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서지반출
Photometric and Spectroscopic Morphology Classifications Using SDSS DR7 : Virgo Cluster
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  • Photometric and Spectroscopic Morphology Classifications Using SDSS DR7 : Virgo Cluster
  • Photometric and Spectroscopic Morphology Classifications Using SDSS DR7 : Virgo Cluster
저자명
김석,이수창,성언창,이영대,정지원,박민아,이원형,Kim. Suk,Rey. Soo-Chang,Sung. Eon-Chang,Lisker. Thorsten,Jerjen. Helmut,Lee. Young-Dae,Chung. Ji-Won,
간행물명
천문학회보
권/호정보
2011년|36권 2호|pp.69-69 (1 pages)
발행정보
한국천문학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

While the Virgo Cluster Catalog (VCC) is well established catalog from deep photographic plate survey, with available survey data recently released (e.g., SDSS), it can be further updated concerning the membership and morphology of galaxies. While membership and morphology of galaxies included in the VCC are based on the single band imaging data, thanks to the multi-color imaging and spectroscopic observations of SDSS, we are able to revise the membership and morphology of sample galaxies in the fields of the Virgo cluster. We present a new catalog of galaxies in the Virgo cluster using SDSS DR7 data, the extended Virgo cluster catalog. Using SDSS imaging and spectroscopic data, we introduce two kinds of galaxy classifications which are complementary each other. In addition to traditional morphological classification by visual inspection of the images ("Primary Classification"), we also attempt to classify galaxies with the spectroscopic features ("Secondary Classification"). The primary classification is basically based on the scheme of galaxy morphological classification of VCC. The secondary classification relies on the SED shape and presence of emission/absorption lines returned from SDSS. Our morphological classifications allow to study the evolution and associated star formation histories of galaxies in the Virgo cluster.