New Online Database of Symbiotic Variables: ASASSN-V J175047.54-390117.8

Constellation
Scorpius

Equatorial coordinates
α = 17 50 47.536
δ = -39 01 17.909

Galactic coordinates
l = 351.8818°
b = -6.0995°

Suspected	2020^Ref
Confirmed	2021^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

ASASSN-V J175047.54-390117.8	IRAS 17473-3900	GSC2.4.2 S8CB023006	AAVSO 000-BNN-735
SIMBAD WRAY 15-1790	Pan-STARRS -	SAO -	VSX 1518814
GAIA DR3 4036657139505389056	SkyMapper 175047.53-390117.7	WRAY 15-1790	GCVS -
2MASS J17504753-3901178	HIP -	Hen -	BD -
WISE J175047.53-390117.8	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 (°)	267.6981^Ref	Parallax (mas)	0.165±0.018^Ref	Reddening E(B-V) (mag)	0.34±0.01^Ref ^{, Note}
Declination (°)	-39.0216^Ref	Distance (kpc)	5.78^Ref ^{, Note}, 5.71^Ref ^{, Note}
Galactic longitude (°)	351.8818^Ref	Proper motion in α (mas/yr)	-1.66±0.02^Ref
Galactic latitude (°)	-6.0995^Ref	Proper motion in δ (mas/yr)	-6.55±0.01^Ref

Observations

X-Ray	-	IR type	S^Ref	Radio	-
X-Ray type	-	J (mag)	9.24^Ref	Flickering	No^Ref
GALEX FUV (mag)	-	H (mag)	8.29^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.00^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.79^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.88^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.58^Ref	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	7.49^Ref	[O III] lines	-
V (mag)	13.00^Ref	IRAS 12μm (Jy)	1.07^Ref	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	0.57^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	0.61^Ref	O VI lines	No^Ref
BP (mag)	13.26^Ref	IRAS 100μm (Jy)	17.60^Ref
G (mag)	12.04^Ref	AKARI S09 (Jy)	-
RP (mag)	10.94^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-211.49±0.65^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	M0 III^Ref	Mass (M_⊙)	-	Pulsation	Yes?^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	386^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

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

Links

SIMBAD CDS Portal

Notes

The symbiotic candidate selected for the AAVSO observing campaign (Waagen, 2020) by Adrian B. Lucy from Columbia University was later confirmed as a symbiotic star by Lucy (2021).

References

Lucy, A. B., 2021, PhDT, 1, 2021PhDT........17L
Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
Waagen, E. O., 2020, AAVSO Alert Notice, 708, 1, 2020AAN...708....1W

ASASSN-V J175047.54-390117.8