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HD 28639


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The Solar Neighborhood. VI. New Southern Nearby Stars Identified by Optical Spectroscopy
Broadband optical spectra are presented for 34 known and candidatenearby stars in the southern sky. Spectral types are determined using anew method that compares the entire spectrum with spectra of more than100 standard stars. We estimate distances to 13 candidate nearby starsusing our spectra and new or published photometry. Six of these starsare probably within 25 pc, and two are likely to be within the ResearchConsortium on Nearby Stars (RECONS) horizon of 10 pc.

On excitation through radiative pumping of the Fe II UV-Mult. 191 lambda 1785-88 A observed with IUE during the eclipse of 32 CYG
Abstract image available at:http://adsabs.harvard.edu/abs/1982A&A...107...36H

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Irmak
Sað Açýklýk:04h29m43.43s
Yükselim:-29°01'47.2"
Görünürdeki Parlaklýk:7.741
Uzaklýk:458.716 parsek
özdevim Sað Açýklýk:-30.8
özdevim Yükselim:-33.4
B-T magnitude:9.374
V-T magnitude:7.876

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 28639
TYCHO-2 2000TYC 6470-1454-1
USNO-A2.0USNO-A2 0600-01828510
HIPHIP 20965
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