2MASS J05311676-6901041
SUSPECTED
LMC
Constellation
Dorado |
Equatorial coordinates
α = 05 31 16.758
δ = -69 01 04.029 |
Galactic coordinates
l = 279.4687°
b = -32.3407° |
| Suspected |
2015Ref |
| Confirmed |
- |
| Symbiotic IR type |
D'?Ref |
| Hot component type |
- |
| Outbursts |
- |
|
|
Symbiotic Catalogs
| Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
- |
| Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
LMC SySt-17 (Susp.) |
| Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
| Right ascension (°) |
82.8198Ref |
Parallax (mas) |
0.112±0.064Ref |
Reddening E(B-V) (mag) |
0.67±0.09Ref, Note |
| Declination (°) |
-69.0178Ref |
Distance (kpc) |
49.97±0.19Ref 5.45Ref, Note, 6.43Ref, Note |
|
|
| Galactic longitude (°) |
279.4687Ref |
Proper motion in α (mas/yr) |
2.39±0.10Ref |
|
|
| Galactic latitude (°) |
-32.3407Ref |
Proper motion in δ (mas/yr) |
1.10±0.10Ref |
|
|
Observations
| X-Ray |
NoRef |
IR type |
D'?Ref |
Radio |
- |
| X-Ray type |
- |
J (mag) |
12.37Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
11.37Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
10.98Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
10.87Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
10.80Ref |
Resolved nebula |
- |
| U (mag) |
20.15Ref |
WISE W3 (mag) |
8.99Ref |
IPmax (eV) |
35.1Ref |
| B (mag) |
18.38Ref |
WISE W4 (mag) |
7.19Ref |
[O III] lines |
YesRef |
| V (mag) |
17.61Ref |
IRAS 12μm (Jy) |
- |
He II lines |
NoRef |
| R (mag) |
14.51Ref |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
NoRef |
| I (mag) |
13.94Ref |
IRAS 60μm (Jy) |
- |
O VI lines |
NoRef |
| BP (mag) |
17.52Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
15.82Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
14.50Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
| Orbital period (days) |
- |
γ velocity (km/h) |
284.01±5.26Ref |
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 |
- |
Mass (M⊙) |
0.74Ref |
Pulsation |
- |
| Eff. temperature (K) |
5843±250Ref |
Radius (R⊙) |
- |
Type |
- |
| IR type |
D'?Ref |
Luminosity (L⊙) |
5369Ref |
Pulsation period (days) |
- |
| Metallicity [Fe/H] |
-1.9Ref |
|
|
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) |
- |
|
|
|
|
References
- Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L. et al., 2019, ApJS, 240, 2, 21, 2019ApJS..240...21A
- Kamath, D., Wood, P. R., van Winckel, H., 2015, MNRAS, 454, 2, 1468, 2015MNRAS.454.1468K
Last updated: May 2, 2019