New Online Database of Symbiotic Variables: SRGA J085040.6-421156

Constellation
Vela

Equatorial coordinates
α = 08 50 40.632
δ = -42 11 55.680

Galactic coordinates
l = 262.9204°
b = 1.2306°

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

Identifiers

SRGA J085040.6-421156	IRAS -	GSC2.4.2 S67E047131	AAVSO -
SIMBAD UCAC2 13726137	Pan-STARRS -	SAO -	VSX -
GAIA DR3 5524532148408036096	SkyMapper 085040.08-421151.4	WRAY -	GCVS -
2MASS JJ08504008-4211514	HIP -	Hen -	BD -
WISE J085040.83-421154.7	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 (°)	132.6670^Ref	Parallax (mas)	0.083±0.014^Ref	Reddening E(B-V) (mag)	2.21±0.12^Ref ^{, Note}
Declination (°)	-42.1976^Ref	Distance (kpc)	12^Ref 7.45^Ref ^{, Note}, 6.58^Ref ^{, Note}
Galactic longitude (°)	262.9204^Ref	Proper motion in α (mas/yr)	-3.53±0.02^Ref
Galactic latitude (°)	1.2306^Ref	Proper motion in δ (mas/yr)	4.22±0.02^Ref

Observations

X-Ray	Yes^Ref	IR type	S?^Ref	Radio	-
X-Ray type	δ^Ref	J (mag)	9.53^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	8.27^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	7.77^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	12.04^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	12.03^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	10.99^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	9.25^Ref	[O III] lines	-
V (mag)	-	IRAS 12μm (Jy)	-	He II lines	-
R (mag)	14.32^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	-
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	-
BP (mag)	15.20^Ref	IRAS 100μm (Jy)	-
G (mag)	13.35^Ref	AKARI S09 (Jy)	-
RP (mag)	12.07^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	40.85±1.43^Ref	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	-	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 based on the X-ray emission detected by Pavlinsky et al. (2022). An alternative explanation is a high-mass X-ray binary. They suggested a likely association of the X-ray source with UCAC2 13726137.

References

Pavlinsky, M., Sazonov, S., Burenin, R. et al., 2022, A&A, 661, A38, 2022A&A...661A..38P

SRGA J085040.6-421156