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HD 212180


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The Southern Vilnius Photometric System. IV - The E region standard stars
This paper is the fourth in a series on the extension of the Vilniusphotometric system to the Southern Hemisphere. Observations were made of60 stars in the Harvard Standard E regions to increase a set of standardstars.

New aperture photometry for 217 galaxies in the Virgo and Fornax clusters.
We present photo electric multi-aperture photometry in UBVRI of 171 and46 galaxies in the Virgo and Fornax clusters, respectively. Many of thegalaxies have not been observed in at least one of these passbandsbefore. We discuss the reduction and transformation into the Cousinsphotometric system as well as the extinction coefficients obtainedbetween 1990 and 1993.

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
Photoelectric uvby photometry for 201 stars which are already UBV (RI)cstandards is presented. The photoelectric data are closely tied to theCousins uvby standards and the stars should be suitable for use asfainter (7-11 mag) secondary standards.

Hot subluminous stars at high galactic latitudes. I - Spectra and Stromgren photometry
Spectra of 92 stars selected from the Palomar-Green Catalog, most ofthem being hydrogen-rich (53) or helium-rich (21) hot subdwarfs, arepresented. The rest belong to other spectral types, e.g. HBB ormain-sequence B stars. Also presented is Stromgren photometry for 39stars of the Palomer-Green Catalog, 29 of them belonging to thespectroscopically observed sample. The observations and their reductionare described and a spectral classification of the stars is given basedon the spectra published here.

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

Secondary standards for H-beta photometry in the E regions.
Not Available

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

Secondary standards for the Stromgren UVBY system
Observations of 158 E region stars have been made in the Stromgrensystem, using the 46-cm reflector at Cape Town. They are mostly brighterthan eighth magnitude and are intended for use as secondary standardsfor the four-color system. The E region relative zero points are definedwith a precision of + or - 0.001 mag, and the internal standard errorsof the colors life between + or - 0.001 and + or - 0.002 mag.

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

VRI standards in the E regions
Not Available

Standard Stars for VRI Photometry with S25 Response Photocathodes [Errata: 1974MNSSA..33....1C]
Not Available

Standard magnitudes in the E regions.
Not Available

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Observation and Astrometry data

Constellation:つる座
Right ascension:22h23m24.64s
Declination:-46°40'06.9"
Apparent magnitude:6.926
Distance:212.314 parsecs
Proper motion RA:-13.2
Proper motion Dec:12.4
B-T magnitude:6.998
V-T magnitude:6.932

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 212180
TYCHO-2 2000TYC 8439-1486-1
USNO-A2.0USNO-A2 0375-39871170
HIPHIP 110520

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