Declination (°) |
-68.931609 ± 0.904200 |
Distance (kpc) |
49.97 ± 0.19 |
|
|
Galactic longitude (°) |
279.464459 ± 0.904200 |
Proper motion in α (mas/yr) |
– |
|
|
Galactic latitude (°) |
-32.872017 ± 0.697300 |
Proper motion in δ (mas/yr) |
– |
|
|
Observations
U (mag) |
15.50 |
X-Ray |
|
Flickering |
|
B (mag) |
15.95 |
X-Ray type |
|
Outbursts |
No |
V (mag) |
14.90 |
IUE |
Yes |
Type |
|
R (mag) |
15.59 |
IRAS flux at 12 μm (Jy) |
|
IPmax (eV) |
|
I (mag) |
16.71 |
IRAS flux at 25 μm (Jy) |
|
OVI lines |
|
G (mag) |
15.75 |
IRAS flux at 60 μm (Jy) |
|
|
|
J (mag) |
15.85 |
IRAS flux at 100 μm (Jy) |
|
|
|
H (mag) |
15.92 |
WISE W1 (mag) |
13.89 |
|
|
K (mag) |
15.11 |
WISE W2 (mag) |
13.02 |
|
|
L (mag) |
|
WISE W3 (mag) |
8.31 |
|
|
|
|
WISE W4 (mag) |
5.26 |
|
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|
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Radio |
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|
Radio flux (mJy) |
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Orbit
Orbital period (days) |
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γ velocity (km/h) |
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Size of giant’s orbit (AU) |
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Eccentricity |
|
RV of giant (km/h) |
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Separation (AU) |
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Inclination (°) |
|
Inferior conj. of giant (JD) |
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Mass function |
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Ephemeris type |
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Mass ratio |
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Ephemeris T0 (JD) |
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|
|
Cool component
Spectral type |
|
Mass (M⊙) |
|
Pulsation |
|
Eff. temperature (K) |
4400 |
Radius (R⊙) |
|
Type |
|
IR type |
S |
Luminosity (L⊙) |
|
Pulsation period (days) |
|
Metallicity [Fe/H] |
|
|
|
Ephemeris type |
|
|
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|
|
Ephemeris T0 (JD) |
|
Hot component
Type/Spectra |
|
Mass (M⊙) |
|
Spin period (min) |
|
Eff. temperature (K) |
|
Radius (R⊙) |
|
Accretion disk |
|
Lower limit (K) |
|
Luminosity (L⊙) |
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|
|
Upper limit (K) |
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Links
SIMBAD CDS Portal
Notes
Suspected to be a symbiotic binary in Iłkiewicz & Mikołajewska (2017) based on the position of the star in the [O III] diagnostic diagrams.
References
Last updated: Jan 14, 2019 @ 1:44 pm