Phase-dependent Photometric and Spectroscopic Characterization of the MASTER-Net Optical Transient J212444.87+321738.3: An Oxygen-rich Mira

We describe the time-dependent properties of a new spectroscopically confirmed Mira variable, which was discovered in 2013 as MASTER-Net Optical Transient J212444.87+321738.3 toward the Cygnus constellation. We have performed long-term optical/near-infrared (NIR) photometric and spectroscopic observ...

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Veröffentlicht in:	The Astronomical journal 2018-05, Vol.155 (5), p.216
Hauptverfasser:	Ghosh, Supriyo, Mondal, Soumen, Das, Ramkrishna, Banerjee, D. P. K., Ashok, N. M., Hambsch, Franz-Josef, Dutta, Somnath
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY CARBON MONOXIDE Constellations Cygnus constellation DISTANCE ENERGY SPECTRA Infrared photometry infrared: stars Light curve LUMINOSITY methods: observational Mira variables Near infrared radiation OXYGEN Phase lag Photometry PULSATIONS Spectra Spectral energy distribution STARS stars: AGB and post-AGB stars: late-type stars: variables: general techniques: spectroscopic TIME DEPENDENCE TITANIUM OXIDES Transients (astronomy) VANADIUM OXIDES Variability ZIRCONIUM OXIDES
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