Hen 3-1591

CONFIRMED MILKY WAY
 
Constellation
Sagittarius
Equatorial coordinates
α = 18 07 32.017
δ = -25 53 43.340
Galactic coordinates
l = 5.0731°
b = -2.6768°

Suspected 1969Ref
Confirmed 1984Ref
Symbiotic IR type SRef
Hot component type shell-burningRef
Outbursts -

Identifiers

Hen 3-1591 IRAS - GSC2.4.2 S9S5000098 AAVSO 000-BDB-763
SIMBAD Hen 3-1591 Pan-STARRS 76922718834135895 SAO - VSX 48843
GAIA DR3 4064867004473774848 SkyMapper 180732.02-255343.1 WRAY - GCVS -
2MASS J18073201-2553432 HIP - Hen 3-1591 BD -
WISE J180732.02-255343.1 TYC - ESO - HD -

Symbiotic Catalogs

Bidelman (1954) - Allen (1984) Hen 1591 (Conf.) Belzcyński et al. (2001) Hen 3-1591 (Conf.)
Gaposchkin (1957) - Kenyon (1986) Hen 1591 (Conf.) Akras et al. (2019) Hen 3-1591 (Conf.)
Boyarchuk (1969) - Vaidis (1988, 1991) NSV 10219 (Conf.)

Position

Right ascension (°) 271.8834Ref Parallax (mas) 0.799±0.021Ref Reddening E(B-V) (mag) 1.26±0.04Ref, Note
Declination (°) -25.8954Ref Distance (kpc) 1.22Ref, Note, 1.24Ref, Note    
Galactic longitude (°) 5.0731Ref Proper motion in α (mas/yr) 0.86±0.02Ref    
Galactic latitude (°) -2.6768Ref Proper motion in δ (mas/yr) -0.88±0.02Ref    

Observations

X-Ray YesRef IR type SRef Radio YesRef
X-Ray type δRef J (mag) 10.50Ref Flickering -
GALEX FUV (mag) - H (mag) 9.68Ref Outbursts -
GALEX NUV (mag) - K (mag) 9.07Ref Outburst type -
IUE NoRef WISE W1 (mag) 7.98Ref Jets -
FUSE NoRef WISE W2 (mag) 7.21Ref Resolved nebula NoRef
U (mag) - WISE W3 (mag) 5.40Ref IPmax (eV) 54.4Ref
B (mag) 13.00Ref WISE W4 (mag) 4.17Ref [O III] lines YesRef
V (mag) 12.00Ref IRAS 12μm (Jy) - He II lines YesRef
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) - IRAS 60μm (Jy) - O VI lines NoRef
BP (mag) 13.17Ref IRAS 100μm (Jy) -
G (mag) 12.49Ref AKARI S09 (Jy) 0.20Ref
RP (mag) 11.68Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) 2350±41Ref 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 Min (BV) = 2451310 + 2350±41 x ERef        

Cool component

Spectral type K1 IIIRef Mass (M) - Pulsation Yes?Ref
Eff. temperature (K) 4609Ref Radius (R) - Type Mira?Ref
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) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal


Notes

The spectrum of this object, as reported by Herbig (1969), exhibits a G or K-type continuum along with emission lines of [O III], Hβ, and [Ne III].


References


Last updated: April 18, 2022