RT Ser

CONFIRMED MILKY WAY

Constellation
Serpens

Equatorial coordinates
α = 17 39 51.985
δ = -11 56 38.937

Galactic coordinates
l = 13.8949°
b = 9.9710°

Suspected	1973^Ref
Confirmed	1978^Ref
Symbiotic IR type	S^Ref
Hot component type	shell-burning^Ref
Outbursts	Yes^Ref - SyN^Ref

Identifiers

RT Ser	IRAS -	GSC2.4.2 S80K084736	AAVSO 000-BCX-206
SIMBAD V* RT Ser	Pan-STARRS 93662649664737569	SAO -	VSX 34603
GAIA DR3 4162257037120281216	SkyMapper 173951.98-115638.9	WRAY -	GCVS RT Ser
2MASS J17395198-1156390	HIP -	Hen 3-1452	BD -
WISE J173951.98-115638.9	TYC -	ESO -	HD -

Symbiotic Catalogs

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

Position

Right ascension (°)	264.9666^Ref	Parallax (mas)	0.235±0.038^Ref	Reddening E(B-V) (mag)	0.48±0.0^Ref ^{, Note}
Declination (°)	-11.9441^Ref	Distance (kpc)	9^Ref, 5.8^Ref 4.17^Ref ^{, Note}, 3.98^Ref ^{, Note}
Galactic longitude (°)	13.8949^Ref	Proper motion in α (mas/yr)	1.61±0.05^Ref
Galactic latitude (°)	9.9710^Ref	Proper motion in δ (mas/yr)	-7.36±0.03^Ref

Observations

X-Ray	No^Ref	IR type	S^Ref	Radio	Yes^Ref
X-Ray type	-	J (mag)	8.39^Ref	Flickering	-
GALEX FUV (mag)	18.51^Ref	H (mag)	7.34^Ref	Outbursts	Yes^Ref
GALEX NUV (mag)	19.14^Ref	K (mag)	6.88^Ref	Outburst type	SyN^Ref
IUE	Yes^Ref	WISE W1 (mag)	6.77^Ref	Jets	-
FUSE	No^Ref	WISE W2 (mag)	6.62^Ref	Resolved nebula	No^Ref
U (mag)	-	WISE W3 (mag)	6.14^Ref	IPmax (eV)	114^Ref
B (mag)	16.02^Ref	WISE W4 (mag)	5.42^Ref	[O III] lines	No?^Ref
V (mag)	14.65^Ref	IRAS 12μm (Jy)	-	He II lines	Yes^Ref
R (mag)	14.46^Ref	IRAS 25μm (Jy)	-	[Fe VII] lines	Yes^Ref
I (mag)	-	IRAS 60μm (Jy)	-	O VI lines	Yes^Ref
BP (mag)	14.72^Ref	IRAS 100μm (Jy)	-
G (mag)	12.38^Ref	AKARI S09 (Jy)	0.17^Ref
RP (mag)	10.97^Ref	AKARI S18 (Jy)	-

Orbit

Orbital period (days)	4520±80^Ref	γ velocity (km/h)	83.11±0.59^Ref	Size of giant’s orbit (AU)	-
Eccentricity	-	RV of giant (km/h)	-	Separation (AU)	-
Inclination (°)	-	Inferior conj. of giant (JD)	-	Mass function	-
Eclipses	No^Ref			Mass ratio	-
Orbital ephemeris	Max (B) = 2446550±50 + 4520±80 x E^Ref

Cool component

Spectral type	M6 III^Ref, M5.5 III^Ref, M7 III^Ref, M6 III^Ref	Mass (M_⊙)	-	Pulsation	-
Eff. temperature (K)	3300^Ref	Radius (R_⊙)	-	Type	-
IR type	S^Ref	Luminosity (L_⊙)	-	Pulsation period (days)	-
Metallicity [Fe/H]	-0.51±0.08^Ref			Pulsation ephemeris	-

Hot component

Type/Spectral type	WD^Ref	Mass (M_⊙)	-	Spin period (min)	-
Shell-burning/Accreting-only	shell-burning^Ref	Radius (R_⊙)	0.15^Ref	Accretion disk	-
Eff. temperature (K)	114000^Ref	Luminosity (L_⊙)	3300^Ref
Lower limit (K)	-
Upper limit (K)	-

Links

SIMBAD CDS Portal ARAS Database

Notes

This star was detected in a nova outburst, as reported in Barnard (1919) and Shapley (1919). The light curve of the outburst is illustrated in Luberda & Osborn (2012).

References

Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
Barnard, E. E., 1919, Popular Astronomy, 27, 374, 1919PA.....27..374B
Fried, J. W., 1980, A&A, 81, 182, 1980A&A....81..182F
Grandjean, J., 1952, AnAp, 15, 7, 1952AnAp...15....7G
Kenyon, S. J., Fernandez-Castro, T., 1987, AJ, 93, 938, 1987AJ.....93..938K
Luberda, G., Osborn, W., 2012, JAVSO, 40, 2, 887, 2012JAVSO..40..887L
Murset, U., Nussbaumer, H., 1994, A&A, 282, 586, 1994A&A...282..586M
Mürset, U., Schmid, H. M., 1999, A&AS, 137, 473, 1999A&AS..137..473M
Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S
Shapley, H., 1919, PASP, 31, 182, 226, 1919PASP...31R.226S
Shugarov, S., Pavlenko, E., Malanushenko, V., 2003, Symbiotic Stars Probing Stellar Evolution, 303, 87, 2003ASPC..303...87S

Last updated: April 27, 2022