K 4-32

SUSPECTED MILKY WAY

Constellation
Vulpecula

Equatorial coordinates
α = 19 42 07.876
δ = +24 30 01.850

Galactic coordinates
l = 60.3281°
b = 0.6544°

Suspected	1974^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	-
Outbursts	-

Identifiers

K 4-32	IRAS 19400+2422	GSC2.4.2 N22O035473	AAVSO -
SIMBAD [AHB74] Red 22	Pan-STARRS 137402955327861182	SAO -	VSX 168063
GAIA DR3 2020785243841107072	SkyMapper -	WRAY -	GCVS -
2MASS J19420787+2430022	HIP -	Hen -	BD -
WISE J194207.88+243002.2	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 (°)	295.5328^Ref	Parallax (mas)	-0.060±0.076^Ref	Reddening E(B-V) (mag)	3.02±0.05^Ref ^{, Note}
Declination (°)	24.5005^Ref	Distance (kpc)	7.31^Ref ^{, Note}, 5.55^Ref ^{, Note}
Galactic longitude (°)	60.3281^Ref	Proper motion in α (mas/yr)	-3.69±0.04^Ref
Galactic latitude (°)	0.6544^Ref	Proper motion in δ (mas/yr)	-6.83±0.08^Ref

Observations

X-Ray	-	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	7.15^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	5.98^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	5.35^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	4.91^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	4.59^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	4.08^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	3.34^Ref	[O III] lines	-
V (mag)	-	IRAS 12μm (Jy)	0.97^Ref	He II lines	-
R (mag)	16.78^Ref	IRAS 25μm (Jy)	0.44^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	3.37^Ref	O VI lines	-
BP (mag)	17.24^Ref	IRAS 100μm (Jy)	44.50^Ref
G (mag)	13.18^Ref	AKARI S09 (Jy)	0.95^Ref
RP (mag)	11.34^Ref	AKARI S18 (Jy)	0.50^Ref

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	M7-9^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	SR^Ref
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	196.5939699^Ref
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

Listed as a possible symbiotic star candidate in the HASH Database of PNe (Parker et al., 2016), likely relying on the work conducted by Allen (1974). It has also been identified as a long-period variable in studies such as Usatov & Nosulchik (2008) and Mowlavi et al. (2018).

References

Allen, D. A., 1974, MNRAS, 168, 1, 1974MNRAS.168....1A
Mowlavi, N., Lecoeur-Taïbi, I., Lebzelter, T. et al., 2018, A&A, 618, A58, 2018A&A...618A..58M
Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P
Usatov, M., Nosulchik, A., 2008, OEJV, 0087, 1, 1, 2008OEJV...87....1U

Last updated: March 25, 2022