Analys av HCN-emission från kometen C/2013 R1 (Lovejoy)

dc.contributor.authorOlivefors, Astrid
dc.contributor.authorKällström, Philip
dc.contributor.authorTegehall, Elin
dc.contributor.authorLevinsson, Alexander
dc.contributor.departmentChalmers tekniska högskola / Institutionen för rymd- och geovetenskapsv
dc.contributor.departmentChalmers University of Technology / Department of Earth and Space Sciencesen
dc.date.accessioned2019-07-03T13:41:55Z
dc.date.available2019-07-03T13:41:55Z
dc.date.issued2015
dc.description.abstractIn this report, results from the observations of comet C/2013 R1 (Lovejoy) carried out with the 20 meter telescope at Onsala Space Observatory during the autumn of 2013 are presented. The project comprises the analysis of data from the observation dates when emission from the rotational transition J = 1 0 for the molecule hydrogen cyanide (HCN) were observed. Detections have been made for seven different dates when C/2013 R1 (Lovejoy) were at a distance of 0.94-0.82AU from the sun, just before perihelion. The production rate increases from 31026 s1 to 51026 s1 with the decreasing distance to the sun. One of the days has also been divided in mean value formations over shorter time intervals for which a periodic variation in the production rate can be discerned although not confirmed. To perform calculations and processing of data, two computer programs have been used. The first is xs, a data reduction software for radio astronomical observations, written by Per Bergman at Onsala Space Observatory. The second program is mom, developed by Stefanie Milam at NASA Goddard Space Flight Center. iv
dc.identifier.urihttps://hdl.handle.net/20.500.12380/218835
dc.language.isoeng
dc.setspec.uppsokLifeEarthScience
dc.subjectKlimatforskning
dc.subjectEnergi
dc.subjectGrundläggande vetenskaper
dc.subjectMeteorologi och atmosfärforskning
dc.subjectClimate Research
dc.subjectEnergy
dc.subjectBasic Sciences
dc.subjectMeteorology and Atmospheric Sciences
dc.titleAnalys av HCN-emission från kometen C/2013 R1 (Lovejoy)
dc.type.degreeExamensarbete för kandidatexamensv
dc.type.degreeBachelor Thesisen
dc.type.uppsokM2
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