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HD 60475


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The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

Pseudocepheids. I - R Puppis, HR 4441, HR 4511, and AI CMI
Four PC stars which are all thought to be high-mass objects, areconsidered. It is noted that R Pup and HR 4441 are apparentlyvery-high-luminosity stars for which the photometric indices areuncomplicated by photometrically unresolved companions or circumstellarmaterial. HR 4511 is seen as illustrating the effect of a close,early-type companion, and it is believed that the photometry of AI CMimay be strongly affected by circumstellar material. On the basis ofobservations of nonvariable stars covering the magnitude rangerepresented, a mean dispersion of 0.005 mag is expected in all colorindices.

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Observation and Astrometry data

Constellation:Canis Minor
Right ascension:07h34m37.84s
Declination:+00°10'27.8"
Apparent magnitude:8.43
Distance:436.681 parsecs
Proper motion RA:-2.4
Proper motion Dec:-0.1
B-T magnitude:8.473
V-T magnitude:8.434

Catalogs and designations:
Proper Names
HD 1989HD 60475
TYCHO-2 2000TYC 178-2230-1
USNO-A2.0USNO-A2 0900-05138685
HIPHIP 36852

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