An Hα Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA H i Survey
We present a narrow H α -band imaging survey of 357 low surface brightness galaxies (LSBGs) that are selected from the spring sky region of the 40% Arecibo Legacy Fast Arecibo L -band Feed Array (ALFALFA) H i Survey. All the H α images are obtained from the 2.16 m telescope, operated by the Xinglong...
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| Veröffentlicht in: | The Astrophysical journal. Supplement series 2019-05, Vol.242 (1), p.11, Article 11 |
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| creator | Lei, Feng-Jie Wu, Hong Zhu, Yi-Nan Du, Wei He, Min Jin, Jun-Jie Zhao, Pin-Song Zhang, Bing-Qing |
| description | We present a narrow H
α
-band imaging survey of 357 low surface brightness galaxies (LSBGs) that are selected from the spring sky region of the 40% Arecibo Legacy Fast Arecibo
L
-band Feed Array (ALFALFA) H
i
Survey. All the H
α
images are obtained from the 2.16 m telescope, operated by the Xinglong Observatory of the National Astronomical Observatories, Chinese Academy of Sciences. We provide the H
α
fluxes and derive the global star formation rates (SFRs) of LSBGs after the Galactic extinction, internal extinction, and [N
ii
] contamination correction. Compared to normal star-forming galaxies, LSBGs have a similar distribution in the H
i
surface density (Σ
H
i
), but their SFRs and star formation surface density (Σ
SFR
) are much lower. Our results show that the gas-rich LSBGs selected from the ALFALFA survey obviously deviate from the Kennicutt–Schmidt law, in the relation between the star formation surface density (Σ
SFR
) and the gas surface density (Σ
gas
). However, they follow the extended Schmidt law well when taking the stellar mass of the galaxy into consideration. |
| doi_str_mv | 10.3847/1538-4365/ab16ee |
| format | Article |
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α
-band imaging survey of 357 low surface brightness galaxies (LSBGs) that are selected from the spring sky region of the 40% Arecibo Legacy Fast Arecibo
L
-band Feed Array (ALFALFA) H
i
Survey. All the H
α
images are obtained from the 2.16 m telescope, operated by the Xinglong Observatory of the National Astronomical Observatories, Chinese Academy of Sciences. We provide the H
α
fluxes and derive the global star formation rates (SFRs) of LSBGs after the Galactic extinction, internal extinction, and [N
ii
] contamination correction. Compared to normal star-forming galaxies, LSBGs have a similar distribution in the H
i
surface density (Σ
H
i
), but their SFRs and star formation surface density (Σ
SFR
) are much lower. Our results show that the gas-rich LSBGs selected from the ALFALFA survey obviously deviate from the Kennicutt–Schmidt law, in the relation between the star formation surface density (Σ
SFR
) and the gas surface density (Σ
gas
). However, they follow the extended Schmidt law well when taking the stellar mass of the galaxy into consideration.</description><identifier>ISSN: 0067-0049</identifier><identifier>EISSN: 1538-4365</identifier><identifier>DOI: 10.3847/1538-4365/ab16ee</identifier><language>eng</language><publisher>Saskatoon: IOP Publishing</publisher><subject>Alfalfa ; Astronomical observatories ; Celestial bodies ; Density ; Extinction ; Fluxes ; Galaxies ; Galaxy distribution ; Gold ; Interstellar extinction ; Observatories ; Sky surveys (astronomy) ; Star & galaxy formation ; Star formation ; Stellar mass ; Surface brightness</subject><ispartof>The Astrophysical journal. Supplement series, 2019-05, Vol.242 (1), p.11, Article 11</ispartof><rights>Copyright IOP Publishing May 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-5522246395902b3f47a64974856f36c91194f378313fbc95250c9c4a42e2bb3e3</citedby><cites>FETCH-LOGICAL-c313t-5522246395902b3f47a64974856f36c91194f378313fbc95250c9c4a42e2bb3e3</cites><orcidid>0000-0003-0408-5497 ; 0000-0002-8402-3722 ; 0000-0002-4328-538X ; 0000-0001-6139-7660 ; 0000-0003-4546-8216</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Lei, Feng-Jie</creatorcontrib><creatorcontrib>Wu, Hong</creatorcontrib><creatorcontrib>Zhu, Yi-Nan</creatorcontrib><creatorcontrib>Du, Wei</creatorcontrib><creatorcontrib>He, Min</creatorcontrib><creatorcontrib>Jin, Jun-Jie</creatorcontrib><creatorcontrib>Zhao, Pin-Song</creatorcontrib><creatorcontrib>Zhang, Bing-Qing</creatorcontrib><title>An Hα Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA H i Survey</title><title>The Astrophysical journal. Supplement series</title><description>We present a narrow H
α
-band imaging survey of 357 low surface brightness galaxies (LSBGs) that are selected from the spring sky region of the 40% Arecibo Legacy Fast Arecibo
L
-band Feed Array (ALFALFA) H
i
Survey. All the H
α
images are obtained from the 2.16 m telescope, operated by the Xinglong Observatory of the National Astronomical Observatories, Chinese Academy of Sciences. We provide the H
α
fluxes and derive the global star formation rates (SFRs) of LSBGs after the Galactic extinction, internal extinction, and [N
ii
] contamination correction. Compared to normal star-forming galaxies, LSBGs have a similar distribution in the H
i
surface density (Σ
H
i
), but their SFRs and star formation surface density (Σ
SFR
) are much lower. Our results show that the gas-rich LSBGs selected from the ALFALFA survey obviously deviate from the Kennicutt–Schmidt law, in the relation between the star formation surface density (Σ
SFR
) and the gas surface density (Σ
gas
). However, they follow the extended Schmidt law well when taking the stellar mass of the galaxy into consideration.</description><subject>Alfalfa</subject><subject>Astronomical observatories</subject><subject>Celestial bodies</subject><subject>Density</subject><subject>Extinction</subject><subject>Fluxes</subject><subject>Galaxies</subject><subject>Galaxy distribution</subject><subject>Gold</subject><subject>Interstellar extinction</subject><subject>Observatories</subject><subject>Sky surveys (astronomy)</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>Stellar mass</subject><subject>Surface brightness</subject><issn>0067-0049</issn><issn>1538-4365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1UFtLwzAYDaLgnL77GBAf65Lm1jzO4S5QEJw-lzQmXWfXziRT9-J_8o_4m2w39UEQPvjgcC6cA8A5RlckoWKAGUkiSjgbqBxzYw5A7xc6BD2EuIgQovIYnHi_RAgJRmQPvA9rOP38gLOVKsq6gPONezFb2FgYFgamzWuHWKUNvHZlsQi18R5OVKXeSuPh3FRGB_MIrWtWO8V87XY2T1t4Z4qyqX-sKLqEw3TcHZzC8jvoFBxZVXlz9v374GF8cz-aRuntZDYappEmmISIsTiOKSeSSRTnxFKhOJWCJoxbwrXEWFJLRNKSba4lixnSUlNFYxPnOTGkDy72vmvXPG-MD9my2bi6jcxiwgRHHDPRstCepV3jvTM2a9uslNtmGGXdylk3adZNmu1XbiX8j0SXQYW2eHCqrP4XfgFm1X-9</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Lei, Feng-Jie</creator><creator>Wu, Hong</creator><creator>Zhu, Yi-Nan</creator><creator>Du, Wei</creator><creator>He, Min</creator><creator>Jin, Jun-Jie</creator><creator>Zhao, Pin-Song</creator><creator>Zhang, Bing-Qing</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-0408-5497</orcidid><orcidid>https://orcid.org/0000-0002-8402-3722</orcidid><orcidid>https://orcid.org/0000-0002-4328-538X</orcidid><orcidid>https://orcid.org/0000-0001-6139-7660</orcidid><orcidid>https://orcid.org/0000-0003-4546-8216</orcidid></search><sort><creationdate>20190501</creationdate><title>An Hα Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA H i Survey</title><author>Lei, Feng-Jie ; Wu, Hong ; Zhu, Yi-Nan ; Du, Wei ; He, Min ; Jin, Jun-Jie ; Zhao, Pin-Song ; Zhang, Bing-Qing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-5522246395902b3f47a64974856f36c91194f378313fbc95250c9c4a42e2bb3e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alfalfa</topic><topic>Astronomical observatories</topic><topic>Celestial bodies</topic><topic>Density</topic><topic>Extinction</topic><topic>Fluxes</topic><topic>Galaxies</topic><topic>Galaxy distribution</topic><topic>Gold</topic><topic>Interstellar extinction</topic><topic>Observatories</topic><topic>Sky surveys (astronomy)</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>Stellar mass</topic><topic>Surface brightness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lei, Feng-Jie</creatorcontrib><creatorcontrib>Wu, Hong</creatorcontrib><creatorcontrib>Zhu, Yi-Nan</creatorcontrib><creatorcontrib>Du, Wei</creatorcontrib><creatorcontrib>He, Min</creatorcontrib><creatorcontrib>Jin, Jun-Jie</creatorcontrib><creatorcontrib>Zhao, Pin-Song</creatorcontrib><creatorcontrib>Zhang, Bing-Qing</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The Astrophysical journal. Supplement series</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lei, Feng-Jie</au><au>Wu, Hong</au><au>Zhu, Yi-Nan</au><au>Du, Wei</au><au>He, Min</au><au>Jin, Jun-Jie</au><au>Zhao, Pin-Song</au><au>Zhang, Bing-Qing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Hα Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA H i Survey</atitle><jtitle>The Astrophysical journal. Supplement series</jtitle><date>2019-05-01</date><risdate>2019</risdate><volume>242</volume><issue>1</issue><spage>11</spage><pages>11-</pages><artnum>11</artnum><issn>0067-0049</issn><eissn>1538-4365</eissn><abstract>We present a narrow H
α
-band imaging survey of 357 low surface brightness galaxies (LSBGs) that are selected from the spring sky region of the 40% Arecibo Legacy Fast Arecibo
L
-band Feed Array (ALFALFA) H
i
Survey. All the H
α
images are obtained from the 2.16 m telescope, operated by the Xinglong Observatory of the National Astronomical Observatories, Chinese Academy of Sciences. We provide the H
α
fluxes and derive the global star formation rates (SFRs) of LSBGs after the Galactic extinction, internal extinction, and [N
ii
] contamination correction. Compared to normal star-forming galaxies, LSBGs have a similar distribution in the H
i
surface density (Σ
H
i
), but their SFRs and star formation surface density (Σ
SFR
) are much lower. Our results show that the gas-rich LSBGs selected from the ALFALFA survey obviously deviate from the Kennicutt–Schmidt law, in the relation between the star formation surface density (Σ
SFR
) and the gas surface density (Σ
gas
). However, they follow the extended Schmidt law well when taking the stellar mass of the galaxy into consideration.</abstract><cop>Saskatoon</cop><pub>IOP Publishing</pub><doi>10.3847/1538-4365/ab16ee</doi><orcidid>https://orcid.org/0000-0003-0408-5497</orcidid><orcidid>https://orcid.org/0000-0002-8402-3722</orcidid><orcidid>https://orcid.org/0000-0002-4328-538X</orcidid><orcidid>https://orcid.org/0000-0001-6139-7660</orcidid><orcidid>https://orcid.org/0000-0003-4546-8216</orcidid><oa>free_for_read</oa></addata></record> |
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| source | IOP Publishing Free Content; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Alma/SFX Local Collection |
| subjects | Alfalfa Astronomical observatories Celestial bodies Density Extinction Fluxes Galaxies Galaxy distribution Gold Interstellar extinction Observatories Sky surveys (astronomy) Star & galaxy formation Star formation Stellar mass Surface brightness |
| title | An Hα Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA H i Survey |
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