New Online Database of Symbiotic Variables: K 3-10

Constellation
Hercules

Equatorial coordinates
α = 18 40 06.970
δ = +14 11 44.824

Galactic coordinates
l = 44.3995°
b = 8.8837°

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

Identifiers

K 3-10	IRAS 18378+1408	GSC2.4.2 N28I272613	AAVSO 000-BKD-828
SIMBAD IRAS 18378+1408	Pan-STARRS 125032800291685841	SAO -	VSX 49812
GAIA DR3 4508787161898021888	SkyMapper -	WRAY -	GCVS V1451 Her
2MASS J18400698+1411446	HIP -	Hen -	BD -
WISE J184006.95+141144.5	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 (°)	280.0290^Ref	Parallax (mas)	0.175±0.086^Ref	Reddening E(B-V) (mag)	0.55±0.01^Ref ^{, Note}
Declination (°)	14.1958^Ref	Distance (kpc)	4.86^Ref ^{, Note} -^{, Note}
Galactic longitude (°)	44.3995^Ref	Proper motion in α (mas/yr)	-0.05±0.08^Ref
Galactic latitude (°)	8.8837^Ref	Proper motion in δ (mas/yr)	1.71±0.09^Ref

Observations

X-Ray	-	IR type	D?^Ref	Radio	-
X-Ray type	-	J (mag)	6.70^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	5.74^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	5.03^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	4.15^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	3.48^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	2.70^Ref	IPmax (eV)	-
B (mag)	15.05^Ref	WISE W4 (mag)	1.86^Ref	[O III] lines	-
V (mag)	13.11^Ref	IRAS 12μm (Jy)	2.95^Ref	He II lines	-
R (mag)	11.88^Ref	IRAS 25μm (Jy)	1.41^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	0.40^Ref	O VI lines	-
BP (mag)	16.33^Ref	IRAS 100μm (Jy)	1.43^Ref
G (mag)	11.96^Ref	AKARI S09 (Jy)	2.77^Ref
RP (mag)	10.23^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	M8:^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	D?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	345^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

Classified as a symbiotic star candidate in the HASH Database of PNe (Parker et al., 2016), likely based on the work of Allen (1974). It was also proposed to be a Mira variable according to Woźniak et al. (2004).

References

Allen, D. A., 1974, MNRAS, 168, 1, 1974MNRAS.168....1A
Parker, Q. A., Bojičić, I. S., Frew, D. J., 2016, JPhCS, 728, 3, 032008, 2016JPhCS.728c2008P
Woźniak, P. R., Williams, S. J., Vestrand, W. T. et al., 2004, AJ, 128, 6, 2965, 2004AJ....128.2965W

K 3-10