VPHASDR2J180914.2-253827.1

SUSPECTED MILKY WAY
 
Constellation
Sagittarius
Equatorial coordinates
α = 18 09 14.218
δ = -25 38 27.074
Galactic coordinates
l = 5.4817°
b = -2.8895°

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

Identifiers

VPHASDR2J180914.2-253827.1 IRAS - GSC2.4.2 S9S5040390 AAVSO -
SIMBAD - Pan-STARRS 77232723092551285 SAO - VSX -
GAIA DR3 4064896382061598336 SkyMapper 180914.23-253827.0 WRAY - GCVS -
2MASS J18091422-2538271 HIP - Hen - BD -
WISE J180914.23-253827.1 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 (°) 272.3092Ref Parallax (mas) 0.179±0.024Ref Reddening E(B-V) (mag) 1.33±0.07Ref, Note
Declination (°) -25.6409Ref Distance (kpc) 4.23Ref, Note, 4.55Ref, Note    
Galactic longitude (°) 5.4817Ref Proper motion in α (mas/yr) -2.34±0.03Ref    
Galactic latitude (°) -2.8895Ref Proper motion in δ (mas/yr) -2.39±0.02Ref    

Observations

X-Ray - IR type S?Ref Radio -
X-Ray type - J (mag) 10.48Ref Flickering -
GALEX FUV (mag) - H (mag) 9.45Ref Outbursts -
GALEX NUV (mag) - K (mag) 9.13Ref Outburst type -
IUE NoRef WISE W1 (mag) 8.96Ref Jets -
FUSE NoRef WISE W2 (mag) 9.17Ref Resolved nebula -
U (mag) - WISE W3 (mag) 9.31Ref IPmax (eV) -
B (mag) - WISE W4 (mag) 8.40Ref [O III] lines -
V (mag) - IRAS 12μm (Jy) - He II lines -
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines -
I (mag) - IRAS 60μm (Jy) - O VI lines -
BP (mag) 15.64Ref IRAS 100μm (Jy) -
G (mag) 13.92Ref AKARI S09 (Jy) -
RP (mag) 12.68Ref AKARI S18 (Jy) -

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 S?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

CDS Portal


Notes

Classified as a possible symbiotic star based on infrared data by Akras et al. (2019).


References

  • Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A


Last updated: May 3, 2022