V3804 Sgr

CONFIRMED MILKY WAY
 
Constellation
Sagittarius
Equatorial coordinates
α = 18 21 28.779
δ = -31 32 04.672
Galactic coordinates
l = 1.5165°
b = -8.0253°

Suspected 1969Ref
Confirmed 1969Ref
Symbiotic IR type SRef
Hot component type shell-burningRef
Outbursts YesRef - Z And?Ref

Identifiers

V3804 Sgr IRAS 18182-3133 GSC2.4.2 S9UJ000500 AAVSO 000-BCX-083
SIMBAD EM* AS 302 Pan-STARRS - SAO - VSX 31504
GAIA DR3 4046241861648385536 SkyMapper 182128.78-313204.6 WRAY 15-1865 GCVS V3804 Sgr
2MASS J18212877-3132044 HIP - Hen 3-1676 BD -
WISE J182128.78-313204.6 TYC 7393-1433-1 ESO - HD -

Symbiotic Catalogs

Bidelman (1954) - Allen (1984) V3804 Sgr (Susp.) Belzcyński et al. (2001) V3804 Sgr (Conf.)
Gaposchkin (1957) - Kenyon (1986) V3804 Sgr (Conf.) Akras et al. (2019) V3804 Sgr (Conf.)
Boyarchuk (1969) - Vaidis (1988, 1991) V3804 Sgr (Conf.)

Position

Right ascension (°) 275.3699Ref Parallax (mas) 0.142±0.038Ref Reddening E(B-V) (mag) 0.21±0.0Ref, Note
Declination (°) -31.5346Ref Distance (kpc) 10Ref
6.57Ref, Note, 6.01Ref, Note
   
Galactic longitude (°) 1.5165Ref Proper motion in α (mas/yr) -2.43±0.03Ref    
Galactic latitude (°) -8.0253Ref Proper motion in δ (mas/yr) -6.69±0.02Ref    

Observations

X-Ray NoRef IR type SRef Radio YesRef
X-Ray type - J (mag) 8.77Ref Flickering -
GALEX FUV (mag) - H (mag) 7.77Ref Outbursts YesRef
GALEX NUV (mag) - K (mag) 7.36Ref Outburst type Z And?Ref
IUE NoRef WISE W1 (mag) 6.89Ref Jets -
FUSE NoRef WISE W2 (mag) 6.80Ref Resolved nebula -
U (mag) - WISE W3 (mag) 4.73Ref IPmax (eV) 114Ref
B (mag) 12.36Ref WISE W4 (mag) 3.02Ref [O III] lines YesRef
V (mag) 12.45Ref IRAS 12μm (Jy) 0.48Ref He II lines YesRef
R (mag) - IRAS 25μm (Jy) 0.50Ref [Fe VII] lines NoRef
I (mag) - IRAS 60μm (Jy) 0.45Ref O VI lines YesRef
BP (mag) 11.33Ref IRAS 100μm (Jy) 2.61Ref
G (mag) 10.86Ref AKARI S09 (Jy) 0.38Ref
RP (mag) 10.19Ref AKARI S18 (Jy) 0.40Ref

Orbit

Orbital period (days) 426±8Ref 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 Min (V) = 2451439 + 426±8 x ERef        

Cool component

Spectral type M6 IIIRef, M5 IIIRef Mass (M) - Pulsation -
Eff. temperature (K) 3430Ref, 3300Ref Radius (R) - Type -
IR type SRef Luminosity (L) - Pulsation period (days) -
Metallicity [Fe/H] 0.05±0.05Ref     Pulsation ephemeris -

Hot component

Type/Spectral type WDRef Mass (M) - Spin period (min) -
Shell-burning/Accreting-only shell-burningRef Radius (R) - Accretion disk -
Eff. temperature (K) 120000-130000Ref Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal   ARAS Database


Notes

In Herbig (1969), a strong continuous spectrum with intense Balmer lines, [O III], and He II was reported. The light curve covering the period from 1956 to 1975 was obtained by Brewster (1975).


References


Last updated: April 18, 2022