[LDB2002] 701

POSSIBLE NGC 6822
 
Constellation
Sagittarius
Equatorial coordinates
α = 19 45 08.551
δ = -14 44 26.807
Galactic coordinates
l = 25.4186°
b = -18.4133°

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

Identifiers

[LDB2002] 701 IRAS - GSC2.4.2 SA0E057718 AAVSO -
SIMBAD [LDB2002] 701 Pan-STARRS 90312962856191457 SAO - VSX -
GAIA DR3 4182449739939931264 SkyMapper - WRAY - GCVS -
2MASS J19450854-1444265 HIP - Hen - BD -
WISE J194508.53-144426.4 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 (°) 296.2856Ref Parallax (mas) 0.618±0.589Ref Reddening E(B-V) (mag) 0.19±0.01Ref, Note
Declination (°) -14.7408Ref Distance (kpc) 500±10Ref
3.03Ref, Note, 1.13Ref, Note
   
Galactic longitude (°) 25.4186Ref Proper motion in α (mas/yr) -0.20±0.62Ref    
Galactic latitude (°) -18.4133Ref Proper motion in δ (mas/yr) 0.10±0.48Ref    

Observations

X-Ray NoRef IR type S?Ref Radio -
X-Ray type - J (mag) 16.67Ref Flickering -
GALEX FUV (mag) - H (mag) 15.62Ref Outbursts -
GALEX NUV (mag) - K (mag) 15.37Ref Outburst type -
IUE NoRef WISE W1 (mag) 14.70Ref Jets -
FUSE NoRef WISE W2 (mag) 14.89Ref Resolved nebula -
U (mag) - WISE W3 (mag) 11.92Ref IPmax (eV) 35.1Ref
B (mag) - WISE W4 (mag) 9.01Ref [O III] lines YesRef
V (mag) - IRAS 12μm (Jy) - He II lines -
R (mag) 20.05Ref IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) 18.47Ref IRAS 60μm (Jy) - O VI lines NoRef
BP (mag) 21.44Ref IRAS 100μm (Jy) -
G (mag) 20.08Ref AKARI S09 (Jy) -
RP (mag) 18.85Ref 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