2008A&A...479..529K

C.D.S. - SIMBAD4 rel 1.7 - 2021.03.02CET19:12:06

2008A&A...479..529K - Astronomy and Astrophysics, volume 479, 529-531 (2008/2-4)

KONDRATYEVA L.N. and DENISYUK E.K.

Abstract (from CDS):

Study of the spectral and photometric properties of the symbiotic star LL Cas. Spectroscopy and photometry. Spectral and photometric observations of LL Cas were performed in 1986-2006. LL Cas displays a late-type spectrum with TiO absorbtion bands and emission lines of HeII, [OIII], HeI and HI. Significant fluctuations of relative intensities of [OIII], 5007Å and HeII, 4686Å are revealed. They reflect the changes of the field of radiation of the ionizing source. Wavelike variations of the star's light with amplitudes of about 2-3.5mag are found in the B, V and R bands. They can be ascribed to the pulsations of the cool giant.

Abstract Copyright: ∼

Journal keyword(s): stars: binaries: symbiotic

VizieR on-line data: <Available at CDS (J/A+A/479/529): table1.dat table2.dat table3.dat>

Simbad objects: 2

Full paper

View the reference in ADS

Number of rows : 2

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2021	#notes
1	PN Th 4-4	Sy*	17 50 23.8222415739	-19 53 43.187731493		17.5		15.63	13.21	M4/6e	38	1
2	V* LL Cas	Mi*	23 09 20.1641676681	+54 44 50.048235515						M2:e	29	2

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