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Related papers: Sejong Open Cluster Survey. I. NGC 2353

200 papers

We present CCD photometry for the Galactic globular cluster NGC 4833. Our BVI color magnitude diagrams (CMD) extend from above the red giant branch (RGB) tip to several magnitudes below the main sequence turnoff. The principal sequences of…

Astrophysics · Physics 2009-10-31 Jason Melbourne , Ata Sarajedini , Andrew Layden , Donald H. Martins

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

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 report the analysis of the young star clusters NGC 1960, NGC 2453 and NGC 2384 observed in the $J$ (1.12 $\mu$m), $H$ (1.65 $\mu$m) and $K^{'}$ (2.2 $\mu$m) bands. Estimates of reddening, distance and age as $E(B-V)=0.25$, $d= 1380$ pc…

Astrophysics · Physics 2009-06-23 Priya Hasan , G. C. Kilambi , S. N. Hasan

We report new photometry for the cluster NGC 2121 in the Large Magellanic Cloud, which shows a prominent hydrogen core exhaustion gap at the turnoff, and a descending subgiant branch remniscent of Galactic open clusters. We achieve an…

Astrophysics · Physics 2009-11-06 R. Michael Rich , Michael M. Shara , David Zurek

We present results from 1078 high resolution spectra of 990 stars in the young open cluster NGC 2264, obtained with the Hectochelle multiobject echelle spectrograph on the 6.5m MMT. We confirm 471 stars as members, based on their radial…

Relative proper motions and cluster membership probabilities have been derived for ~ 2500 stars in the field of the open star cluster NGC 3766. The cluster has been observed in $B$ and $V$ broadband filters at two epochs separated by ~ 6…

Astrophysics of Galaxies · Physics 2015-06-15 R. K. S. Yadav , Devesh P. Sariya , R. Sagar

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

This work presents the first high-precision variability survey in the field of the intermediate-age, metal--rich open cluster NGC 6253. Clusters of this type are benchmarks for stellar evolution models. Continuous photometric monitoring of…

Solar and Stellar Astrophysics · Physics 2015-05-14 Fabrizio De Marchi , Ennio Poretti , Marco Montalto , Silvano Desidera , Giampaolo Piotto

Deep CCD photometry down to V=24.5 is presented for the old Magellanic Globular cluster NGC 2257. The main result cna be summarized as follows: i) the RGB Bump has been detected at V=18.7+-0.1, and is compatible with determination of this…

Astrophysics · Physics 2015-06-24 V. Testa , F. R. Ferraro , E. Brocato , V. Castellani

High signal-to-noise, low-resolution spectra have been obtained for 22 globular clusters (GCs) in NGC 4365. Some of these were selected as probable representatives of an intermediate-age (2-5 Gyr), extremely metal-rich GC subpopulation. The…

Photographic photometries of 789 stars in the region of the open clusters NGC1750 and NGC1758 are derived from a set of 8 photometric plates. According to the astronomical data including proper motions, positions and membership…

Astrophysics · Physics 2016-08-30 K. P. Tian , C. G. Shu , J. L. Zhao , P. B. Stetson , C. Jordi , D. Galadi-Enriquez

$UBVRI$ 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

Aims.We study the photometric and structural properties of the star cluster system in the late type Sc spiral NGC 3370. Methods. BVI observations from the Advanced Camera for Surveys on board of HST are used to analyse in detail the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Michele Cantiello , Enzo Brocato , John P. Blakeslee

The field of the metal-rich open cluster NGC 6253 has been surveyed in a search for variable stars. A total of 25 new variables were detected, 14 of which are bright stars with 13<V<15 mag. This domain was not covered in an earlier work by…

Solar and Stellar Astrophysics · Physics 2014-12-30 J. Kaluzny , M. Rozyczka , W. Pych , I. B. Thompson

BVI photometry (from South Africa Astron. Obs.), Echelle high resolution spectroscopy and AFOSC integral field spectroscopy (from Asiago, Italy) of the young open cluster NGC 6604 are presented. Age, distance, reddening, membership, radial…

Astrophysics · Physics 2009-10-31 R. Barbon , G. Carraro , U. Munari , T. Zwitter , L. Tomasella

We present deep wide-field optical CCD photometry and mid-infrared Spitzer/IRAC and MIPS 24micron data for about 100,000 stars in the young open cluster IC 1805. The members of IC 1805 were selected from their location in the various…

Solar and Stellar Astrophysics · Physics 2020-12-09 Hwankyung Sung , Michael S. Bessell , Moo-Young Chun , Jonghyuk Yi , Y. Naze , Beomdu Lim , R. Karimov , G. Rauw , Byeong-Gon Park , Hyeonoh Hur

We present results of a photometric study into the cluster population of NGC 1566, a nearby grand design spiral galaxy, sampled out to a Galactocentric radius of $\approx 5.5$ kpc. The shape of the mass-limited age distribution shows…

Astrophysics of Galaxies · Physics 2016-06-15 Katherine Hollyhead , Angela Adamo , Nate Bastian , Mark Gieles , Jenna Ryon

Interstellar polarimetric data of the six open clusters Hogg 15, NGC 6611, NGC 5606, NGC 6231, NGC 5749 and NGC 6250 have been used to estimate the membership probability for the stars within them. For proper-motion member stars, the…

Astrophysics of Galaxies · Physics 2015-06-12 Biman J. Medhi , Motohide Tamura

We present deep photometric observations of the open cluster NGC 2477 using HST/WFPC2. By identifying seven cluster white dwarf candidates, we present an analysis of the white dwarf age of this cluster, using both the traditional method of…

Solar and Stellar Astrophysics · Physics 2016-02-19 Elizabeth J. Jeffery , Ted von Hippel , Steven DeGennaro , David van Dyk , Nathan Stein , William H. Jefferys