IPHASJ202058.52+380949.8

SUSPECTED MILKY WAY
 
Constellation
Cygnus
Equatorial coordinates
α = 20 20 58.517
δ = +38 09 49.723
Galactic coordinates
l = 76.2891°
b = 0.8755°

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

Identifiers

IPHASJ202058.52+380949.8 IRAS 20191+3800 GSC2.4.2 N340002124 AAVSO -
SIMBAD IRAS 20191+3800 Pan-STARRS 153793052438337239 SAO - VSX -
GAIA DR3 2061069597507185792 SkyMapper - WRAY - GCVS -
2MASS J20205852+3809498 HIP - Hen - BD -
WISE J202058.52+380949.8 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 (°) 305.2438Ref Parallax (mas) 0.189±0.032Ref Reddening E(B-V) (mag) 2.96±0.21Ref, Note
Declination (°) 38.1638Ref Distance (kpc) 4.17Ref, Note, 4.24Ref, Note    
Galactic longitude (°) 76.2891Ref Proper motion in α (mas/yr) -2.99±0.03Ref    
Galactic latitude (°) 0.8755Ref Proper motion in δ (mas/yr) -5.07±0.03Ref    

Observations

X-Ray - IR type D?Ref Radio -
X-Ray type - J (mag) 11.88Ref Flickering -
GALEX FUV (mag) - H (mag) 10.38Ref Outbursts -
GALEX NUV (mag) - K (mag) 8.87Ref Outburst type -
IUE NoRef WISE W1 (mag) 6.88Ref Jets -
FUSE NoRef WISE W2 (mag) 5.75Ref Resolved nebula -
U (mag) - WISE W3 (mag) 4.22Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 3.26Ref [O III] lines -
V (mag) - IRAS 12μm (Jy) 1.05Ref He II lines -
R (mag) - IRAS 25μm (Jy) 0.49Ref [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) 18.50Ref O VI lines -
BP (mag) 17.53Ref IRAS 100μm (Jy) 84.00Ref
G (mag) 15.86Ref AKARI S09 (Jy) 0.82Ref
RP (mag) 14.59Ref AKARI S18 (Jy) 0.47Ref

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 D?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 classified as a possible PN (Viironen et al., 2009).


References

  • Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
  • Viironen, K., Mampaso, A., Corradi, R. L. M. et al., 2009, A&A, 502, 1, 113, 2009A&A...502..113V


Last updated: May 3, 2022