ASASSN-V J183449.60-382456.9

POSSIBLE MILKY WAY

Constellation
Corona Australis

Equatorial coordinates
α = 18 34 49.599
δ = -38 24 56.958

Galactic coordinates
l = 356.4023°
b = -13.4640°

Suspected	2020^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	accreting-only?^Ref
Outbursts	-

Identifiers

ASASSN-V J183449.60-382456.9	IRAS F18313-3827	GSC2.4.2 S9P7000122	AAVSO 000-BNN-737
SIMBAD -	Pan-STARRS -	SAO -	VSX 792013
GAIA DR3 6729888473503087616	SkyMapper 183449.59-382456.9	WRAY -	GCVS -
2MASS J18344959-3824568	HIP -	Hen -	BD -
WISE J183449.59-382456.9	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 (°)	278.7067^Ref	Parallax (mas)	0.131±0.040^Ref	Reddening E(B-V) (mag)	0.1±0.0^Ref ^{, Note}
Declination (°)	-38.4158^Ref	Distance (kpc)	6.32^Ref ^{, Note}, 4.27^Ref ^{, Note}
Galactic longitude (°)	356.4023^Ref	Proper motion in α (mas/yr)	2.67±0.04^Ref
Galactic latitude (°)	-13.4640^Ref	Proper motion in δ (mas/yr)	-3.26±0.03^Ref

Observations

X-Ray	-	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	7.57^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	6.70^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	6.36^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.18^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.31^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.01^Ref	IPmax (eV)	24.6^Ref
B (mag)	13.64^Ref	WISE W4 (mag)	5.76^Ref	[O III] lines	No^Ref
V (mag)	12.10^Ref	IRAS 12μm (Jy)	0.22^Ref	He II lines	No^Ref
R (mag)	-	IRAS 25μm (Jy)	0.14^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	0.18^Ref	O VI lines	No^Ref
BP (mag)	12.88^Ref	IRAS 100μm (Jy)	1.08^Ref
G (mag)	11.05^Ref	AKARI S09 (Jy)	0.23^Ref
RP (mag)	9.76^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-65.04±0.49^Ref	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	M5.5 III^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	339^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	-	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	accreting-only?^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

Notes

Symbiotic candidate selected for AAVSO observing campaing (Waagen, 2020) by Adrian B. Lucy (Columbia University).

References

Waagen, E. O., 2020, AAVSO Alert Notice, 708, 1, 2020AAN...708....1W

Last updated: May 3, 2022