[LDB2002] 328

POSSIBLE NGC 6822
 
Constellation
Sagittarius
Equatorial coordinates
α = 19 44 51.001
δ = -14 52 22.967
Galactic coordinates
l = 25.2609°
b = -18.4029°

Suspected 2015Ref
Confirmed -
Symbiotic IR type S?Ref
Hot component type -
Outbursts -

Identifiers

[LDB2002] 328 IRAS - GSC2.4.2 SA0E089702 AAVSO -
SIMBAD [LDB2002] 328 Pan-STARRS 90152962125162680 SAO - VSX -
GAIA DR3 4182446303965753856 SkyMapper - WRAY - GCVS -
2MASS - HIP - Hen - BD -
WISE - TYC - ESO - HD -

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 (°) 296.2125Ref Parallax (mas) - Reddening E(B-V) (mag) 0.22±0.01Ref, Note
Declination (°) -14.8730Ref Distance (kpc) 500±10Ref
-, Note
   
Galactic longitude (°) 25.2609Ref Proper motion in α (mas/yr) -    
Galactic latitude (°) -18.4029Ref Proper motion in δ (mas/yr) -    

Observations

X-Ray NoRef IR type S?Ref Radio -
X-Ray type - J (mag) 17.66Ref Flickering -
GALEX FUV (mag) - H (mag) 16.80Ref Outbursts -
GALEX NUV (mag) - K (mag) 16.47Ref Outburst type -
IUE NoRef WISE W1 (mag) - Jets -
FUSE NoRef WISE W2 (mag) - Resolved nebula -
U (mag) - WISE W3 (mag) - IPmax (eV) 35.1Ref
B (mag) - WISE W4 (mag) - [O III] lines YesRef
V (mag) - IRAS 12μm (Jy) - He II lines -
R (mag) 20.82Ref IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) 19.66Ref IRAS 60μm (Jy) - O VI lines NoRef
BP (mag) 21.03Ref IRAS 100μm (Jy) -
G (mag) 20.80Ref AKARI S09 (Jy) -
RP (mag) 19.76Ref 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 CRef 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 - Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal


Notes

Suggested as a potential symbiotic star due to its spectra by Sibbons et al. (2015).


References

  • Sibbons, L. F., Ryan, S. G., Napiwotzki, R. et al., 2015, A&A, 574, A102, 2015A&A...574A.102S


Last updated: May 13, 2019