SWIFT J2037.2+4151

SUSPECTED MILKY WAY

Constellation
Cygnus

Equatorial coordinates
α = 20 37 05.600
δ = +41 50 05.190

Galactic coordinates
l = 81.0716°
b = 0.5243°

Suspected	2021^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	-
Outbursts	-

Identifiers

SWIFT J2037.2+4151	IRAS -	GSC2.4.2 N31A094015	AAVSO -
SIMBAD 2MASS J20370560+4150051	Pan-STARRS 158203092732902385	SAO -	VSX -
GAIA DR3 -	SkyMapper -	WRAY -	GCVS -
2MASS J20370560+4150051	HIP -	Hen -	BD -
WISE J203705.60+415005.2	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 (°)	309.2733^Ref	Parallax (mas)	-	Reddening E(B-V) (mag)	5.73±0.51^Ref ^{, Note}
Declination (°)	41.8348^Ref	Distance (kpc)	10^Ref -^{, Note}
Galactic longitude (°)	81.0716^Ref	Proper motion in α (mas/yr)	-
Galactic latitude (°)	0.5243^Ref	Proper motion in δ (mas/yr)	-

Observations

X-Ray	Yes^Ref	IR type	S?^Ref	Radio	-
X-Ray type	γ^Ref	J (mag)	16.17^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	13.46^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	12.13^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	10.97^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	10.45^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	10.23^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	7.90^Ref	[O III] lines	-
V (mag)	-	IRAS 12μm (Jy)	-	He II lines	-
R (mag)	-	IRAS 25μm (Jy)	-	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	-
BP (mag)	-	IRAS 100μm (Jy)	-
G (mag)	-	AKARI S09 (Jy)	-
RP (mag)	-	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	-	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	-
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-			Pulsation ephemeris	-

Hot component

Type/Spectral type	NS^Ref	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

Detected as a potential symbiotic X-ray binary, as reported by Molina et al. (2021).

References

Molina, M., Malizia, A., Masetti, N. et al., 2021, MNRAS, 507, 3, 3423, 2021MNRAS.507.3423M

Last updated: August 21, 2021