Zhou Zhimin; Wu Hong; Huang Lei; Li Hongbin; Zhou Zhizhong; Jia Junjun; Lam Man I; Zhu Yinan
Source Publicationresearchinastronomyandastrophysics
AbstractWe present an analysis of the metallicity and star formation activities of H II regions in the interacting system Arp 86, based on the first scientific observations using multi-object spectroscopy with the 2.16 m telescope at the Xinglong Observing Station. We find that the oxygen abundance gradient in Arp 86 is flatter than that in normal disk galaxies, which confirms that gas inflows caused by tidal forces during encounters can flatten the metallicity distributions in galaxies. The companion galaxy NGC 7752 is currently experiencing a galaxy-wide starburst with a higher star formation rate surface density than the main galaxy NGC 7753, which can be explained in that the companion galaxy is more susceptible to the effects of interaction than the primary. We also find that the galaxy 2MASX J23470758+2926531 has similar abundance and star formation properties to NGC 7753, and may be a part of the Arp 86 system.
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou Zhimin,Wu Hong,Huang Lei,et al. metallicityandstarformationactivitiesoftheinteractingsystemarp86fromobservationswithmosonthexinglong216mtelescope[J]. researchinastronomyandastrophysics,2014,14(11):1393.
APA Zhou Zhimin.,Wu Hong.,Huang Lei.,Li Hongbin.,Zhou Zhizhong.,...&Zhu Yinan.(2014).metallicityandstarformationactivitiesoftheinteractingsystemarp86fromobservationswithmosonthexinglong216mtelescope.researchinastronomyandastrophysics,14(11),1393.
MLA Zhou Zhimin,et al."metallicityandstarformationactivitiesoftheinteractingsystemarp86fromobservationswithmosonthexinglong216mtelescope".researchinastronomyandastrophysics 14.11(2014):1393.
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