Gaia DR3 4261351823925448320
SUSPECTED
MILKY WAY
Constellation
Aquila |
Equatorial coordinates
α = 19 08 46.536
δ = -02 13 42.082 |
Galactic coordinates
l = 32.9222°
b = -4.8727° |
Suspected |
2022Ref |
Confirmed |
- |
Symbiotic IR type |
- |
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) |
- |
Position
Right ascension (°) |
287.1939Ref |
Parallax (mas) |
0.158±0.028Ref |
Reddening E(B-V) (mag) |
0.55±0.03Ref, Note |
Declination (°) |
-2.2284Ref |
Distance (kpc) |
4.61Ref, Note, 4.93Ref, Note |
|
|
Galactic longitude (°) |
32.9222Ref |
Proper motion in α (mas/yr) |
-3.29±0.03Ref |
|
|
Galactic latitude (°) |
-4.8727Ref |
Proper motion in δ (mas/yr) |
-7.53±0.03Ref |
|
|
Observations
X-Ray |
- |
IR type |
- |
Radio |
- |
X-Ray type |
- |
J (mag) |
9.93Ref |
Flickering |
- |
GALEX FUV (mag) |
- |
H (mag) |
8.86Ref |
Outbursts |
- |
GALEX NUV (mag) |
- |
K (mag) |
8.46Ref |
Outburst type |
- |
IUE |
NoRef |
WISE W1 (mag) |
8.27Ref |
Jets |
- |
FUSE |
NoRef |
WISE W2 (mag) |
8.33Ref |
Resolved nebula |
- |
U (mag) |
- |
WISE W3 (mag) |
7.67Ref |
IPmax (eV) |
- |
B (mag) |
- |
WISE W4 (mag) |
7.05Ref |
[O III] lines |
- |
V (mag) |
- |
IRAS 12μm (Jy) |
- |
He II lines |
- |
R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
- |
BP (mag) |
15.61Ref |
IRAS 100μm (Jy) |
- |
|
|
G (mag) |
13.50Ref |
AKARI S09 (Jy) |
- |
|
|
RP (mag) |
12.17Ref |
AKARI S18 (Jy) |
- |
|
|
Orbit
Orbital period (days) |
- |
γ velocity (km/h) |
9.51±1.68Ref |
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 |
M?Ref |
Mass (M⊙) |
- |
Pulsation |
Yes?Ref |
Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
SRRef |
IR type |
- |
Luminosity (L⊙) |
- |
Pulsation period (days) |
174Ref |
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
Classified as a symbiotic star by Rimoldini et al. (2023) based on a machine-learning technique applied to Gaia DR3 data, including astrometric, photometric, and photometric time series information. Periodicity of 174 days was reported by Jayasinghe et al. (2018).
References
- Jayasinghe, T., Kochanek, C. S., Stanek, K. Z. et al., 2018, MNRAS, 477, 3, 3145, 2018MNRAS.477.3145J
- Rimoldini, L., Holl, B., Gavras, P. et al., 2023, A&A, 674, A14, 2023A&A...674A..14R
Last updated: January 16, 2023