VX Crv

SUSPECTED MILKY WAY

Constellation
Corvus

Equatorial coordinates
α = 12 21 52.478
δ = -13 53 10.259

Galactic coordinates
l = 292.0987°
b = 48.3627°

Suspected	1996^Ref
Confirmed	-
Symbiotic IR type	S?^Ref
Hot component type	-
Outbursts	-

Identifiers

VX Crv	IRAS F12193-1336	GSC2.4.2 S6EQ003821	AAVSO 000-BDN-140
SIMBAD V* VX Crv	Pan-STARRS 91331854687947164	SAO -	VSX 10712
GAIA DR3 3575939163051304192	SkyMapper 122152.48-135310.2	WRAY -	GCVS VX Crv
2MASS J12215248-1353102	HIP -	Hen -	BD -
WISE J122152.47-135310.1	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	NSV 05572 (Susp.)
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	NSV 05572 (Susp.)
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	185.4687^Ref	Parallax (mas)	-0.131±0.121^Ref	Reddening E(B-V) (mag)	0.04±0.0^Ref ^{, Note}
Declination (°)	-13.8862^Ref	Distance (kpc)	10.59^Ref ^{, Note} -^{, Note}
Galactic longitude (°)	292.0987^Ref	Proper motion in α (mas/yr)	-5.75±0.11^Ref
Galactic latitude (°)	48.3627^Ref	Proper motion in δ (mas/yr)	-1.72±0.10^Ref

Observations

X-Ray	No^Ref	IR type	S?^Ref	Radio	-
X-Ray type	-	J (mag)	8.66^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	7.89^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.34^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	6.21^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	5.91^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	5.26^Ref	IPmax (eV)	13.6^Ref
B (mag)	14.39^Ref	WISE W4 (mag)	4.73^Ref	[O III] lines	No^Ref
V (mag)	12.83^Ref	IRAS 12μm (Jy)	0.22^Ref	He II lines	No^Ref
R (mag)	13.82^Ref	IRAS 25μm (Jy)	0.16^Ref	[Fe VII] lines	No^Ref
I (mag)	-	IRAS 60μm (Jy)	0.16^Ref	O VI lines	No^Ref
BP (mag)	16.04^Ref	IRAS 100μm (Jy)	0.55^Ref
G (mag)	12.92^Ref	AKARI S09 (Jy)	0.33^Ref
RP (mag)	11.07^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	M6^Ref, M9^Ref	Mass (M_⊙)	-	Pulsation	Yes^Ref
Eff. temperature (K)	-	Radius (R_⊙)	-	Type	Mira^Ref
IR type	S?^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	219.01±0.49^Ref
Metallicity [Fe/H]	-			Pulsation ephemeris	Max(V) = 2452056±3.8 + 219.01±0.49 x E^Ref

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

Suspected as a symbiotic star by Downes & Wallace (1996) due to late M continuum and Balmer emission. Not detected in UV by Luna et al. (2013).

References

Downes, R. A., Wallace, D., 1996, PASP, 108, 134, 1996PASP..108..134D
Luna, G. J. M., Sokoloski, J. L., Mukai, K. et al., 2013, A&A, 559, A6, 2013A&A...559A...6L

Last updated: October 17, 2021