V916 Sco

CONFIRMED MILKY WAY

Constellation
Scorpius

Equatorial coordinates
α = 17 43 54.716
δ = -36 03 26.513

Galactic coordinates
l = 353.7335°
b = -3.4085°

Suspected	1978^Ref
Confirmed	1979^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	Yes^Ref - SyN?^Ref

Identifiers

V916 Sco	IRAS -	GSC2.4.2 S8B9037364	AAVSO 000-BFL-142
SIMBAD V* V916 Sco	Pan-STARRS -	SAO -	VSX 33732
GAIA DR3 4040972692694908928	SkyMapper 174354.68-360327.1	WRAY -	GCVS -
2MASS J17435471-3603264	HIP -	Hen -	BD -
WISE -	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	SSM 1 (Conf.)	Belzcyński et al. (2001)	V916 Sco (Conf.)
Gaposchkin (1957)	-	Kenyon (1986)	SSM 1 (Conf.)	Akras et al. (2019)	V916 Sco (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	SSM-1 (Conf.)

Position

Right ascension (°)	265.9780^Ref	Parallax (mas)	0.214±0.058^Ref	Reddening E(B-V) (mag)	1.01±0.03^Ref ^{, Note}
Declination (°)	-36.0574^Ref	Distance (kpc)	4.96^Ref ^{, Note}, 4.69^Ref ^{, Note}
Galactic longitude (°)	353.7335^Ref	Proper motion in α (mas/yr)	-1.82±0.07^Ref
Galactic latitude (°)	-3.4085^Ref	Proper motion in δ (mas/yr)	-8.01±0.04^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	13.30^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	12.35^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	-	K (mag)	12.11^Ref	Outburst type	SyN?^Ref
IUE	No^Ref	WISE W1 (mag)	-	Jets	-
FUSE	No^Ref	WISE W2 (mag)	-	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	-	IPmax (eV)	54.4^Ref
B (mag)	-	WISE W4 (mag)	-	[O III] lines	Yes^Ref
V (mag)	-	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	No^Ref
BP (mag)	17.67^Ref	IRAS 100μm (Jy)	-
G (mag)	16.42^Ref	AKARI S09 (Jy)	-
RP (mag)	15.27^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	late M^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

Notes

Suspected to be a slow nova by Sanduleak et al. (1978), this star was later confirmed to have an M giant cool component by Carter & Feast (1979).

References

Carter, B. S., Feast, M. W., 1979, IBVS, 1714, 1, 1979IBVS.1714....1C
Sanduleak, N., Stephenson, C. B., Macconnell, D. J., 1978, IBVS, 1376, 1, 1978IBVS.1376....1S

Last updated: November 5, 2019