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HD 96751


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Radio star catalogue observed in San Juan (RSSJ95)
Using the data observed in San Juan with the photoelectric AstrolabeMark II of the Beijing Astronomical Observatory from February, 1992 toMarch, 1997, the radio star catalogue in San Juan(RSSJ95) has beencompiled. There are 69 radio stars in this catalogue. The positions ofthe radio stars are for the epoch of observation and the equinox J2000.0and a system close to that of the system FK5. The mean precisions are+/-2.2 ms and +/-0.035'' in right ascensions and declinations,respectively. The magnitudes of stars are from 0.9 to 10.7. Thedeclinations are from -2fdg 5 to -60(deg) . The mean epoch is 1995.1.Finally, the comparison results between the Hipparcos catalogue andRSSJ95 are given.

San Juan radio star catalogue and comparison with HIPPARCOS catalogue.
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Radio continuum emission from stars: a catalogue update.
An updated version of my catalogue of radio stars is presented. Somestatistics and availability are discussed.

An astrometric catalogue of radio stars
The first part is presented of a radio star catalog encompassing 186objects whose selection was guided by the priority criteria of theHipparchos Input Catalogue Consortium. Since these criteria are wellsuited to the need for linkage of ground-based optical systems to radioreference frames, this first selection is also considered a suitablebase for the catalog. Seventeen categories of stellar parameters arefurnished for each of the stars, including optical and radio positions,optical and radio parallax, radial velocity, type of variability, andoptical structure.

Optical positions of radiostars.
Precise optical positions, relative to either the Perth 70 or the AGK3Rcatalogs, are presented for 38 radiostars which have been proposed ascandidates for the Hipparcos observing list. The observations wereobtained with the 70/100/210 cm Maksutov Astrograph at the EstacionAstronomica de Cerro El Roble. The precision levels are shown to beabout 0.2 arcsec in both coordinates.

A microwave survey of southern active stars
The results of a survey of 153 active-chromosphere stars made with theParkes 64-m telescope at 5.0/8.4 GHz from 1981 to 1987 are reported.Microwave emission was detected from 70 stars on at least one occasion,with the highest detection rate of 68 percent from the RS CVn group. TheCa II stars and Algol-type binaries yielded detection rates of 44 and 30percent, respectively. The maximum powers emitted by the stars at5.0/8.4 GHz ranged over five orders of magnitude, with a median of 2.5 x10 to the 10th W/Hz. The maximum brightness temperatures had a smallerrange of three orders of magnitude, with a median of 3.6 x 10 to the 9thK.

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Takýmyýldýz:Erbogan
Sað Açýklýk:11h07m56.27s
Yükselim:-51°07'07.6"
Görünürdeki Parlaklýk:9.9
özdevim Sað Açýklýk:-131
özdevim Yükselim:36.5
B-T magnitude:10.658
V-T magnitude:9.963

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 96751
TYCHO-2 2000TYC 8212-1517-1
USNO-A2.0USNO-A2 0375-13019245
HIPHIP 54401

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