SIMBAD references

2014MNRAS.437.1808G - Mon. Not. R. Astron. Soc., 437, 1808-1820 (2014/January-2)

Periodicity in Class II methanol masers in high-mass star-forming regions.

GOEDHART S., MASWANGANYE J.P., GAYLARD M.J. and VAN DER WALT D.J.

Abstract (from CDS):

We report the results of 10 years of monitoring of six regularly varying 6.7GHz methanol masers using the Hartebeesthoek 26-m telescope. Observations were done at intervals of 1-2 weeks, with faster sampling during flaring episodes. Four of the sources were also monitored at 12.2GHz and show correlated variations. We find the Lomb-Scargle periodogram to be the most sensitive method to search for periodicity but possibly prone to false detections. Periods range from 132.8d (with 26 cycles observed) to 509d (with seven cycles observed). Five of the sources show arguably periodic variations, while G331.13-0.24 shows strong periodicity in one peak, with large and variable delays in other peaks.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): masers - stars: formation - ISM: clouds - Hii regions - Radio lines: ISM

CDS comments: G328.254-0.547 is a misprint for G328.254-0.532. In References, the bibcode for Goedhart et al. 2003 is 2003MNRAS.339L..33G.

Simbad objects: 21

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