ASASSN-V J192916.53-224040.3
SUSPECTED
MILKY WAY
Constellation
Sagittarius |
Equatorial coordinates
α = 19 29 16.523
δ = -22 40 40.251 |
Galactic coordinates
l = 16.1781°
b = -18.1053° |
Suspected |
2018Ref |
Confirmed |
- |
Symbiotic IR type |
S?Ref |
Hot component type |
accreting-only?Ref |
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 (°) |
292.3188Ref |
Parallax (mas) |
0.135±0.025Ref |
Reddening E(B-V) (mag) |
0.06±0.0Ref, Note |
Declination (°) |
-22.6778Ref |
Distance (kpc) |
6.33Ref, Note, 5.59Ref, Note |
|
|
Galactic longitude (°) |
16.1781Ref |
Proper motion in α (mas/yr) |
-1.86±0.03Ref |
|
|
Galactic latitude (°) |
-18.1053Ref |
Proper motion in δ (mas/yr) |
-4.61±0.02Ref |
|
|
Observations
X-Ray |
- |
IR type |
S?Ref |
Radio |
- |
X-Ray type |
- |
J (mag) |
8.76Ref |
Flickering |
- |
GALEX FUV (mag) |
20.11Ref |
H (mag) |
7.87Ref |
Outbursts |
- |
GALEX NUV (mag) |
19.16Ref |
K (mag) |
7.58Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
7.40Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
7.48Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
7.24Ref |
IPmax (eV) |
- |
B (mag) |
14.41Ref |
WISE W4 (mag) |
7.10Ref |
[O III] lines |
- |
V (mag) |
12.50Ref |
IRAS 12μm (Jy) |
- |
He II lines |
- |
R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
- |
BP (mag) |
13.11Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
11.69Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
10.52Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
Orbital period (days) |
- |
γ velocity (km/h) |
27.26±0.88Ref |
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 |
M5Ref |
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 |
accreting-only?Ref |
Radius (R⊙) |
- |
Accretion disk |
- |
Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
Notes
Symbiotic candidate selected for AAVSO observing campaing (AAVSO Alert Notice 650) by Adrian B. Lucy (Columbia University). Previously listed as an emission-line star by Stephenson (1986).
References
- Maheswar, G., Manoj, P., Bhatt, H. C., 2003, A&A, 402, 963, 2003A&A...402..963M
- Stephenson, C. B., 1986, ApJ, 300, 779, 1986ApJ...300..779S
Last updated: August 23, 2021