Results 41 to 50 of about 428,461 (217)
The Fundamental Plane of Open Clusters [PDF]
The Astrophysical Journal Letters, 2018 Abstract We utilize the data from the Apache Point Observatory Galactic Evolution Experiment-2 in the fourteenth data release of the Sloan Digital Sky Survey to calculate the line-of-sight velocity dispersion σ 1D of a sample of old open clusters (aged older than 100 Myr) selected from the Milky Way open cluster catalog
Xiaoying Pang, Shiyin Shen, Zhengyi Shao
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HOMOGENIZED EFFECTIVE TEMPERATURES FOR THE OPEN CLUSTER NGC 188
Odessa Astronomical Publications, 2013 No abstract.
V. Malyuto, S. Zubarev
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Theia 456: Tidally Shredding an Open Cluster
The Astronomical JournalThe application of clustering algorithms to the Gaia astrometric catalog has revolutionized our census of stellar populations in the milky Way, including the discovery of many new dispersed structures. We focus on one such structure, Theia 456 (COIN-Gaia-
Kyle R. Tregoning +6 more
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Multicolor CCD Photometry of the Open Cluster IC 361
Open Astronomy, 2010 CCD photometry in the eight-color Vilnius + I system for 7250 stars down to I =19.6 mag has been obtained in the 20′ × 26′ field of the open cluster IC 361 in Camelopardalis. The catalog of 1420 stars down to V ~ 18.5 mag is presented.
Zdanavičius J. +4 more
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SMEs’ Degree of Openness: The Case of Manufacturing Industries
Journal of Technology Management & Innovation, 2012 This paper clusters SMEs based on their degree of openness. In addition, it explores both the internal and external determinants of the different clusters obtained. Based on a survey of 1214 firms in manufacturing industries and using both the dimensions
Moulay Othman Idrissi Fakhreddine +2 more
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NGC 6994: an open cluster which is not an open cluster
, 2000 We report on CCD photometry in the Johnson B,V and I passbands for 146 stars in a 9' \times 9' region around the southern aggregate NGC 6994 (C 2056-128), which appears in the Lynga (1987) catalogue of open star clusters. We argue that this object is not really an open cluster, but simply a random enhancement of four bright stars above the background ...
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Pulsatin stars in open clusters [PDF]
Communications in Asteroseismology, 2007 We report studies that are carried out with the aim of searching for and studying short-period variable stars in northern open clusters. The background for these studies is described along with the results that have been obtained up to now.
Arentoft, T. +4 more
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Evidence for a Catastrophically Disrupted Open Cluster
The Astrophysical JournalOf the many discoveries uncovered by the Gaia astrometric mission, some of the most exciting are related to nearby dispersed stellar structures. We analyze one such structure in the Milky Way disk, OCSN-49, a coeval stellar stream with 257 identified ...
Alexis N. Miller +7 more
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Long-term investigation of an open cluster Berkeley 65
Frontiers in Astronomy and Space SciencesWe present a decade-long investigation of a poorly studied cluster, Berkeley 65 (Be 65), using deep optical data from the telescopes of ARIES, Nainital Observatory.
Tarak Chand +13 more
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The open cluster Berkeley 53 [PDF]
Astronomische Nachrichten, 2009 AbstractWe present a photometric study of the neglected open cluster Berkeley 53. We derived its fundamental parameters, such as the age, the interstellar reddening, and the distance from the Sun, based on BV photometry combined with near‐infrared JHKS data.
Boyko Mihov +2 more
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