RX J0550.0-7151
SUSPECTED
LMC
Constellation
Mensa |
Equatorial coordinates
α = 05 49 46.235
δ = -71 49 35.827 |
Galactic coordinates
l = 282.5158°
b = -30.4662° |
| Suspected |
1995Ref |
| Confirmed |
- |
| Symbiotic IR type |
S?Ref |
| Hot component type |
- |
| Outbursts |
- |
|
|
Symbiotic Catalogs
| Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
- |
| Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
- |
| Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
| Right ascension (°) |
87.4426Ref |
Parallax (mas) |
8.312±0.016Ref |
Reddening E(B-V) (mag) |
0.09±0.0Ref, Note |
| Declination (°) |
-71.8266Ref |
Distance (kpc) |
0.12Ref, Note, 0.12Ref, Note |
|
|
| Galactic longitude (°) |
282.5158Ref |
Proper motion in α (mas/yr) |
0.91±0.02Ref |
|
|
| Galactic latitude (°) |
-30.4662Ref |
Proper motion in δ (mas/yr) |
0.91±0.02Ref |
|
|
Observations
| X-Ray |
YesRef |
IR type |
S?Ref |
Radio |
- |
| X-Ray type |
αRef |
J (mag) |
10.63Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
9.97Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
9.79Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
9.71Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
9.66Ref |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
9.54Ref |
IPmax (eV) |
13.6Ref |
| B (mag) |
14.95Ref |
WISE W4 (mag) |
8.96Ref |
[O III] lines |
NoRef |
| V (mag) |
13.52Ref |
IRAS 12μm (Jy) |
- |
He II lines |
NoRef |
| R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
NoRef |
| I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
NoRef |
| BP (mag) |
13.80Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
12.86Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
11.89Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
| Orbital period (days) |
- |
γ velocity (km/h) |
-4.34±3.00Ref |
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 |
M?Ref |
Mass (M⊙) |
- |
Pulsation |
- |
| Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
- |
| IR type |
S?Ref |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
| Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
- |
Hot component
| Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
| Shell-burning/Accreting-only |
- |
Radius (R⊙) |
- |
Accretion disk |
- |
| Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
| Lower limit (K) |
- |
|
|
|
|
| Upper limit (K) |
- |
|
|
|
|
Notes
Suspected to be a symbiotic binary based on the superposition of an X-ray source and a red star, as reported by Schmidtke & Cowley (1995).
References
- Charles, P. A., Southwell, K. A., O´Donoghue, D., 1996, IAUC, 6305, 2, 1996IAUC.6305....2C
- Farias, D. A., Clocchiatti, A., Woods, T. E. et al., 2020, MNRAS, 497, 3, 3234, 2020MNRAS.497.3234F
- Schmidtke, P. C., Cowley, A. P., 1995, IAUC, 6278, 2, 1995IAUC.6278....2S
Last updated: August 22, 2021