2017
DOI: 10.1017/s1743921317009437
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Abstract: The first long-term maser (mainly methanol) monitoring program is under way with the radio telescopes of Ventspils International Radio Astronomy Center. The first activity of this program was to develop an observations methodology and data registration and reduction software for the Ventspils telescopes. The developed routines are to be used for maser variability monitoring, investigating short bursts of intensity and a search for new, previously unknown, maser sources. Currently the program consists of 41 met… Show more

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Cited by 4 publications
(2 citation statements)
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“…The further data processing was done by program complex developed in VIRAC sprli.py with following steps shown in figures below: (i)converting data in Jy; (ii)cutting (under manual control) the spectral region with maser lines; (iii)the zero level of signal is found and gain dependence of system gain is compensated; (iv)averaging between left and right polarization channels; (v)noise filtering by using Gaussian 1DK kernel from Astropy program package. The overview of the CH 3 OH observation program and its first results is given at Aberfelds et al (2018).…”
Section: Instrumentation and Data Reductionmentioning
confidence: 99%
“…The further data processing was done by program complex developed in VIRAC sprli.py with following steps shown in figures below: (i)converting data in Jy; (ii)cutting (under manual control) the spectral region with maser lines; (iii)the zero level of signal is found and gain dependence of system gain is compensated; (iv)averaging between left and right polarization channels; (v)noise filtering by using Gaussian 1DK kernel from Astropy program package. The overview of the CH 3 OH observation program and its first results is given at Aberfelds et al (2018).…”
Section: Instrumentation and Data Reductionmentioning
confidence: 99%
“…In the year 2017 Ventspils International Radio Astronomy Centre (VIRAC) team of astronomers and engineers started to work on the maser monitoring programme (Aberfelds et al, 2017). That included technical and scientific development.…”
Section: Introductionmentioning
confidence: 99%