New Online Database of Symbiotic Variables: K 4-57

Constellation
Cepheus

Equatorial coordinates
α = 22 48 34.321
δ = +58 29 08.247

Galactic coordinates
l = 107.4453°
b = -0.6424°

Suspected	2014^Ref
Confirmed	2014^Ref
Symbiotic IR type	D^Ref
Hot component type	shell-burning^Ref
Outbursts	-

Identifiers

K 4-57	IRAS 22465+5813	GSC2.4.2 N1DM047711	AAVSO -
SIMBAD PN K 4-57	Pan-STARRS 178183421430233478	SAO -	VSX 1499426
GAIA DR3 2007463560933862016	SkyMapper -	WRAY -	GCVS -
2MASS J22483431+5829083	HIP -	Hen -	BD -
WISE J224834.29+582908.2	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	IPHASJ224834.32+582908.4 (Conf.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	342.1430^Ref	Parallax (mas)	0.001±0.069^Ref	Reddening E(B-V) (mag)	0.94±0.03^Ref ^{, Note}
Declination (°)	58.4856^Ref	Distance (kpc)	7.4^Ref 6.95^Ref ^{, Note}, 8.81^Ref ^{, Note}
Galactic longitude (°)	107.4453^Ref	Proper motion in α (mas/yr)	-1.95±0.07^Ref
Galactic latitude (°)	-0.6424^Ref	Proper motion in δ (mas/yr)	-1.35±0.07^Ref

Observations

X-Ray	No^Ref	IR type	D^Ref	Radio	No^Ref
X-Ray type	-	J (mag)	11.85^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	9.58^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.91^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.00^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	4.97^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	3.36^Ref	IPmax (eV)	99^Ref
B (mag)	-	WISE W4 (mag)	2.26^Ref	[O III] lines	Yes^Ref
V (mag)	-	IRAS 12μm (Jy)	1.95^Ref	He II lines	Yes^Ref
R (mag)	-	IRAS 25μm (Jy)	1.26^Ref	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	2.29^Ref	O VI lines	No^Ref
BP (mag)	18.10^Ref	IRAS 100μm (Jy)	31.10^Ref
G (mag)	17.30^Ref	AKARI S09 (Jy)	1.46^Ref
RP (mag)	16.00^Ref	AKARI S18 (Jy)	1.08^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	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	D^Ref	Luminosity (L_⊙)	3950^Ref	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)	99000^Ref
Upper limit (K)	-

Links

SIMBAD CDS Portal

Notes

Listed in the catalog of PNe, however, based on photometry, it is considered a promising symbiotic star candidate of D type, as indicated in Rodríguez-Flores et al. (2014).

References

García-Hernández, D. A., Górny, S. K., 2014, A&A, 567, A12, 2014A&A...567A..12G
Rodríguez-Flores, E. R., Corradi, R. L. M., Mampaso, A. et al., 2014, A&A, 567, A49, 2014A&A...567A..49R

K 4-57