NSV 7538

SUSPECTED MILKY WAY

Constellation
Norma

Equatorial coordinates
α = 16 14 28.704
δ = -53 36 11.692

Galactic coordinates
l = 330.3075°
b = -1.8898°

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

Identifiers

NSV 7538	IRAS -	GSC2.4.2 S7DY030212	AAVSO -
SIMBAD Gaia DR3 5932984401687550336	Pan-STARRS -	SAO -	VSX 46162
GAIA DR3 5932984401687550336	SkyMapper 161428.71-533611.5	WRAY -	GCVS -
2MASS J16142870-5336115	HIP -	Hen -	BD -
WISE J161428.74-533612.3	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 (°)	243.6196^Ref	Parallax (mas)	0.379±0.078^Ref	Reddening E(B-V) (mag)	1.44±0.12^Ref ^{, Note}
Declination (°)	-53.6032^Ref	Distance (kpc)	3.03^Ref ^{, Note}, 2.24^Ref ^{, Note}
Galactic longitude (°)	330.3075^Ref	Proper motion in α (mas/yr)	-4.06±0.09^Ref
Galactic latitude (°)	-1.8898^Ref	Proper motion in δ (mas/yr)	-3.19±0.07^Ref

Observations

X-Ray	-	IR type	D?^Ref	Radio	-
X-Ray type	-	J (mag)	8.54^Ref	Flickering	-
GALEX FUV (mag)	-	H (mag)	6.81^Ref	Outbursts	-
GALEX NUV (mag)	-	K (mag)	5.68^Ref	Outburst type	-
IUE	No^Ref	WISE W1 (mag)	4.02^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	3.47^Ref	Resolved nebula	-
U (mag)	-	WISE W3 (mag)	2.64^Ref	IPmax (eV)	-
B (mag)	-	WISE W4 (mag)	1.92^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)	16.12^Ref	IRAS 100μm (Jy)	-
G (mag)	12.21^Ref	AKARI S09 (Jy)	-
RP (mag)	10.62^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	-	γ velocity (km/h)	-47.42±1.33^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	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

The object is classified as a confirmed symbiotic star in the ASAS-SN database (Jayasinghe et al., 2019).

References

Jayasinghe, T., Stanek, K. Z., Kochanek, C. S. et al., 2019, MNRAS, 486, 2, 1907, 2019MNRAS.486.1907J

Last updated: March 17, 2022