V917 Sco

CONFIRMED MILKY WAY

Constellation
Scorpius

Equatorial coordinates
α = 17 48 04.274
δ = -36 08 17.418

Galactic coordinates
l = 354.0997°
b = -4.1693°

Suspected	1978^Ref
Confirmed	1978^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	Yes^Ref - SyN?^Ref

Identifiers

V917 Sco	IRAS -	GSC2.4.2 S8BJ024716	AAVSO 000-BFL-143
SIMBAD Hen 3-1481	Pan-STARRS -	SAO -	VSX 33733
GAIA DR3 4040275872793595392	SkyMapper 174804.27-360817.2	WRAY -	GCVS V0917 Sco
2MASS J17480427-3608173	HIP -	Hen 3-1481	BD -
WISE J174804.27-360817.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	Hen 1481 (Conf.)	Belzcyński et al. (2001)	V917 Sco (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	V917 Sco (Conf.)	Akras et al. (2019)	V917 Sco (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	V917 Sco (Conf.)

Position

Right ascension (°)	267.0178^Ref	Parallax (mas)	0.084±0.032^Ref	Reddening E(B-V) (mag)	0.58±0.02^Ref ^{, Note}
Declination (°)	-36.1382^Ref	Distance (kpc)	6.79^Ref ^{, Note}, 6.03^Ref ^{, Note}
Galactic longitude (°)	354.0997^Ref	Proper motion in α (mas/yr)	-4.85±0.04^Ref
Galactic latitude (°)	-4.1693^Ref	Proper motion in δ (mas/yr)	-5.58±0.02^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	9.42^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.30^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	-	K (mag)	7.85^Ref	Outburst type	SyN?^Ref
IUE	No^Ref	WISE W1 (mag)	7.63^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.74^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	7.36^Ref	IPmax (eV)	114^Ref
B (mag)	13.90^Ref	WISE W4 (mag)	6.98^Ref	[O III] lines	Yes^Ref
V (mag)	15.00^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	15.59^Ref	IRAS 100μm (Jy)	-
G (mag)	13.60^Ref	AKARI S09 (Jy)	-
RP (mag)	12.19^Ref	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	M7^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	shell-burning^Ref	Radius (R_⊙)	-	Accretion disk	-
Eff. temperature (K)	-	Luminosity (L_⊙)	-
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

Detected in a long-lasting outburst, the light curve is presented in Chaisson (1977).

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Chaisson, L. J., 1977, PASP, 89, 901, 1977PASP...89..901C

Last updated: May 11, 2020