V455 Her

SUSPECTED MILKY WAY
 
Constellation
Hercules
Equatorial coordinates
α = 17 06 34.098
δ = +20 08 05.838
Galactic coordinates
l = 40.8554°
b = 31.7432°

Suspected 2023Ref
Confirmed -
Symbiotic IR type -
Hot component type -
Outbursts -

Identifiers

V455 Her IRAS 17043+2012 GSC2.4.2 N3X5066249 AAVSO 000-BDR-375
SIMBAD V* V455 Her Pan-STARRS 132162566421512834 SAO - VSX 15266
GAIA DR3 4561724317439489792 SkyMapper - WRAY - GCVS V0455 Her
2MASS J17063402+2008058 HIP - Hen - BD -
WISE J170634.02+200805.7 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 (°) 256.6418Ref Parallax (mas) 0.349±0.031Ref Reddening E(B-V) (mag) 0.05±0.0Ref, Note
Declination (°) 20.1349Ref Distance (kpc) 2.52Ref, Note, 2.52Ref, Note    
Galactic longitude (°) 40.8554Ref Proper motion in α (mas/yr) -4.82±0.02Ref    
Galactic latitude (°) 31.7432Ref Proper motion in δ (mas/yr) -19.29±0.03Ref    

Observations

X-Ray - IR type - Radio -
X-Ray type - J (mag) 7.01Ref Flickering -
GALEX FUV (mag) 20.60Ref H (mag) 6.10Ref Outbursts -
GALEX NUV (mag) 19.91Ref K (mag) 5.80Ref Outburst type -
IUE NoRef WISE W1 (mag) 5.75Ref Jets -
FUSE NoRef WISE W2 (mag) 5.75Ref Resolved nebula -
U (mag) - WISE W3 (mag) 5.53Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 5.32Ref [O III] lines -
V (mag) - IRAS 12μm (Jy) 0.22Ref He II lines -
R (mag) - IRAS 25μm (Jy) 0.25Ref [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) 0.40Ref O VI lines -
BP (mag) 12.56Ref IRAS 100μm (Jy) 1.00Ref
G (mag) 10.49Ref AKARI S09 (Jy) 0.38Ref
RP (mag) 9.15Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -33.51±0.47Ref 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 M6Ref Mass (M) - Pulsation Yes?Ref
Eff. temperature (K) - Radius (R) - Type SR?Ref
IR type - Luminosity (L) - Pulsation period (days) 62.9524961Ref
Metallicity [Fe/H] -     Pulsation ephemeris -

Hot component

Type/Spectral type WDRef 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

Suspected of having a symbiotic nature by Akras (2023). The authors employed a combination of GALEX UV photometry, 2MASS/WISE IR photometry, and the ASAS-SN variables catalog to select the candidates.


References


Last updated: January 31, 2023