IPHASJ194907.23+211742.0

SUSPECTED MILKY WAY
 
Constellation
Vulpecula		 Equatorial coordinates
α = 19 49 07.223
δ = +21 17 41.923		 Galactic coordinates
l = 58.3602°
b = -2.3446°

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

Identifiers

IPHASJ194907.23+211742.0 IRAS 19469+2109 GSC2.4.2 N1TT011913 AAVSO -
SIMBAD IPHAS J194907.22+211741.9 Pan-STARRS 133552972801104522 SAO - VSX -
GAIA DR3 1827380392604892288 SkyMapper - WRAY - GCVS -
2MASS J19490722+2117420 HIP - Hen - BD -
WISE J194907.22+211741.9 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 (°) 297.2801Ref Parallax (mas) -3.882±0.495Ref Reddening E(B-V) (mag) 1.02±0.07Ref, Note
Declination (°) 21.2950Ref Distance (kpc) 6.73Ref, Note, 4.25Ref, Note    
Galactic longitude (°) 58.3602Ref Proper motion in α (mas/yr) -1.27±0.47Ref    
Galactic latitude (°) -2.3446Ref Proper motion in δ (mas/yr) -2.42±0.50Ref    

Observations

X-Ray NoRef IR type D?Ref Radio -
X-Ray type - J (mag) 13.58Ref Flickering -
GALEX FUV (mag) - H (mag) 11.88Ref Outbursts -
GALEX NUV (mag) - K (mag) 10.49Ref Outburst type -
IUE NoRef WISE W1 (mag) 8.37Ref Jets -
FUSE NoRef WISE W2 (mag) 7.37Ref Resolved nebula -
U (mag) - WISE W3 (mag) 5.58Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 4.06Ref [O III] lines -
V (mag) - IRAS 12μm (Jy) 1.82Ref He II lines -
R (mag) - IRAS 25μm (Jy) 1.29Ref [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) 2.72Ref O VI lines -
BP (mag) 17.42Ref IRAS 100μm (Jy) 32.00Ref
G (mag) 16.93Ref AKARI S09 (Jy) 0.30Ref
RP (mag) 16.00Ref AKARI S18 (Jy) 0.19Ref

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

This star was suggested as a possible symbiotic star based on infrared data by Akras et al. (2019). Previously, it has been classified as a young PN by 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