2MASS J18014909+8139252

SUSPECTED MILKY WAY
 
Constellation
Draco
Equatorial coordinates
α = 18 01 49.205
δ = +81 39 25.114
Galactic coordinates
l = 113.6422°
b = 28.6135°

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

Identifiers

2MASS J18014909+8139252 IRAS - GSC2.4.2 N0T5000250 AAVSO -
SIMBAD [WWV2004] J1801478+813929 Pan-STARRS 205982704560349041 SAO - VSX 68763
GAIA DR3 2296122265568837504 SkyMapper - WRAY - GCVS -
2MASS J18014909+8139252 HIP - Hen - BD -
WISE J180149.12+813925.1 TYC 4582-344-1 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 (°) 270.4545Ref Parallax (mas) 0.277±0.020Ref Reddening E(B-V) (mag) 0.06±0.0Ref, Note
Declination (°) 81.6570Ref Distance (kpc) 3.13Ref, Note, 3.14Ref, Note    
Galactic longitude (°) 113.6422Ref Proper motion in α (mas/yr) -3.62±0.03Ref    
Galactic latitude (°) 28.6135Ref Proper motion in δ (mas/yr) -0.71±0.03Ref    

Observations

X-Ray - IR type - Radio -
X-Ray type - J (mag) 7.16Ref Flickering -
GALEX FUV (mag) 20.35Ref H (mag) 6.28Ref Outbursts -
GALEX NUV (mag) 19.79Ref K (mag) 5.97Ref Outburst type -
IUE NoRef WISE W1 (mag) 5.91Ref Jets -
FUSE NoRef WISE W2 (mag) 5.90Ref Resolved nebula -
U (mag) - WISE W3 (mag) 5.68Ref IPmax (eV) -
B (mag) 13.24Ref WISE W4 (mag) 5.51Ref [O III] lines -
V (mag) 11.64Ref IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 11.91Ref IRAS 100μm (Jy) -
G (mag) 10.22Ref AKARI S09 (Jy) 0.30Ref
RP (mag) 8.98Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) - γ velocity (km/h) -31.24±0.46Ref 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 Yes?Ref
Eff. temperature (K) - Radius (R) - Type SR?Ref
IR type - Luminosity (L) - Pulsation period (days) 548.0866926Ref
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