HD 161224

SUSPECTED MILKY WAY

Constellation
Ophiucus

Equatorial coordinates
α = 17 44 26.342
δ = -02 04 48.122

Galactic coordinates
l = 23.2288°
b = 13.8728°

Suspected	1988^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	-
Outbursts	-

Identifiers

HD 161224	IRAS -	GSC2.4.2 S7Y2000110	AAVSO -
SIMBAD HD 161224	Pan-STARRS 105502661098004729	SAO 141843	VSX -
GAIA DR3 4369488586359479040	SkyMapper 174426.34-020447.9	WRAY -	GCVS -
2MASS J17442634-0204478	HIP -	Hen -	BD -02 4439
WISE J174426.33-020448.1	TYC 5085-473-1	ESO -	HD 161224

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	-
Boyarchuk (1969)	-	Vaidis (1988, 1991)	Incorrect identification of NSV 9601 (Susp.)

Position

Right ascension (°)	266.1098^Ref	Parallax (mas)	2.549±0.017^Ref	Reddening E(B-V) (mag)	0.42±0.02^Ref ^{, Note}
Declination (°)	-2.0800^Ref	Distance (kpc)	0.39^Ref ^{, Note}, 0.39^Ref ^{, Note}
Galactic longitude (°)	23.2288^Ref	Proper motion in α (mas/yr)	3.59±0.02^Ref
Galactic latitude (°)	13.8728^Ref	Proper motion in δ (mas/yr)	-9.22±0.01^Ref

Observations

X-Ray	No^Ref	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	7.11^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	6.53^Ref	Outbursts	-
GALEX NUV (mag)	18.01^Ref	K (mag)	6.40^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.31^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.32^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	6.34^Ref	IPmax (eV)	-
B (mag)	10.66^Ref	WISE W4 (mag)	6.31^Ref	[O III] lines	-
V (mag)	9.36^Ref	IRAS 12μm (Jy)	-	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	-
BP (mag)	9.70^Ref	IRAS 100μm (Jy)	-
G (mag)	9.02^Ref	AKARI S09 (Jy)	0.16^Ref
RP (mag)	8.21^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	36.68±0.15^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	G8 IV^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

This star was mentioned in Vaidis (1988) as an incorrect identification of NSV 9601. In Houk & Swift (1999), the star was classified as G8 IV.

References

Houk, N., Swift, C., 1999, Michigan Spectral Survey, 5, 0, 1999MSS...C05....0H
Vaidis, J.-P., 1988, BAFOE, 45, 13, 1988BAFOE..45...13V

Last updated: March 17, 2022