New Online Database of Symbiotic Variables: K 3-22

Constellation
Aquila

Equatorial coordinates
α = 19 09 26.599
δ = +12 00 44.612

Galactic coordinates
l = 45.6591°
b = 1.5232°

Suspected	2010^Ref
Confirmed	2010^Ref
Symbiotic IR type	D^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

K 3-22	IRAS 19070+1155	GSC2.4.2 N2BO031702	AAVSO -
SIMBAD PN K 3-22	Pan-STARRS 122412873608905284	SAO -	VSX -
GAIA DR3 4313125288215049728	SkyMapper -	WRAY -	GCVS -
2MASS J19092660+1200445	HIP -	Hen -	BD -
WISE J190926.59+120044.6	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	PN K 3-22 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	287.3608^Ref	Parallax (mas)	0.139±0.107^Ref	Reddening E(B-V) (mag)	1.71±0.08^Ref ^{, Note}
Declination (°)	12.0124^Ref	Distance (kpc)	6.65^Ref ^{, Note}, 6.25^Ref ^{, Note}
Galactic longitude (°)	45.6591^Ref	Proper motion in α (mas/yr)	-2.80±0.10^Ref
Galactic latitude (°)	1.5232^Ref	Proper motion in δ (mas/yr)	-5.25±0.11^Ref

Observations

X-Ray	-	IR type	D^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	12.34^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	10.33^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.82^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	7.02^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	5.94^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	4.14^Ref	IPmax (eV)	114^Ref
B (mag)	-	WISE W4 (mag)	2.72^Ref	[O III] lines	Yes^Ref
V (mag)	-	IRAS 12μm (Jy)	1.05^Ref	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	0.87^Ref	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	1.95^Ref	O VI lines	Yes^Ref
BP (mag)	18.43^Ref	IRAS 100μm (Jy)	21.60^Ref
G (mag)	17.40^Ref	AKARI S09 (Jy)	0.83^Ref
RP (mag)	16.03^Ref	AKARI S18 (Jy)	0.72^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	-	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	D^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)	114000^Ref
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Spectroscopy reveals that K 3-22 is a D-type symbiotic star, characterized by a high excitation nebular spectrum and the presence of Raman-scattered O VI emission lines (Corradi & Giammanco, 2010).

References

Corradi, R. L. M., Giammanco, C., 2010, A&A, 520, A99, 2010A&A...520A..99C

K 3-22