New Online Database of Symbiotic Variables: V1535 Sco

LIKELY MILKY WAY

Constellation
Scorpius

Equatorial coordinates
α = 17 03 26.172
δ = -35 04 17.878

Galactic coordinates
l = 349.8983°
b = 3.9383°

Suspected	2015^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	-
Outbursts	Yes^Ref - SyRN?^Ref

Identifiers

V1535 Sco	IRAS -	GSC2.4.2 S8GG392817	AAVSO 000-BLN-764
SIMBAD V* V1535 Sco	Pan-STARRS -	SAO -	VSX 400126
GAIA DR3 5977998441957259264	SkyMapper 170326.17-350417.7	WRAY -	GCVS V1535 Sco
2MASS J17032617-3504178	HIP -	Hen -	BD -
WISE J170326.00-350416.0	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	V1535 Sco (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	255.8590^Ref	Parallax (mas)	0.172±0.036^Ref	Reddening E(B-V) (mag)	0.65±0.03^Ref ^{, Note}
Declination (°)	-35.0716^Ref	Distance (kpc)	5.11^Ref ^{, Note}, 4.62^Ref ^{, Note}
Galactic longitude (°)	349.8983^Ref	Proper motion in α (mas/yr)	1.02±0.04^Ref
Galactic latitude (°)	3.9383^Ref	Proper motion in δ (mas/yr)	-3.81±0.03^Ref

Observations

X-Ray	Yes^Ref	IR type	S?^Ref	Radio	-
X-Ray type	β/δ^Ref	J (mag)	13.40^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	12.53^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	-	K (mag)	12.22^Ref	Outburst type	SyRN?^Ref
IUE	No^Ref	WISE W1 (mag)	11.24^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	11.46^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	11.14^Ref	IPmax (eV)	13.6?^Ref
B (mag)	-	WISE W4 (mag)	8.44^Ref	[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	No^Ref
BP (mag)	16.33^Ref	IRAS 100μm (Jy)	-
G (mag)	15.34^Ref	AKARI S09 (Jy)	-
RP (mag)	14.43^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	50?±14^Ref	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	K3-5 III^Ref	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

SIMBAD CDS Portal

Notes

Suggested to be a symbiotic system by Srivastava et al. (2015) due to the observed outburst and the presence of a giant companion. Peculiar multiwavelength behavior is described in Linford et al. (2017).

References

Linford, J. D., Chomiuk, L., Nelson, T. et al., 2017, ApJ, 842, 2, 73, 2017ApJ...842...73L
Munari, U., Hambsch, F.-J., Frigo, A., 2017, MNRAS, 469, 4, 4341, 2017MNRAS.469.4341M
Srivastava, M. K., Ashok, N. M., Banerjee, D. P. K. et al., 2015, MNRAS, 454, 2, 1297, 2015MNRAS.454.1297S

V1535 Sco