V1922 Aql
CONFIRMED
MILKY WAY
Constellation
Aquila |
Equatorial coordinates
α = 19 09 55.461
δ = -02 47 37.382 |
Galactic coordinates
l = 32.5474°
b = -5.3851° |
Suspected |
1993Ref |
Confirmed |
1993Ref |
Symbiotic IR type |
SRef |
Hot component type |
shell-burningRef |
Outbursts |
- |
|
|
Symbiotic Catalogs
Bidelman (1954) |
- |
Allen (1984) |
- |
Belzcyński et al. (2001) |
NSV 11776 (Conf.) |
Gaposchkin (1957) |
- |
Kenyon (1986) |
- |
Akras et al. (2019) |
NSV 11776 (Conf.) |
Boyarchuk (1969) |
- |
Vaidis (1988, 1991) |
- |
Position
Right ascension (°) |
287.4811Ref |
Parallax (mas) |
0.169±0.049Ref |
Reddening E(B-V) (mag) |
0.6±0.03Ref, Note |
Declination (°) |
-2.7937Ref |
Distance (kpc) |
5.77Ref, Note, 4.37Ref, Note |
|
|
Galactic longitude (°) |
32.5474Ref |
Proper motion in α (mas/yr) |
-3.84±0.05Ref |
|
|
Galactic latitude (°) |
-5.3851Ref |
Proper motion in δ (mas/yr) |
-5.09±0.04Ref |
|
|
Observations
X-Ray |
- |
IR type |
SRef |
Radio |
YesRef |
X-Ray type |
- |
J (mag) |
8.06Ref |
Flickering |
NoRef |
GALEX FUV (mag) |
- |
H (mag) |
6.97Ref |
Outbursts |
- |
GALEX NUV (mag) |
- |
K (mag) |
6.45Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
6.35Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
6.09Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
5.43Ref |
IPmax (eV) |
114Ref |
B (mag) |
14.52Ref |
WISE W4 (mag) |
4.50Ref |
[O III] lines |
YesRef |
V (mag) |
13.73Ref |
IRAS 12μm (Jy) |
- |
He II lines |
YesRef |
R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
YesRef |
I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
YesRef |
BP (mag) |
13.00Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
12.10Ref |
AKARI S09 (Jy) |
0.35Ref |
|
|
RP (mag) |
10.94Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
Orbital period (days) |
1625±16Ref |
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 |
Min (V) = 2451672 + 1625±16 x ERef |
|
|
|
|
Cool component
Spectral type |
M4-5Ref, M7Ref |
Mass (M⊙) |
- |
Pulsation |
- |
Eff. temperature (K) |
3388Ref |
Radius (R⊙) |
- |
Type |
- |
IR type |
SRef |
Luminosity (L⊙) |
- |
Pulsation period (days) |
- |
Metallicity [Fe/H] |
- |
|
|
Pulsation ephemeris |
- |
Hot component
Type/Spectral type |
- |
Mass (M⊙) |
- |
Spin period (min) |
- |
Shell-burning/Accreting-only |
shell-burningRef |
Radius (R⊙) |
- |
Accretion disk |
- |
Eff. temperature (K) |
- |
Luminosity (L⊙) |
- |
|
|
Lower limit (K) |
- |
|
|
|
|
Upper limit (K) |
- |
|
|
|
|
References
- Cielinski, D., Elizalde, F., 1993, RMxAA, 26, 108, 1993RMxAA..26Q.108C
- Cieslinski, D., Elizalde, F., Steiner, J. E., 1994, A&AS, 106, 243, 1994A&AS..106..243C
- Henden, A., Munari, U., 2001, A&A, 372, 145, 2001A&A...372..145H
- Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
- Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
- Wenger, M., Ochsenbein, F., Egret, D. et al., 2000, A&AS, 143, 9, 2000A&AS..143....9W
Last updated: January 13, 2024