2SXPS J173508.4-292958

CONFIRMED MILKY WAY
 
Constellation
Ophiucus
Equatorial coordinates
α = 17 35 08.308
δ = -29 29 58.113
Galactic coordinates
l = 358.3089°
b = 1.6395°

Suspected 2020Ref
Confirmed 2021Ref
Symbiotic IR type SRef
Hot component type accreting-onlyRef
Outbursts -

Identifiers

2SXPS J173508.4-292958 IRAS - GSC2.4.2 S8H0000151 AAVSO 000-BNM-033
SIMBAD UCAC4 303-143267 Pan-STARRS 72602637846321003 SAO - VSX 1543884
GAIA DR3 4058581921170339456 SkyMapper 173508.31-292958.0 WRAY - GCVS -
2MASS J17350831-2929580 HIP - Hen - BD -
WISE J173508.32-292958.0 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 (°) 263.7846Ref Parallax (mas) 0.669±0.020Ref Reddening E(B-V) (mag) 2.02±0.09Ref, Note
Declination (°) -29.4995Ref Distance (kpc) 1.45Ref, Note, 1.43Ref, Note    
Galactic longitude (°) 358.3089Ref Proper motion in α (mas/yr) -0.78±0.03Ref    
Galactic latitude (°) 1.6395Ref Proper motion in δ (mas/yr) -2.42±0.02Ref    

Observations

X-Ray YesRef IR type SRef Radio -
X-Ray type βRef J (mag) 8.51Ref Flickering NoRef
GALEX FUV (mag) - H (mag) 7.76Ref Outbursts -
GALEX NUV (mag) - K (mag) 7.44Ref Outburst type -
IUE NoRef WISE W1 (mag) 7.05Ref Jets -
FUSE NoRef WISE W2 (mag) 7.28Ref Resolved nebula -
U (mag) - WISE W3 (mag) 7.26Ref IPmax (eV) -
B (mag) 13.39Ref WISE W4 (mag) 7.34Ref [O III] lines -
V (mag) 11.77Ref IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 12.14Ref IRAS 100μm (Jy) -
G (mag) 11.13Ref AKARI S09 (Jy) -
RP (mag) 10.14Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -12.00±1.00Ref 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 K4 IIIRef Mass (M) - Pulsation YesRef
Eff. temperature (K) - Radius (R) - Type SRRef
IR type SRef Luminosity (L) - Pulsation period (days) 32.3Ref
Metallicity [Fe/H] -     Pulsation ephemeris -

Hot component

Type/Spectral type - Mass (M) - Spin period (min) -
Shell-burning/Accreting-only accreting-onlyRef Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal


Notes

Confirmed as a symbiotic star of the accreting-only type, the classification is based on observations that include weak and structured emission in Hα, along with near-UV excess emission, as detailed in Munari et al. (2021).


References


Last updated: April 12, 2021