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Related papers: A Star Catalog for the Open Cluster NGC188

200 papers

We present a catalog of 2,990 extended sources in a 1deg x1deg area centered on M33 using the MegaCam camera on the 3.6m Canada-France-Hawaii telescope (CFHT). The catalog includes 599 new candidate stellar clusters, 204 previously…

Astrophysics of Galaxies · Physics 2015-05-19 Izaskun San Roman , Ata Sarajedini , Antonio Aparicio

We present wide-field, ground-based Johnson-Cousins UBVRI photometry for 48 Galactic globular clusters based on almost 90000 public and proprietary images. The photometry is calibrated with the latest transformations obtained in the…

Solar and Stellar Astrophysics · Physics 2019-03-13 P. B. Stetson , E. Pancino , A. Zocchi , N. Sanna , M. Monelli

We present a comprehensive photometric study of the old open cluster, NGC 6819 using 1x1 degree field VI MOSAIC CCD imaging taken with the WIYN 0.9m telescope. The resultant color-magnitude diagram (CMD) shows a well developed main sequence…

Solar and Stellar Astrophysics · Physics 2015-06-12 Soung-Chul Yang , Ata Sarajedini , Constantine P. Deliyannis , Angela R. Sarrazine , Sang Chul Kim , Jaemann Kyeong

The present study of the open cluster Collinder 223 (Cr 223) has been mainly depended on the photoelectric data of Claria & Lapasset (1991; hereafter CL91). This data of CL91 has been used with the cluster's image of AAO-DSS in order to…

Astrophysics · Physics 2014-10-13 A. L. Tadross

We use differential CCD photometry to search for variability in BVI among 990 stars projected in and around the old open cluster M 67. In a previous paper we reported results for 22 cluster members that are optical counterparts to X-ray…

Astrophysics · Physics 2009-11-07 K. G. Stassun , M. van den Berg , R. D. Mathieu , F. Verbunt

We present a new cluster-finding algorithm based on a combination of the Voronoi Tessellation and Friends-Of-Friends methods. The algorithm utilises probability distribution functions derived from a photometric redshift analysis and is…

Astrophysics · Physics 2007-05-23 Lee Clewley , Caroline van Breukelen , David Bonfield

We report on CCD optical (B and V passbands) and near IR (J and K bands) observations in the region of the old open cluster NGC 2141. By combining the two sets of photometry (500 stars in common) we derive new estimates of the cluster…

Astrophysics · Physics 2009-11-06 G. Carraro , S. Hassan , S. Ortolani , A. Vallenari

This work presents the charge-coupled device (CCD) photometric survey of the old open cluster NGC 188. Time-series V-band photometric observations were conducted for ten nights in January 2017 using the Nanshan One-meter Wide-field…

Solar and Stellar Astrophysics · Physics 2023-08-16 Fang-Fang Song , Hu-Biao Niu , Ali Esamdin , Yu Zhang , Xiang-Yun Zeng

We present the first comparisons of a newly developed Galactic Structure and Kinematic Model to magnitude and color counts, as well as relative proper motions, in the fields of the open clusters NGC 188 [(l, b)= (122.8 deg, +22.4 deg)] and…

Astrophysics · Physics 2009-10-28 R. A. Mendez , W. F van Altena

We present the results from a three night, time-series study of the open cluster NGC 6791 using the Megacam wide-field mosaic CCD camera on the 6.5m MMT telescope. The aim of this study was to demonstrate the ability to obtain very high…

Astrophysics · Physics 2009-09-29 J. D. Hartman , K. Z. Stanek , B. S. Gaudi , M. J. Holman , B. A. McLeod

We studied the structure of two old open clusters, NGC 1245 and NGC 2506, from a wide and deep VI photometry data acquired using the CFH12K CCD camera at CFHT. We devised a new method for assigning cluster membership probability to…

Astrophysics of Galaxies · Physics 2015-06-15 S. H. Lee , Y. -W. Kang , H. B. Ann

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

In the second paper of the series we continue the investigation of open cluster fundamental parameters using a robust global optimization method to fit model isochrones to photometric data. We present optical UBVRI CCD photometry…

Solar and Stellar Astrophysics · Physics 2016-08-24 Hektor Monteiro , Wilton S. Dias , Gabriel R. Hickel , Thiago C. Caetano

Multiple generations of stars are routinely encountered in globular clusters but no convincing evidence has been found in Galactic open clusters to date. In this paper we use new photometric and spectroscopic data to search for multiple…

Astrophysics of Galaxies · Physics 2015-06-19 Giovanni Carraro , Gayandhi de Silva , Lorenzo Monaco , Antonino Milone , Renee Mateluna

A search for variable stars in the globular cluster NGC 288 was carried out using a time-series of CCD images in the $V$ and $I$ filters. The photometry of all stellar sources in the field of view of our images, down to $V\approx19$ mag,…

Solar and Stellar Astrophysics · Physics 2014-01-23 A. Arellano Ferro , D. M. Bramich , S. Giridhar , R. Figuera Jaimes , N. Kains , K. Kuppuswamy

Context: The VISTA Variables in the Via Lactea (VVV) and its extension (VVVX) are near-infrared surveys mapping the Galactic bulge and adjacent disk. These data have enabled the discovery of numerous star clusters obscured by high and…

We present new imaging measurements of 27 individual globular clusters in the halo of the nearby elliptical galaxy NGC 5128, obtained with the Hubble Space Telescope STIS and WFPC2 cameras. Combining these with similar data for selected…

Astrophysics · Physics 2009-11-07 W. E. Harris , G. L. H. Harris , S. T. Holland , D. E. McLaughlin

In this work we improve a previously published method to calculate in a reliable way the radius of an open cluster. The method is based on the behaviour of stars in the proper motion space as the sampling changes in the position space. Here…

Astrophysics of Galaxies · Physics 2020-05-27 Nestor Sanchez , Emilio Alfaro , Fatima Lopez-Martinez

Time-series CCD photometric observations of the intermediate-age open cluster NGC 2099 were performed to search for variable stars. We also carried out BV photometry to study physical properties of variables in the cluster. Using V-band…

Astrophysics · Physics 2009-11-13 Y. B. Kang , S. -L. Kim , S. -C. Rey , C. -U. Lee , Y. H. Kim , J. -R. Koo , Y. -B. Jeon

We report on a new, wide field ($20^{\prime} \times 20^{\prime}$), multicolor ($UBVI$), photometric campaign in the area of the nearby old open cluster NGC 2112. At the same time, we provide medium-resolution spectroscopy of 35 (and…

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