VPHASDR2J173155.9-301915.6

SUSPECTED MILKY WAY
 
Constellation
Scorpius		 Equatorial coordinates
α = 17 31 55.869
δ = -30 19 15.634		 Galactic coordinates
l = 357.2410°
b = 1.7765°

Suspected 2019Ref
Confirmed -
Symbiotic IR type S?Ref
Hot component type -
Outbursts -

Identifiers

VPHASDR2J173155.9-301915.6 IRAS - GSC2.4.2 S8H0002689 AAVSO -
SIMBAD 2MASS J17315586-3019155 Pan-STARRS 71612629828105082 SAO - VSX -
GAIA DR3 4058438189969404032 SkyMapper 173155.87-301915.6 WRAY - GCVS -
2MASS J17315586-3019155 HIP - Hen - BD -
WISE J173155.86-301915.6 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 (°) 262.9828Ref Parallax (mas) 0.083±0.092Ref Reddening E(B-V) (mag) 2.33±0.15Ref, Note
Declination (°) -30.3210Ref Distance (kpc) 7.20Ref, Note, 6.98Ref, Note    
Galactic longitude (°) 357.2410Ref Proper motion in α (mas/yr) 0.59±0.09Ref    
Galactic latitude (°) 1.7765Ref Proper motion in δ (mas/yr) -5.78±0.07Ref    

Observations

X-Ray NoRef IR type S?Ref Radio -
X-Ray type - J (mag) 10.24Ref Flickering -
GALEX FUV (mag) - H (mag) 8.87Ref Outbursts -
GALEX NUV (mag) - K (mag) 8.23Ref Outburst type -
IUE NoRef WISE W1 (mag) 7.85Ref Jets -
FUSE NoRef WISE W2 (mag) 7.92Ref Resolved nebula -
U (mag) - WISE W3 (mag) 7.41Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 6.63Ref [O III] lines -
V (mag) - IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 18.08Ref IRAS 100μm (Jy) -
G (mag) 15.60Ref AKARI S09 (Jy) -
RP (mag) 14.09Ref 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 - 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

Classified as a possible symbiotic star based on infrared data by Akras et al. (2019), this object is also designated as a long-period variable by Mowlavi et al. (2018).

References

  • Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
  • Mowlavi, N., Lecoeur-Taïbi, I., Lebzelter, T. et al., 2018, A&A, 618, A58, 2018A&A...618A..58M


Last updated: May 3, 2022