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New Optical and Infrared Photometric Study of Young Open Star Cluster NGC 7790
We present deep CCD photometry ( V ~ 21 mag) in BVR Johnson-Cousin filters supported with 2MASS JHKs data set for the open star cluster NGC 7790. The cluster’s parameters such as reddening, distance, metallicity and age etc… are derived using two color diagrams in optical and near-infrared bands. Th...
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| Published in: | Astrophysics 2020-06, Vol.63 (2), p.217-227 |
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| Main Authors: | , , |
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| Language: | English |
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| container_end_page | 227 |
| container_issue | 2 |
| container_start_page | 217 |
| container_title | Astrophysics |
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| creator | Haroon, A. A. Alrehaili, R. M. Ismail, H. A. |
| description | We present deep CCD photometry (
V
~ 21 mag) in BVR Johnson-Cousin filters supported with 2MASS JHKs data set for the open star cluster NGC 7790. The cluster’s parameters such as reddening, distance, metallicity and age etc… are derived using two color diagrams in optical and near-infrared bands. These parameters are
E
B-V
= 0.512 ± 0.006,
E
V-R
= 0.382 ± 0.005,
E
J-H
= 0.337 ± 0.001 and
E
J-Ks
= 0.505 ± 0.001 mag, the distance modulus (
m
-
M
)
0
= 12.41 ± 0.001 mag, which gives a distance of 3.035 kpc and the metallicity
Z
= 0.008. The age obtained by fitting the observed CMDs with Padova isochrones is 63.95 Myr. From the analysis of 2MASS data, the limiting radius of the cluster is found to be 9.7 ± 0.83 arcmin, it reflects that the cluster is a compact cluster. The dynamical relaxation time of NGC 7790 is also determined and found to be 0.17 of its age, which means that the cluster is dynamically relaxed. Moreover, luminosity and mass functions are also investigated. |
| doi_str_mv | 10.1007/s10511-020-09627-2 |
| format | article |
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V
~ 21 mag) in BVR Johnson-Cousin filters supported with 2MASS JHKs data set for the open star cluster NGC 7790. The cluster’s parameters such as reddening, distance, metallicity and age etc… are derived using two color diagrams in optical and near-infrared bands. These parameters are
E
B-V
= 0.512 ± 0.006,
E
V-R
= 0.382 ± 0.005,
E
J-H
= 0.337 ± 0.001 and
E
J-Ks
= 0.505 ± 0.001 mag, the distance modulus (
m
-
M
)
0
= 12.41 ± 0.001 mag, which gives a distance of 3.035 kpc and the metallicity
Z
= 0.008. The age obtained by fitting the observed CMDs with Padova isochrones is 63.95 Myr. From the analysis of 2MASS data, the limiting radius of the cluster is found to be 9.7 ± 0.83 arcmin, it reflects that the cluster is a compact cluster. The dynamical relaxation time of NGC 7790 is also determined and found to be 0.17 of its age, which means that the cluster is dynamically relaxed. Moreover, luminosity and mass functions are also investigated.</description><identifier>ISSN: 0571-7256</identifier><identifier>EISSN: 1573-8191</identifier><identifier>DOI: 10.1007/s10511-020-09627-2</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Age ; Astronomy ; Astrophysics ; Astrophysics and Astroparticles ; Astrophysics and Cosmology ; Clusters ; Infrared imaging ; Infrared photometry ; Luminosity ; Metallicity ; Methods ; Observations and Techniques ; Optical properties ; Parameters ; Photometry ; Physics ; Physics and Astronomy ; Relaxation time ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Star clusters ; Stars</subject><ispartof>Astrophysics, 2020-06, Vol.63 (2), p.217-227</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>COPYRIGHT 2020 Springer</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c371t-bdb2b189b47eb93bcc73488b6ce214f1df07dcb72ec3305118eecb5cdb67357f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Haroon, A. A.</creatorcontrib><creatorcontrib>Alrehaili, R. M.</creatorcontrib><creatorcontrib>Ismail, H. A.</creatorcontrib><title>New Optical and Infrared Photometric Study of Young Open Star Cluster NGC 7790</title><title>Astrophysics</title><addtitle>Astrophysics</addtitle><description>We present deep CCD photometry (
V
~ 21 mag) in BVR Johnson-Cousin filters supported with 2MASS JHKs data set for the open star cluster NGC 7790. The cluster’s parameters such as reddening, distance, metallicity and age etc… are derived using two color diagrams in optical and near-infrared bands. These parameters are
E
B-V
= 0.512 ± 0.006,
E
V-R
= 0.382 ± 0.005,
E
J-H
= 0.337 ± 0.001 and
E
J-Ks
= 0.505 ± 0.001 mag, the distance modulus (
m
-
M
)
0
= 12.41 ± 0.001 mag, which gives a distance of 3.035 kpc and the metallicity
Z
= 0.008. The age obtained by fitting the observed CMDs with Padova isochrones is 63.95 Myr. From the analysis of 2MASS data, the limiting radius of the cluster is found to be 9.7 ± 0.83 arcmin, it reflects that the cluster is a compact cluster. The dynamical relaxation time of NGC 7790 is also determined and found to be 0.17 of its age, which means that the cluster is dynamically relaxed. Moreover, luminosity and mass functions are also investigated.</description><subject>Age</subject><subject>Astronomy</subject><subject>Astrophysics</subject><subject>Astrophysics and Astroparticles</subject><subject>Astrophysics and Cosmology</subject><subject>Clusters</subject><subject>Infrared imaging</subject><subject>Infrared photometry</subject><subject>Luminosity</subject><subject>Metallicity</subject><subject>Methods</subject><subject>Observations and Techniques</subject><subject>Optical properties</subject><subject>Parameters</subject><subject>Photometry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Relaxation time</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Star clusters</subject><subject>Stars</subject><issn>0571-7256</issn><issn>1573-8191</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kU1LAzEQhoMoWD_-gKeAJw-r-ehuNkcpWgulitWDp5BkJ3Wl3dQki_rvjVaQgkgOA8PzTJh5ETqh5JwSIi4iJSWlBWGkILJiomA7aEBLwYuaSrqLBqQUtBCsrPbRQYwvhGRMVgM0m8Ebvl2n1uol1l2DJ50LOkCD75598itIobV4nvrmA3uHn3zfLTIPXe7pgEfLPiYIeDYeYSEkOUJ7Ti8jHP_UQ_R4ffUwuimmt-PJ6HJaWC5oKkxjmKG1NEMBRnJjreDDujaVBUaHjjaOiMYawcBy_rVZDWBNaRtTCV4Kxw_R6WbuOvjXHmJSL74PXf5SsSEtST5HLX6phV6CajvnU9B21UarLismuRRcVpk6_4PKr4FVa30Hrs39LeFsS8hMgve00H2MajK_32bZhrXBxxjAqXVoVzp8KErUV3RqE53K0anv6BTLEt9IMcPdAsLvdv9Yn-2dmAI</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Haroon, A. A.</creator><creator>Alrehaili, R. M.</creator><creator>Ismail, H. A.</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>20200601</creationdate><title>New Optical and Infrared Photometric Study of Young Open Star Cluster NGC 7790</title><author>Haroon, A. A. ; Alrehaili, R. M. ; Ismail, H. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-bdb2b189b47eb93bcc73488b6ce214f1df07dcb72ec3305118eecb5cdb67357f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Age</topic><topic>Astronomy</topic><topic>Astrophysics</topic><topic>Astrophysics and Astroparticles</topic><topic>Astrophysics and Cosmology</topic><topic>Clusters</topic><topic>Infrared imaging</topic><topic>Infrared photometry</topic><topic>Luminosity</topic><topic>Metallicity</topic><topic>Methods</topic><topic>Observations and Techniques</topic><topic>Optical properties</topic><topic>Parameters</topic><topic>Photometry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Relaxation time</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Star clusters</topic><topic>Stars</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Haroon, A. A.</creatorcontrib><creatorcontrib>Alrehaili, R. M.</creatorcontrib><creatorcontrib>Ismail, H. A.</creatorcontrib><collection>CrossRef</collection><collection>Science in Context</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Astrophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Haroon, A. A.</au><au>Alrehaili, R. M.</au><au>Ismail, H. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New Optical and Infrared Photometric Study of Young Open Star Cluster NGC 7790</atitle><jtitle>Astrophysics</jtitle><stitle>Astrophysics</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>63</volume><issue>2</issue><spage>217</spage><epage>227</epage><pages>217-227</pages><issn>0571-7256</issn><eissn>1573-8191</eissn><abstract>We present deep CCD photometry (
V
~ 21 mag) in BVR Johnson-Cousin filters supported with 2MASS JHKs data set for the open star cluster NGC 7790. The cluster’s parameters such as reddening, distance, metallicity and age etc… are derived using two color diagrams in optical and near-infrared bands. These parameters are
E
B-V
= 0.512 ± 0.006,
E
V-R
= 0.382 ± 0.005,
E
J-H
= 0.337 ± 0.001 and
E
J-Ks
= 0.505 ± 0.001 mag, the distance modulus (
m
-
M
)
0
= 12.41 ± 0.001 mag, which gives a distance of 3.035 kpc and the metallicity
Z
= 0.008. The age obtained by fitting the observed CMDs with Padova isochrones is 63.95 Myr. From the analysis of 2MASS data, the limiting radius of the cluster is found to be 9.7 ± 0.83 arcmin, it reflects that the cluster is a compact cluster. The dynamical relaxation time of NGC 7790 is also determined and found to be 0.17 of its age, which means that the cluster is dynamically relaxed. Moreover, luminosity and mass functions are also investigated.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s10511-020-09627-2</doi><tpages>11</tpages></addata></record> |
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| subjects | Age Astronomy Astrophysics Astrophysics and Astroparticles Astrophysics and Cosmology Clusters Infrared imaging Infrared photometry Luminosity Metallicity Methods Observations and Techniques Optical properties Parameters Photometry Physics Physics and Astronomy Relaxation time Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Star clusters Stars |
| title | New Optical and Infrared Photometric Study of Young Open Star Cluster NGC 7790 |
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