Cl* NGC 1582 BVC 165 , the SIMBAD biblio

2003A&A...407..527B - Astronomy and Astrophysics, volume 407, 527-539 (2003/8-4)

A study of the two northern open clusters NGC 1582 and NGC 1663.


Abstract (from CDS):

We present CCD UBV(I)C observations obtained in the field of the previously unstudied northern open clusters NGC 1582 and NGC 1663. For the former, we also provide high-resolution spectra of the brightest stars and complement our data with Two-Micron All-Sky-Survey (2MASS) near-infrared photometry and with astrometric data from the Tycho-2 catalog. From the analysis of all these data, we argue that NGC 1582 is a very poor, quite large and heavily contaminated open cluster. It turns out to have a reddening EB–V=0.35±0.03, to be situated 1100±100pc from the Sun and to have an age of 300±100Myr. On the other hand, we were not able to unambiguously clarify the nature of NGC 1663. By assuming it is a real cluster and from the analysis of its photometric diagrams, we found a color excess value EB–V=0.20, an intermediate age value (∼2000Myr) and a distance of about 700pc. The distribution of the stars in the region however suggests we are probably facing an open cluster remnant. As an additional result, we obtained aperture photometry of three previously unclassified galaxies placed in the field of NGC 1663 and performed a preliminary morphological classification of them.

Abstract Copyright:

Journal keyword(s): Galaxy: open clusters and associations: general - open clusters and associations: individual: NGC 1582, NGC 1663

VizieR on-line data: <Available at CDS (J/A+A/407/527): table3.dat table5.dat>

Nomenclature: Table 3, col(1): Cl* NGC 1582 BVC NNN (Nos 1-563). Table 5, col(1): Cl* NGC 1663 BVC NNN (Nos 1-131). Table 6: [BVC2003] Galaxy N (Nos 1-3).

Simbad objects: 1373

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