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TYC 5087-100-1


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CCD astrometry and instrumental Delta-V photometry of wide visual double stars. III - Differential measurements of often observed southern pairs
We present accurate relative positions and instrumental visual (BesselV) magnitude differences of southern wide star components. The meanaccuracy of the angular separation is 0.02 arcsecs, which corresponds to1.5 micron on the CCD chip, and of magnitude difference 0.007mag/exposure. The program pairs are targets of the HIPPARCOS mission andthey have been observed at least four times in the last 150 yrs.

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Observation and Astrometry data

Constellation:Ophiucus
Right ascension:17h53m00.50s
Declination:-02°15'37.7"
Apparent magnitude:9.774
Proper motion RA:7
Proper motion Dec:-0.8
B-T magnitude:11.944
V-T magnitude:9.954

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 5087-100-1
USNO-A2.0USNO-A2 0825-11440453
HIPHIP 87537
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