2MASS J01104404-7208464

CONFIRMED SMC
 
Constellation
Tucana
Equatorial coordinates
α = 01 10 44.028
δ = -72 08 46.458
Galactic coordinates
l = 300.8458°
b = -44.9038°

Suspected 2018Ref
Confirmed 2018Ref
Symbiotic IR type SRef
Hot component type shell-burningRef
Outbursts -

Identifiers

2MASS J01104404-7208464 IRAS - GSC2.4.2 S0XG312545 AAVSO -
SIMBAD [MA93] 1725 Pan-STARRS - SAO - VSX -
GAIA DR3 4687517449929997824 SkyMapper 011044.03-720846.4 WRAY - GCVS -
2MASS J01104404-7208464 HIP - Hen - BD -
WISE J011044.03-720846.4 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 (°) 17.6835Ref Parallax (mas) 0.065±0.034Ref Reddening E(B-V) (mag) 0.09±0.0Ref, Note
Declination (°) -72.1462Ref Distance (kpc) 62.1±1.9Ref
8.39Ref, Note, 6.79Ref, Note
   
Galactic longitude (°) 300.8458Ref Proper motion in α (mas/yr) 0.78±0.05Ref    
Galactic latitude (°) -44.9038Ref Proper motion in δ (mas/yr) -1.27±0.04Ref    

Observations

X-Ray NoRef IR type SRef Radio -
X-Ray type - J (mag) 13.90Ref Flickering -
GALEX FUV (mag) - H (mag) 13.11Ref Outbursts -
GALEX NUV (mag) - K (mag) 13.00Ref Outburst type -
IUE NoRef WISE W1 (mag) 12.88Ref Jets -
FUSE NoRef WISE W2 (mag) 12.88Ref Resolved nebula -
U (mag) 17.77Ref WISE W3 (mag) 12.86Ref IPmax (eV) 114Ref
B (mag) 17.53Ref WISE W4 (mag) 9.50Ref [O III] lines NoRef
V (mag) 16.40Ref IRAS 12μm (Jy) - He II lines YesRef
R (mag) 15.82Ref IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) 14.94Ref IRAS 60μm (Jy) - O VI lines YesRef
BP (mag) 16.69Ref IRAS 100μm (Jy) -
G (mag) 15.94Ref AKARI S09 (Jy) -
RP (mag) 15.08Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) 403±8Ref 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 YesRef     Mass ratio -
Orbital ephemeris Min (V) = 2454792 + 403±8 x ERef        

Cool component

Spectral type - Mass (M) - Pulsation -
Eff. temperature (K) 3970Ref Radius (R) 98Ref Type -
IR type SRef Luminosity (L) - Pulsation period (days) -
Metallicity [Fe/H] -     Pulsation ephemeris -

Hot component

Type/Spectral type WDRef Mass (M) - Spin period (min) -
Shell-burning/Accreting-only shell-burningRef Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) 230-250Ref    
Lower limit (K) -        
Upper limit (K) 160000Ref        

Links

SIMBAD   CDS Portal


Notes

2MASS J01104404-7208464 is identified as an ellipsoidal variable with an orbital period of 403 days. It also experienced a brightening by approximately 0.2 magnitudes in the V band, which was associated with a change in the shape of orbitally related variability (Iłkiewicz et al., 2018).


References

  • Iłkiewicz, K., Mikołajewska, J., Shara, M. M. et al., 2018, arXiv, arXiv:1811.06696, 2018arXiv181106696I


Last updated: January 14, 2019