IPHASJ215628.47+571445.5

SUSPECTED MILKY WAY

Constellation
Cepheus

Equatorial coordinates
α = 21 56 28.470
δ = +57 14 45.469

Galactic coordinates
l = 100.9505°
b = 2.0403°

Suspected	2019^Ref
Confirmed	-
Symbiotic IR type	D?^Ref
Hot component type	-
Outbursts	-

Identifiers

IPHASJ215628.47+571445.5	IRAS -	GSC2.4.2 N1BZ010573	AAVSO -
SIMBAD HBHA 5704-02	Pan-STARRS 176693291186295878	SAO -	VSX -
GAIA DR3 2199020614163298688	SkyMapper -	WRAY -	GCVS -
2MASS J21562847+5714454	HIP -	Hen -	BD -
WISE J215628.46+571445.5	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 (°)	329.1186^Ref	Parallax (mas)	-0.013±0.064^Ref	Reddening E(B-V) (mag)	1.28±0.08^Ref ^{, Note}
Declination (°)	57.2460^Ref	Distance (kpc)	9.88^Ref ^{, Note}, 8.16^Ref ^{, Note}
Galactic longitude (°)	100.9505^Ref	Proper motion in α (mas/yr)	-2.54±0.08^Ref
Galactic latitude (°)	2.0403^Ref	Proper motion in δ (mas/yr)	-1.86±0.08^Ref

Observations

X-Ray	-	IR type	D?^Ref	Radio	-
X-Ray type	-	J (mag)	12.97^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	11.83^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	10.31^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	8.39^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	7.17^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	5.28^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	4.25^Ref	[O III] lines	-
V (mag)	15.10^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)	16.20^Ref	IRAS 100μm (Jy)	-
G (mag)	15.40^Ref	AKARI S09 (Jy)	0.29^Ref
RP (mag)	14.42^Ref	AKARI S18 (Jy)	0.18^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_⊙)	-	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

Classified as a possible symbiotic star based on infrared data by Akras et al. (2019). Previously classified as an emission-line star (Kohoutek & Wehmeyer, 1997).

References

Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
Kohoutek, L., Wehmeyer, R., 1997, Astronomische Abhandlungen der Hamburger Sternwarte, 11, 1, 1997AAHam..11.....K

Last updated: May 3, 2022