LMC S147
CONFIRMED
LMC
Constellation
Mensa |
Equatorial coordinates
α = 04 54 03.472
δ = -70 59 32.150 |
Galactic coordinates
l = 282.6607°
b = -34.9719° |
| Suspected |
1988Ref |
| Confirmed |
1988Ref |
| Symbiotic IR type |
SRef |
| Hot component type |
shell-burningRef |
| Outbursts |
- |
|
|
Symbiotic Catalogs
| Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
LMC S147 (Conf.) |
| Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
LMC S147 (Conf.) |
| Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
LMC S147 (Conf.) |
Position
| Right ascension (°) |
73.5145Ref |
Parallax (mas) |
0.026±0.021Ref |
Reddening E(B-V) (mag) |
0.17±0.02Ref, Note |
| Declination (°) |
-70.9923Ref |
Distance (kpc) |
49.97±0.19Ref 13.18Ref, Note, 11.47Ref, Note |
|
|
| Galactic longitude (°) |
282.6607Ref |
Proper motion in α (mas/yr) |
1.88±0.02Ref |
|
|
| Galactic latitude (°) |
-34.9719Ref |
Proper motion in δ (mas/yr) |
-0.44±0.03Ref |
|
|
Observations
| X-Ray |
- |
IR type |
SRef |
Radio |
- |
| X-Ray type |
- |
J (mag) |
12.87Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
12.04Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
11.79Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
11.66Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
11.64Ref |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
11.02Ref |
IPmax (eV) |
114Ref |
| B (mag) |
12.80Ref |
WISE W4 (mag) |
9.50Ref |
[O III] lines |
NoRef |
| V (mag) |
15.47Ref |
IRAS 12μm (Jy) |
- |
He II lines |
YesRef |
| R (mag) |
15.57Ref |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
NoRef |
| I (mag) |
13.90Ref |
IRAS 60μm (Jy) |
- |
O VI lines |
YesRef |
| BP (mag) |
15.71Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
14.94Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
14.01Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
| Orbital period (days) |
- |
γ velocity (km/h) |
259.62±6.22Ref |
Size of giant’s orbit (AU) |
- |
| Eccentricity |
- |
RV of giant (km/h) |
- |
Separation (AU) |
- |
| Inclination (°) |
- |
Inferior conj. of giant (JD) |
- |
Mass function |
- |
| Eclipses |
- |
|
|
Mass ratio |
- |
| Orbital ephemeris |
- |
|
|
|
|
Cool component
| Spectral type |
M1Ref, K5Ref |
Mass (M⊙) |
- |
Pulsation |
YesRef |
| Eff. temperature (K) |
3750Ref |
Radius (R⊙) |
110Ref |
Type |
OGLE Small Amplitude Red GiantRef |
| IR type |
SRef |
Luminosity (L⊙) |
2300Ref |
Pulsation period (days) |
63±3Ref |
| Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
Min(I) = 2455553±1 + 63±3 x ERef |
Hot component
| Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
| Shell-burning/Accreting-only |
shell-burningRef |
Radius (R⊙) |
0.12Ref |
Accretion disk |
- |
| Eff. temperature (K) |
<135000Ref, 170000Ref |
Luminosity (L⊙) |
3000±1000Ref, 900Ref |
|
|
| Lower limit (K) |
- |
|
|
|
|
| Upper limit (K) |
- |
|
|
|
|
Notes
The cool component is an oxygen-rich red giant star of K5-M1 spectral type.
References
- Angeloni, R., Ferreira Lopes, C. E., Masetti, N. et al., 2014, MNRAS, 438, 1, 35, 2014MNRAS.438...35A
- Morgan, D. H., Allen, D. A., 1988, MNRAS, 234, 1005, 1988MNRAS.234.1005M
- Morgan, D. H., 1992, MNRAS, 258, 639, 1992MNRAS.258..639M
- Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Last updated: May 2, 2019