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$UBVRI$ photometry of the five open clusters Czernik 4, Berkeley 7, NGC 2236, NGC 7226 and King 12 has been carried out using ARIES 104 cm telescope, Nainital. Fundamental cluster parameters such as foreground reddening $E(B-V)$, distance,…

Solar and Stellar Astrophysics · Physics 2015-06-16 Sneh Lata , A. K. Pandey , Saurabh Sharma , Charles Bonatto , Ram Kesh Yadav

We present the results of CCD UBVRI observations of the open cluster NGC 6811 obtained on 18th July 2012 with the 1m telescope at the T\"UB\.ITAK National Observatory (TUG). Using these photometric results, we determine the structural and…

Astrophysics of Galaxies · Physics 2016-08-10 T. Yontan , S. Bilir , Z. F. Bostancı , T. Ak , S. Karaali , T. Güver , S. Ak , S. Duran , E. Paunzen

The first CCD UBV(RI) photometric study in the area of the doubtful open cluster NGC 2129 is presented. Photometry of a field offset 15 arcmin northward is also provided, to probe the Galactic disk population toward the cluster. Using star…

Astrophysics · Physics 2009-11-13 Giovanni Carraro , Brian Chaboyer , James Perencevich

We present the results of CCD $UBV$ photometric and spectroscopic observations of the open cluster NGC 225. In order to determine the structural parameters of NGC 225, we calculated the stellar density profile in the cluster's field. We…

Astrophysics of Galaxies · Physics 2016-10-05 S. Bilir , Z. F. Bostanci , T. Yontan , T. Guver , V. Bakis , T. Ak , S. Ak , E. Paunzen , Z. Eker

In this paper, we present our results for the photometric and kinematical studies of old open cluster NGC 188. We determined various astrophysical parameters like limited radius, core and tidal radii, distance, luminosity and mass…

Solar and Stellar Astrophysics · Physics 2016-06-22 W. H. Elsanhoury , A. A. Haroon , N. V. Chupina , S. V. Vereshchagin , Devesh P. Sariya , R. K. S. Yadav , Ing-Guey Jiang

We present CCD BV and JHK$_{s}$ 2MASS photometric data for the open cluster NGC 1513. We observed 609 stars in the direction of the cluster up to a limiting magnitude of $V\sim19$ mag. The star count method shows that the centre of the…

Astrophysics of Galaxies · Physics 2014-11-20 S. Bilir , T. Guver , I. Khamitov , T. Ak , S. Ak , K. B. Coskunoglu , E. Paunzen , E. Yaz

Open clusters are useful tools to investigate the structure and evolution of the Galactic disk. We have started a long-term project to obtain UBVI CCD Photometry of open clusters which were little studied before, using the Doyak 1.8 m…

Astrophysics · Physics 2007-05-23 H. B. Ann , M. G. Lee , M. Y. Chun , S. -L. Kim , Y. -B. Jeon , B. -G. Park , I. -S. Yuk , H. Sung , S. H. Lee

We conducted a photometric and kinematic analysis of the young open cluster NGC 2345 using CCD \emph{UBV} data from 2-m Himalayan Chandra Telescope (HCT), \emph{Gaia} Data Release 3 (DR3), 2MASS, and the APASS datasets. We found 1732 most…

CCD photometry on the intermediate-band uvbyCaHbeta system is presented for the metal-deficient open cluster, NGC 2243. Restricting the data to probable single members of the cluster using the CMD and the photometric indices alone generates…

Astrophysics · Physics 2009-11-10 B. J. Anthony-Twarog , J. Atwell , B. A. Twarog

The results of astrometric and photometric investigations of the poorly studied open cluster NGC 1513 are presented. The proper motions of 353 stars with the root-mean-square error of 1.9 mas/yr were obtained by means of the automated…

We present a UBV CCD photometric study of four open clusters, NGC 7245, King 9, IC 166 and King 13, located between $l = 90^o - 135^o$. All are embedded in a rich galactic field. NGC 7245 and King 9 are close together in the sky and have…

Astrophysics · Physics 2008-11-26 Annapurni Subramaniam , Bhuwan Chandra Bhatt

The main goal of our project is to obtain a complete picture of individual open clusters from homogeneous data and then search for correlations between their astrophysical parameters. The near-infrared JHKS photometric data from the…

Solar and Stellar Astrophysics · Physics 2011-07-27 Ł. Bukowiecki , G. Maciejewski , P. Konorski , A. Strobel

The BVRcIc CCD photometry in the fields of six open clusters toward the Perseus spiral arm is presented. These data along with JHKs magnitudes taken from 2MASS catalog, have been used to determine cluster's ages, distances and color…

We present UBV CCD observations obtained in the field of the northern open cluster NGC 1220, for which little information is available. We provide also BV CCD photometry of a field 5$^{\prime}$ northward of NGC 1220 to take into account…

Astrophysics · Physics 2009-11-07 S. Ortolani , G. Carraro , S. Covino , E. Bica , B. Barbuy

The optical UBVRI photometric analysis has been established using SLOAN DIGITAL SKY SURVEY (SDSS database) in order to estimate the astrophysical parameters of poorly studied open star cluster IC 2156. The results of the present study are…

Astrophysics of Galaxies · Physics 2017-01-18 A. L. Tadross , Y. H. M. Hendy

To progress in galactic studies based on open clusters, e.g. cluster formation rate or kinematical properties, one needs to improve the number of open clusters observed. However, only half of the 1700 known galactic open clusters have been…

Astrophysics · Physics 2009-11-11 M. Netopil , H. M. Maitzen , E. Paunzen , A. Claret

Deep CCD photometry in the uvby-Hbeta intermediate-band system is presented for the cluster NGC 2548 (M 48). A complete membership analysis based on astrometric and photometric criteria is applied. The photometric analysis of a selected…

Astrophysics · Physics 2015-12-24 L. Balaguer-Nunez , C. Jordi , D. Galadi-Enriquez

In this paper we analyse the evolutionary status and properties of the old open cluster NGC 2355, located in the Galactic anticentre direction, as a part of the long term programme BOCCE. NGC 2355 was observed with LBC@LBT using the Bessel…

Solar and Stellar Astrophysics · Physics 2015-09-30 P. Donati , A. Bragaglia , E. Carretta , V. D'Orazi , M. Tosi , F. Cusano , R. Carini

We present the $UBVRI$ CCD photometry in the region of the open cluster NGC 2421. Radius of the cluster is determined as $\sim$ 3$^\prime$.0 using stellar density profile. Our Study indicates that metallicity of the cluster is $Z \sim$…

Astrophysics · Physics 2009-11-10 R. K. S. Yadav , Ram Sagar

We present UBVRI photometry of stars in the field of the intermediate-age open cluster NGC 559. By determining the stellar membership probabilities derived through a photometric and kinematic study of the cluster, we identify the 22 most…

Astrophysics of Galaxies · Physics 2015-06-17 Yogesh C. Joshi , L. A. Balona , Santosh Joshi , Brijesh Kumar
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