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HD 151556


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Interstellar polarization from observations of A and F stars in high and intermediate galactic latitudes, and from stars in the Mathewson and Ford polarization catalogue
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1986A&AS...64..487K&db_key=AST

UVBY beta photometry of 210 B, A, and F stars in ten areas centered on extragalactic radio sources at high northern galactic latitudes
As part of a study of the reddening properties of the interstellarmedium at the South Galactic pole and particularly along the southernpart of the galactic plane, a catalog of ubvy beta photometry of 210 B,A, and F stars in 10 areas of equal size covering 160 sq deg atlatitudes higher than +30 deg is presented. Each of the observed areasis centered at radio sources that have emission or absorption in the21-cm line; and the main aim of the study is to obtain color excessesfor a comparison of neutral hydrogen column densities, tentativelyassociated with distinct clouds and with the occurrence of dust in theseclouds. V, (b-y), m1, c1, and beta are presented for the 210 stars.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Herkul
Sað Açýklýk:16h47m50.95s
Yükselim:+06°36'13.2"
Görünürdeki Parlaklýk:9.139
özdevim Sað Açýklýk:0.4
özdevim Yükselim:4
B-T magnitude:9.257
V-T magnitude:9.149

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 151556
TYCHO-2 2000TYC 396-1521-1
USNO-A2.0USNO-A2 0900-08967890
HIPHIP 82225

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