Editing Semiregular variable star (section)

== References ==
{{reflist|refs=

<ref name=vsx>{{cite journal|bibcode=2006SASS...25...47W|title=The International Variable Star Index (VSX)|journal=The Society for Astronomical Sciences 25th Annual Symposium on Telescope Science. Held May 23–25|volume=25|pages=47|last1=Watson|first1=C. L.|year=2006}}</ref>

<ref name=pl>{{cite journal|bibcode=2007AcA....57..201S|title=The Optical Gravitational Lensing Experiment. Period--Luminosity Relations of Variable Red Giant Stars|journal=Acta Astronomica|volume=57|pages=201|last1=Soszynski|first1=I.|last2=Dziembowski|first2=W. A.|last3=Udalski|first3=A.|last4=Kubiak|first4=M.|last5=Szymanski|first5=M. K.|last6=Pietrzynski|first6=G.|last7=Wyrzykowski|first7=L.|last8=Szewczyk|first8=O.|last9=Ulaczyk|first9=K.|year=2007|arxiv = 0710.2780 }}</ref>

<ref name=ogle>{{cite journal|bibcode=2009AcA....59..239S|arxiv=0910.1354|title=The Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. IV. Long-Period Variables in the Large Magellanic Cloud|journal=Acta Astronomica|volume=59|pages=239|last1=Soszyński|first1=I.|last2=Udalski|first2=A.|last3=Szymański|first3=M. K.|last4=Kubiak|first4=M.|last5=Pietrzyński|first5=G.|last6=Wyrzykowski|first6=Ł.|last7=Szewczyk|first7=O.|last8=Ulaczyk|first8=K.|last9=Poleski|first9=R.|year=2009|issue=3 }}</ref>

<ref name=lsp>{{cite journal|doi=10.1111/j.1365-2966.2009.15401.x|title=Long Secondary Periods in variable red giants|journal=Monthly Notices of the Royal Astronomical Society|volume=399|issue=4|pages=2063|year=2009|last1=Nicholls|first1=C. P.|last2=Wood|first2=P. R.|last3=Cioni|first3=M.-R. L.|last4=Soszyński|first4=I.|doi-access=free |arxiv = 0907.2975 |bibcode = 2009MNRAS.399.2063N |s2cid=19019968 }}</ref>

<ref name=IAU>{{cite journal|doi=10.1017/S0251107X00020988|title=27. Commission des Etoiles Variables|journal=Transactions of the International Astronomical Union|volume=10|pages=398–431|year=2016|last1=Kukarkin|first1=B. V.|doi-access=free}}</ref>

<ref name=GCVS>{{cite web
  |date=12 Feb 2009
  |title=GCVS Variability Types
  |publisher=[[General Catalogue of Variable Stars]] @ [[Centre de données astronomiques de Strasbourg|Sternberg Astronomical Institute, Moscow, Russia]]
  |url=http://www.sai.msu.su/gcvs/gcvs/iii/vartype.txt
  |access-date=2010-11-24}}</ref>
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<ref name="AAVSO">{{cite web 
  |title=Variable Star of the Month&mdash;December, 2000: Alpha Orionis
  |author=Davis, Kate
  |date=2000-12-01
  |publisher=[[American Association of Variable Star Observers]] (AAVSO)
  |url=http://chart.aavso.org/sites/default/files/vsots/1200.pdf
  |access-date=2010-07-14}}</ref>
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<ref name=jaavso>{{cite journal | last1=Otero | first1=S. A. | last2=Moon | first2=T. | title=The Characteristic Period of Pulsation of β Gruis | journal=The Journal of the American Association of Variable Star Observers | volume=34 | issue=2 | pages=156–164 |date=December 2006 | bibcode=2006JAVSO..34..156O }}</ref>

}}