HD 161213
SUSPECTED
MILKY WAY
Constellation
Scorpius |
Equatorial coordinates
α = 17 46 06.111
δ = -38 41 45.818 |
Galactic coordinates
l = 351.6963°
b = -5.1478° |
| Suspected |
1988Ref |
| 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) |
Incorrect identification of Hen 2-275 (Susp.) |
Position
| Right ascension (°) |
266.5255Ref |
Parallax (mas) |
2.308±0.019Ref |
Reddening E(B-V) (mag) |
0.51±0.03Ref, Note |
| Declination (°) |
-38.6961Ref |
Distance (kpc) |
0.43Ref, Note, 0.43Ref, Note |
|
|
| Galactic longitude (°) |
351.6963Ref |
Proper motion in α (mas/yr) |
-4.59±0.02Ref |
|
|
| Galactic latitude (°) |
-5.1478Ref |
Proper motion in δ (mas/yr) |
12.77±0.01Ref |
|
|
Observations
| X-Ray |
- |
IR type |
S?Ref |
Radio |
- |
| X-Ray type |
- |
J (mag) |
7.24Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
6.71Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
6.56Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
6.44Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
6.46Ref |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
6.47Ref |
IPmax (eV) |
- |
| B (mag) |
10.47Ref |
WISE W4 (mag) |
6.36Ref |
[O III] lines |
- |
| V (mag) |
9.43Ref |
IRAS 12μm (Jy) |
- |
He II lines |
- |
| R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
| I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
- |
| BP (mag) |
9.71Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
9.07Ref |
AKARI S09 (Jy) |
0.18Ref |
|
|
| RP (mag) |
8.30Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
| Orbital period (days) |
- |
γ velocity (km/h) |
-51.793Ref, -52.10±0.30Ref |
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 |
G8 III/IVRef |
Mass (M⊙) |
- |
Pulsation |
- |
| Eff. temperature (K) |
4887.1Ref |
Radius (R⊙) |
- |
Type |
- |
| IR type |
S?Ref |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
| Metallicity [Fe/H] |
-0.45Ref |
|
|
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
This star appeared in Vaidis (1988) as an incorrect identification of Hen 2-275. In Houk (1982), the star was classified as G8 III/IV.
References
- Houk, N., 1982, Michigan Catalogue of Two-dimensional Spectral Types for the HD stars. Volume_3. Declinations -40_ƒ0 to -26_ƒ0, 1, 1982mcts.book.....H
- Vaidis, J.-P., 1988, BAFOE, 45, 13, 1988BAFOE..45...13V
Last updated: March 17, 2022