Autoradiography in the Nervous System

Groenewegen, Henk J.; Gerrits, N. M.; Vrensen, Gijs F.J.M.

doi:10.1007/978-1-4684-3809-3_9

Cited by 2 publications

(1 citation statement)

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“…The radiative transfer code, More of Dusty 7 (MoD), developed by (Groenewegen 2012), was used to model the dusty circumstellar shell of Mira variable. The MoD is a modified version of a publicly available 1D dust radiative transfer code, "DUSTY" version 2.01 (Ivezić et al 1999).…”

Section: Spectral Energy Distributionmentioning

confidence: 99%

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

Ghosh

Mondal

Das

et al. 2018

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We describe the time-dependent properties of a new spectroscopically confirmed Mira variable, which was discovered in 2013 as MASTER-Net Optical Transient (OT) J212444.87+321738.3 towards the Cygnus constellation. We have performed long-term optical/near-infrared (NIR) photometric and spectroscopic observations to characterize the object. From the optical/NIR light curves, we estimate a variability period of 465 ± 30 days. The wavelength-dependent amplitudes of the observed light-curves range from ∆I∼4 mag to ∆K∼1.5 mag. The (J-K) color-index varies from 1.78 to 2.62 mag over phases. Interestingly, a phase lag of ∼60 days between optical and NIR light curves is also seen, as in other Miras. Our optical/NIR spectra show molecular features of TiO, VO, CO, and strong water bands which are a typical signature of oxygen-rich Mira. We rule out S-or C-type as ZrO bands at 1.03 and 1.06 µm and C 2 band at 1.77 µm are absent. We estimate the effective temperature of the object from the SED, and distance and luminosity from standard Period-Luminosity relations. The optical/NIR spectra display time-dependent atomic and molecular features (e.g. TiO, NaI, CaI, H 2 O,CO), as commonly observed in Miras. Such spectroscopic observations are useful for studying pulsation variability in Miras.

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Section: Spectral Energy Distributionmentioning

confidence: 99%