VPHASDR2J165421.0-404248.0

SUSPECTED MILKY WAY
 
Constellation
Scorpius		 Equatorial coordinates
α = 16 54 20.837
δ = -40 42 47.833		 Galactic coordinates
l = 344.3492°
b = 1.8583°

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

Identifiers

VPHASDR2J165421.0-404248.0 IRAS - GSC2.4.2 S8VD375113 AAVSO -
SIMBAD VPHAS J165421.0-404248.0 Pan-STARRS - SAO - VSX -
GAIA DR3 5969681113228916224 SkyMapper - WRAY - GCVS -
2MASS J16542084-4042477 HIP - Hen - BD -
WISE J165420.89-404247.8 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 (°) 253.5868Ref Parallax (mas) 0.164±0.115Ref Reddening E(B-V) (mag) 1.98±0.13Ref, Note
Declination (°) -40.7133Ref Distance (kpc) 5.43Ref, Note, 4.35Ref, Note    
Galactic longitude (°) 344.3492Ref Proper motion in α (mas/yr) -3.28±0.12Ref    
Galactic latitude (°) 1.8583Ref Proper motion in δ (mas/yr) -3.95±0.10Ref    

Observations

X-Ray - IR type S?Ref Radio -
X-Ray type - J (mag) 13.15Ref Flickering -
GALEX FUV (mag) - H (mag) 11.76Ref Outbursts -
GALEX NUV (mag) - K (mag) 11.32Ref Outburst type -
IUE NoRef WISE W1 (mag) 10.89Ref Jets -
FUSE NoRef WISE W2 (mag) 10.96Ref Resolved nebula -
U (mag) - WISE W3 (mag) 10.18Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 7.83Ref [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) 19.89Ref IRAS 100μm (Jy) -
G (mag) 17.56Ref AKARI S09 (Jy) -
RP (mag) 16.15Ref 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). Previously designated as a YSO candidate according to Damiani (2018).

References


Last updated: May 3, 2022