47 Tuc Src-No. 320

SUSPECTED MILKY WAY
 
Constellation
Tucana
Equatorial coordinates
α = 00 22 26.177
δ = -72 06 43.714
Galactic coordinates
l = 306.0658°
b = -44.8392°

Suspected 2021Ref
Confirmed -
Symbiotic IR type S?Ref
Hot component type shell-burning?Ref
Outbursts -

Identifiers

47 Tuc Src-No. 320 IRAS - GSC2.4.2 S0W5083053 AAVSO -
SIMBAD Cl* NGC 104 LEE 2713 Pan-STARRS - SAO - VSX -
GAIA DR3 4689638407851718272 SkyMapper 002226.15-720643.6 WRAY - GCVS -
2MASS J00222614-7206436 HIP - Hen - BD -
WISE J002226.16-720643.7 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 (°) 5.6091Ref Parallax (mas) 0.168±0.012Ref Reddening E(B-V) (mag) 0.03±0.0Ref, Note
Declination (°) -72.1121Ref Distance (kpc) 4.97Ref, Note, 4.73Ref, Note    
Galactic longitude (°) 306.0658Ref Proper motion in α (mas/yr) 4.87±0.01Ref    
Galactic latitude (°) -44.8392Ref Proper motion in δ (mas/yr) -3.01±0.01Ref    

Observations

X-Ray YesRef IR type S?Ref Radio -
X-Ray type δRef J (mag) 12.17Ref Flickering -
GALEX FUV (mag) - H (mag) 11.65Ref Outbursts -
GALEX NUV (mag) - K (mag) 11.57Ref Outburst type -
IUE NoRef WISE W1 (mag) 11.49Ref Jets -
FUSE NoRef WISE W2 (mag) 11.56Ref Resolved nebula -
U (mag) - WISE W3 (mag) 11.08Ref IPmax (eV) -
B (mag) 14.59Ref WISE W4 (mag) 9.02Ref [O III] lines -
V (mag) 13.76Ref IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 14.04Ref IRAS 100μm (Jy) -
G (mag) 13.57Ref AKARI S09 (Jy) -
RP (mag) 12.94Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -9.00±3.19Ref 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 - 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 shell-burning?Ref Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal


Notes

Suspected in the first version of the paper by Saeedi et al. (2021), based on the X-ray detection by eROSITA and a potential RGB counterpart. However, in the second version, it was reclassified as a possible CV.


References


Last updated: March 25, 2022