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HD 152995


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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.

ICCD speckle observations of binary stars. IV - Measurements during 1986-1988 from the Kitt Peak 4 M telescope
One thousand five hundred and fifty measurements of 1006 binary starsystems observed mostly during 1986 through mid-1988 by means of speckleinterferometry with the KPNO 4-m telescope are presented. Twenty-onesystems are directly resolved for the first time, including newcomponents to the cool supergiant Alpha Her A and the Pleiades shellstar Pleione. A continuing survey of The Bright Star Catalogue yieldedeight new binaries from 293 bright stars observed. Corrections tospeckle measures from the GSU/CHARA ICCD speckle camera previouslypublished are presented and discussed.

Double Star CCD Astrometry and Photometry
Not Available

Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST

Mesures d'etoiles doubles effectuees AU refracteurs de 38 CM puis de 50 CM de l'Observatoire de Nice.
Not Available

Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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Mesures d'Etoiles Doubles faites à l'Observatoire de Paris (suite)
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Yilanci
Sað Açýklýk:16h56m33.37s
Yükselim:+10°14'20.9"
Görünürdeki Parlaklýk:9.388
özdevim Sað Açýklýk:-4.9
özdevim Yükselim:-50.4
B-T magnitude:10.251
V-T magnitude:9.46

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 152995
TYCHO-2 2000TYC 979-1181-1
USNO-A2.0USNO-A2 0975-08683939
HIPHIP 82909
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