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HD 62976


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uvby FCAPT photometry of the mCP stars HD 32633, θ Aur, 49 Cam, and 3 Hya
Differential Strömgren uvby observations from the Four CollegeAutomated Photoelectric Telescope are presented for the magneticChemically Peculiar (mCP) stars HD 32633, θ Aur, 49 Cam, and 3Hya. We find for over 30 years, these four stars with stable opticalregion light curves have had constant periods of 6.4300, 3.61868,4.28679, and 11.305 days, respectively.

Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.

Photometry from the HIPPARCOS Catalogue: Constant MCP Stars, Comparison and Check Stars
Photometry from the Hipparcos catalogue is used to verify the constancyof four magnetic CP stars, as well as the comparison and the check starsused for variability studies of normal and chemically peculiar B and Astars with the Four College Automated Photoelectric Telescope;variability in these stars can produce spurious results. A few of thecomparison stars are found to be variable and should be replaced forfuture differential photometric studies.

Stromgren UVBY Photometry of the Magnetic Chemically Peculiar Stars HR 1643, theta Aur, 49 Cam, and HR 3724
Differential Stromgren uvby photometric observations from the FourCollege Automated Photoelectric Telescope of four magnetic ChemicallyPeculiar stars are used to refine rotational periods and to define theshapes of the light curves. HR 1643 (P = 2.73475 d) shows large in phasevariability in all four magnitudes. Theta Aur (P = 3.6188 d) exhibitslarge amplitude variations with two components contributing to theminima. For 49 Cam (P = 4.28679 d), we probably are observing both polarregions and much of the surface. The values for HR 3724 (P = 33.984 d)confirm Wolff's result that the main variability is in v. (SECTION:Stars)

Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982
The 7-inch transit circle instrument with which the present position andmagnitude catalog for 1577 stars with visual magnitudes greater than11.0 was obtained had been equipped with a photoelectric moving slitmicrometer and a minicomputer to control the entire observationalprocess. Positions are reduced relative to the FK4 system for each nightover the whole meridian rather than the usual narrow zones. Thepositions of the FK4 stars used in the least squares solution are alsogiven in the catalog.

Photoelectric Observations of 53 Cam
Not Available

Final catalogue of 229 photometric standards in UBV system near the selected areas 1-115
Not Available

The corrected magnitudes and colours of 278 stars near S.A. 1-139 in the UBV system
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Observation and Astrometry data

Constellation:きりん座
Right ascension:07h50m07.83s
Declination:+60°20'31.6"
Apparent magnitude:6.785
Distance:121.655 parsecs
Proper motion RA:-15.5
Proper motion Dec:13.7
B-T magnitude:6.904
V-T magnitude:6.795

Catalogs and designations:
Proper Names
HD 1989HD 62976
TYCHO-2 2000TYC 4113-1593-1
USNO-A2.0USNO-A2 1500-04924176
HIPHIP 38249

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