Gaia DR3 4043706834462070784
SUSPECTED
MILKY WAY
Constellation
Sagittarius |
Equatorial coordinates
α = 18 01 22.129
δ = -32 17 21.686 |
Galactic coordinates
l = 358.8213°
b = -4.6186° |
| 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 (°) |
270.3422Ref |
Parallax (mas) |
0.147±0.034Ref |
Reddening E(B-V) (mag) |
0.67±0.02Ref, Note |
| Declination (°) |
-32.2894Ref |
Distance (kpc) |
5.32Ref, Note, 5.15Ref, Note |
|
|
| Galactic longitude (°) |
358.8213Ref |
Proper motion in α (mas/yr) |
1.88±0.04Ref |
|
|
| Galactic latitude (°) |
-4.6186Ref |
Proper motion in δ (mas/yr) |
-2.49±0.03Ref |
|
|
Observations
| X-Ray |
- |
IR type |
- |
Radio |
- |
| X-Ray type |
- |
J (mag) |
9.49Ref |
Flickering |
- |
| GALEX FUV (mag) |
- |
H (mag) |
8.38Ref |
Outbursts |
- |
| GALEX NUV (mag) |
- |
K (mag) |
7.91Ref |
Outburst type |
- |
| IUE |
NoRef |
WISE W1 (mag) |
7.64Ref |
Jets |
- |
| FUSE |
NoRef |
WISE W2 (mag) |
7.81Ref |
Resolved nebula |
- |
| U (mag) |
- |
WISE W3 (mag) |
7.46Ref |
IPmax (eV) |
- |
| B (mag) |
- |
WISE W4 (mag) |
7.33Ref |
[O III] lines |
- |
| V (mag) |
12.00Ref |
IRAS 12μm (Jy) |
- |
He II lines |
- |
| R (mag) |
- |
IRAS 25μm (Jy) |
- |
[Fe VII] lines |
- |
| I (mag) |
- |
IRAS 60μm (Jy) |
- |
O VI lines |
- |
| BP (mag) |
15.93Ref |
IRAS 100μm (Jy) |
- |
|
|
| G (mag) |
13.84Ref |
AKARI S09 (Jy) |
- |
|
|
| RP (mag) |
12.44Ref |
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 |
M?Ref |
Mass (M⊙) |
- |
Pulsation |
- |
| Eff. temperature (K) |
- |
Radius (R⊙) |
- |
Type |
- |
| IR type |
- |
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
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. It is included in the catalog of emission line stars in both Henize (1976) and Kohoutek & Wehmeyer (2003).
References
- Henize, K. G., 1976, ApJS, 30, 491, 1976ApJS...30..491H
- Kohoutek, L., Wehmeyer, R., 2003, AN, 324, 5, 437, 2003AN....324..437K
- Rimoldini, L., Holl, B., Gavras, P. et al., 2023, A&A, 674, A14, 2023A&A...674A..14R
Last updated: January 16, 2023