LEE 107

SUSPECTED MILKY WAY
 
Constellation
Leo
Equatorial coordinates
α = 11 55 39.748
δ = +12 34 48.371
Galactic coordinates
l = 258.2822°
b = 70.4484°

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

Identifiers

LEE 107 IRAS - GSC2.4.2 N6EB000210 AAVSO -
SIMBAD LEE 107 Pan-STARRS 123091789155596500 SAO - VSX 94268
GAIA DR3 3919723120110148864 SkyMapper - WRAY - GCVS -
2MASS J11553973+1234480 HIP - Hen - BD -
WISE J115539.74+123447.8 TYC 871-104-1 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 (°) 178.9156Ref Parallax (mas) 0.255±0.025Ref Reddening E(B-V) (mag) 0.03±0.0Ref, Note
Declination (°) 12.5800Ref Distance (kpc) 3.27Ref, Note, 3.30Ref, Note    
Galactic longitude (°) 258.2822Ref Proper motion in α (mas/yr) 2.69±0.03Ref    
Galactic latitude (°) 70.4484Ref Proper motion in δ (mas/yr) -14.34±0.02Ref    

Observations

X-Ray - IR type - Radio -
X-Ray type - J (mag) 7.71Ref Flickering -
GALEX FUV (mag) 19.70Ref H (mag) 6.85Ref Outbursts -
GALEX NUV (mag) 19.14Ref K (mag) 6.56Ref Outburst type -
IUE NoRef WISE W1 (mag) 6.32Ref Jets -
FUSE NoRef WISE W2 (mag) 6.27Ref Resolved nebula -
U (mag) - WISE W3 (mag) 6.14Ref IPmax (eV) -
B (mag) 13.10Ref WISE W4 (mag) 6.10Ref [O III] lines -
V (mag) 10.99Ref IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 11.29Ref IRAS 100μm (Jy) -
G (mag) 10.30Ref AKARI S09 (Jy) 0.17Ref
RP (mag) 9.33Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -146.41±0.44Ref 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 C4Ref Mass (M) - Pulsation -
Eff. temperature (K) - Radius (R) - Type -
IR type - 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 - 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