[RP2006] 776
SUSPECTED
LMC
Constellation
Dorado |
Equatorial coordinates
α = 05 32 39.241
δ = -69 31 53.825 |
Galactic coordinates
l = 280.0493°
b = -32.1465° |
| Suspected |
2011Ref |
| 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) |
[RP2006] 776 (Susp.) |
| Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
| Right ascension (°) |
83.1635Ref |
Parallax (mas) |
-0.324±0.443Ref |
Reddening E(B-V) (mag) |
0.42±0.14Ref, Note |
| Declination (°) |
-69.5316Ref |
Distance (kpc) |
49.97±0.19Ref
3.89Ref, Note, 7.08Ref, Note |
|
|
| Galactic longitude (°) |
280.0493Ref |
Proper motion in α (mas/yr) |
1.61±0.47Ref |
|
|
| Galactic latitude (°) |
-32.1465Ref |
Proper motion in δ (mas/yr) |
-0.13±0.50Ref |
|
|
Observations
| X-Ray |
NoRef |
IR type |
D'?Ref |
Radio |
- |
| X-Ray type |
- |
J (mag) |
17.00Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
15.83Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
14.47Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
12.46Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
11.37Ref |
Resolved nebula |
- |
| U (mag) |
19.71Ref |
WISE W3 (mag) |
7.45Ref |
IPmax (eV) |
- |
| B (mag) |
20.09Ref |
WISE W4 (mag) |
5.49Ref |
[O III] lines |
- |
| V (mag) |
19.44Ref |
IRAS 12μm (Jy) |
- |
He II lines |
- |
| R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
| I (mag) |
18.73Ref |
IRAS 60μm (Jy) |
- |
O VI lines |
- |
| BP (mag) |
19.79Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
19.78Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
18.67Ref |
AKARI S18 (Jy) |
- |
|
|
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 |
- |
| Eclipses |
- |
|
|
Mass ratio |
- |
| Orbital ephemeris |
- |
|
|
|
|
Cool component
| Spectral type |
- |
Mass (M⊙) |
- |
Pulsation |
- |
| Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
- |
| IR type |
D'?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
The star exhibits prominent nebular Hα emission, and its NIR and MIR properties suggest the presence of an obscured RGB (or possibly AGB) star (Miszalski et al., 2011).
References
- Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L. et al., 2019, ApJS, 240, 2, 21, 2019ApJS..240...21A
- Miszalski, B., Napiwotzki, R., Cioni, M.-R. L. et al., 2011, A&A, 531, A157, 2011A&A...531A.157M
Last updated: May 11, 2019