The Rotation Period of C/2014 Q2 (Lovejoy)

Serra-Ricart, M.; Licandro, J.
Bibliographical reference

The Astrophysical Journal, Volume 814, Issue 1, article id. 49, 7 pp. (2015).

Advertised on:
11
2015
Number of authors
2
IAC number of authors
2
Citations
3
Refereed citations
2
Description
C/2014 Q2 (Lovejoy) was observed around perihelion (2015 January 30) on 15 nights between 2015 January 21 and February 11 using the TADer 0.3-m astrograph telescope at Teide Observatory (IAC, Tenerife, Spain). Two large spiral jet structures were observed over several cometary rotations. A new method of searching for periodicities in the PA of spiral jets in the coma region at a fixed distance (20,624 km) from the cometary optocenter is presented and used to determine a nuclear rotation period of 17.89 ± 0.17 hr.
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