HD 16690

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Homogeneous Photometry for Star Clusters and Resolved Galaxies. I. A Survey of Bright Stars in the Fornax Dwarf Spheroidal Galaxy
We present accurate photometry on the Johnson B, Kron-Cousins Rphotometric system for approximately 100,000 stars in a 1/3 deg^2 fieldcentered on the dwarf spheroidal galaxy in Fornax. We identify numerousprobable short-period variable stars, blue stars that appear to be themain sequence of a small population with an age of order 10^8 yr, andtwo distinct types of luminous red star: an extended sequence ofprimarily carbon stars and a clump of mostly M giants slightly moreluminous than the giant-branch tip. The spatial distribution of each ofthese subpopulations within the Fornax dwarf galaxy is considered.

Integrated Magnitudes and Color Indices of the Fornax Dwarf Galaxy
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968ApJ...151..105D&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Ocak
Sað Açýklýk:	02^h39^m35.23^s
Yükselim:	-34Â°30'37.0"
Görünürdeki Parlaklýk:	8.291
Uzaklýk:	227.79 parsek
özdevim Sað Açýklýk:	7.4
özdevim Yükselim:	-1.2
B-T magnitude:	9.87
V-T magnitude:	8.422

Kataloglar ve belirtme:

Özgün isimleri
HD 1989	HD 16690
TYCHO-2 2000	TYC 7014-807-1
USNO-A2.0	USNO-A2 0525-00894535
HIP	HIP 12393

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