IPHASJ202058.52+380949.8

SUSPECTED MILKY WAY

Constellation
Cygnus

Equatorial coordinates
α = 20 20 58.517
δ = +38 09 49.723

Galactic coordinates
l = 76.2891°
b = 0.8755°

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

Identifiers

IPHASJ202058.52+380949.8	IRAS 20191+3800	GSC2.4.2 N340002124	AAVSO -
SIMBAD IRAS 20191+3800	Pan-STARRS 153793052438337239	SAO -	VSX -
GAIA DR3 2061069597507185792	SkyMapper -	WRAY -	GCVS -
2MASS J20205852+3809498	HIP -	Hen -	BD -
WISE J202058.52+380949.8	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 (°)	305.2438^Ref	Parallax (mas)	0.189±0.032^Ref	Reddening E(B-V) (mag)	2.96±0.21^Ref ^{, Note}
Declination (°)	38.1638^Ref	Distance (kpc)	4.17^Ref ^{, Note}, 4.24^Ref ^{, Note}
Galactic longitude (°)	76.2891^Ref	Proper motion in α (mas/yr)	-2.99±0.03^Ref
Galactic latitude (°)	0.8755^Ref	Proper motion in δ (mas/yr)	-5.07±0.03^Ref

Observations

X-Ray	-	IR type	D?^Ref	Radio	-
X-Ray type	-	J (mag)	11.88^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	10.38^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	8.87^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.88^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	5.75^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	4.22^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	3.26^Ref	[O III] lines	-
V (mag)	-	IRAS 12μm (Jy)	1.05^Ref	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	0.49^Ref	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	18.50^Ref	O VI lines	-
BP (mag)	17.53^Ref	IRAS 100μm (Jy)	84.00^Ref
G (mag)	15.86^Ref	AKARI S09 (Jy)	0.82^Ref
RP (mag)	14.59^Ref	AKARI S18 (Jy)	0.47^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 a possible PN (Viironen et al., 2009).

References

Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
Viironen, K., Mampaso, A., Corradi, R. L. M. et al., 2009, A&A, 502, 1, 113, 2009A&A...502..113V

Last updated: May 3, 2022