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First Galactic Maser Observations on Ventspils Radio Telescopes – Instrumentation and Data Reduction

Published online by Cambridge University Press:  16 July 2018

Ivar Shmeld ,
Artis Aberfelds ,
Kārlis Bērziņš ,
Vladislavs Bezrukovs ,
Mārcis Bleiders  and
Artūrs Orbidans
Ivar Shmeld
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
Artis Aberfelds
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
Kārlis Bērziņš
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
Vladislavs Bezrukovs
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
Mārcis Bleiders
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
Artūrs Orbidans
Affiliation:
Engineering Research Institute Ventspils International Radio Astronomy Centre (VIRAC), Ventspils University College, Inzenieru 101,LV-3601, Ventspils, Latvia email: ivarss@venta.lv
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Abstract

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Ventspils International Radio Astronomy Centre (VIRAC) has two fully steerable Cassegrean System 32 and 16 m radio telescopes. After renovation and modernization program the Galactic masers, particularly CH3OH research and monitoring program became one of the most important realized on these telescopes. Both telescopes are equipped with broadband cryogenic receivers covering 4.5-8.8 GHz frequency band. Digital backend consisting from DBBC-2 (Digital Base Band Convertor developed by HAT-LAB, Italy) and FLEXBUFF (data storage system based on commercially available server system) is used for data digitalization and registration. A special program complex for spectral line data reduction and correction was developed and implemented.

Keywords

instrumentation: miscellaneousmethods: data analysisISM: moleculeslines and bands
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S336: Astrophysical Masers: Unlocking the Mysteries of the Universe , September 2017 , pp. 445 - 446
Copyright
Copyright © International Astronomical Union 2018 

References

Aberfelds, A., Shmeld, I., & Berzins, K. 2018, these proceedingsGoogle Scholar