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HD 131637


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On the Variability of A0-A2 Luminosity Class III-V Stars
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Study of Neglected Variable Stars Classified as Type II Cepheids
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The Southern Vilnius Photometric System. IV - The E region standard stars
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A homogeneous catalog of new UBV and H-beta photometry of B- and A-type stars in and around the Scorpius-Centaurus OB association
B- and A-type stars in and near the Sco-Cen OB association areinvestigated with UBV and H-beta photometry to acquire data relevant tothe luminosity function of Sco-Cen. The measurements generally consistof two 10-s integrations of U, B, V, (W, N) filters, and theobservations are corrected iteratively for atmospheric extinction andinstrumental response. The data presented give the mean V magnitude,mean B-V, mean U-B, and the estimated uncertainties for these values.The catalog provides a homogeneous catalog of data for a large fieldwith stellar objects delineating membership to the association Sco-Cenand that affect the luminosity function of the aggregate.

Secondary UVBY standards in the Harvard E-regions
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Secondary standards for H-beta photometry in the Southern Hemisphere (second series).
Not Available

UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue.
Not Available

UBV photometry of E region standard stars of intermediate brightness
Photometry data are given for 335 stars in the nine E regions.Observations were made using a photometer and filters on the 47 cmreflector at Cape Town. The stellar dispersions are summarized. Data arepresented in tabular form.

Photometric standard stars for the UBV and (RI)KC systems.
Not Available

Fainter Standards for VRI Photometry in the E Regions
Not Available

Standard magnitudes in the E regions.
Not Available

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Observation and Astrometry data

Constellation:Loup
Right ascension:14h56m24.82s
Declination:-44°42'15.3"
Apparent magnitude:6.751
Distance:133.869 parsecs
Proper motion RA:27.7
Proper motion Dec:-3.8
B-T magnitude:6.814
V-T magnitude:6.757

Catalogs and designations:
Proper Names
HD 1989HD 131637
TYCHO-2 2000TYC 7832-2493-1
USNO-A2.0USNO-A2 0450-18873233
HIPHIP 73102

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