47 Tuc Src-No. 196

SUSPECTED MILKY WAY
 
Constellation
Tucana
Equatorial coordinates
α = 00 20 26.940
δ = -71 55 50.498
Galactic coordinates
l = 306.3219°
b = -44.9917°

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

Identifiers

47 Tuc Src-No. 196 IRAS - GSC2.4.2 S0W5000064 AAVSO -
SIMBAD Cl* NGC 104 LEE 3305 Pan-STARRS - SAO - VSX -
GAIA DR3 4689811924516711680 SkyMapper 002026.48-715555.2 WRAY - GCVS -
2MASS JJ00202649-7155551 HIP - Hen - BD -
WISE J002026.49-715555.2 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 (°) 5.1104Ref Parallax (mas) 0.236±0.012Ref Reddening E(B-V) (mag) 0.03±0.0Ref, Note
Declination (°) -71.9320Ref Distance (kpc) 4.12Ref, Note, 3.93Ref, Note    
Galactic longitude (°) 306.3219Ref Proper motion in α (mas/yr) 5.40±0.01Ref    
Galactic latitude (°) -44.9917Ref Proper motion in δ (mas/yr) -3.23±0.01Ref    

Observations

X-Ray YesRef IR type S?Ref Radio -
X-Ray type β or β/δRef J (mag) 10.85Ref Flickering -
GALEX FUV (mag) - H (mag) 10.16Ref Outbursts -
GALEX NUV (mag) - K (mag) 10.01Ref Outburst type -
IUE NoRef WISE W1 (mag) 9.94Ref Jets -
FUSE NoRef WISE W2 (mag) 10.05Ref Resolved nebula -
U (mag) - WISE W3 (mag) 9.91Ref IPmax (eV) -
B (mag) 14.25Ref WISE W4 (mag) 8.88Ref [O III] lines -
V (mag) 13.05Ref IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 13.32Ref IRAS 100μm (Jy) -
G (mag) 12.67Ref AKARI S09 (Jy) -
RP (mag) 11.89Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -18.51±0.58Ref 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

Initially suspected in the first version of the paper by Saeedi et al. (2021), based on X-ray detection by eROSITA and a potential RGB counterpart. However, this object is not mentioned in the second version of the paper.


References


Last updated: March 25, 2022