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HD 189855


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관련 글

Pulkovo compilation of radial velocities for 35495 stars in a common system.
Not Available

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

Photometric observations of emission B-stars in the southern Milky Way
In order to study the distribution of Be stars and their correlation tothe local spiral structure of the Galaxy photoelectric UBV photometrywas carried out for a total of 488 Be stars located in the southernMilky Way between galactic longitudes 315 and 45 deg. UBV magnitudes arepresented for these stars.

Photometric reductions and the lightcurve of (51) NEMAUSA
The light curve of the minor planet (51) Nemausa is derived on the basisof 1779 photoelectric (B and V) observations and a photometric reductionusing a rigorous least squares method. Separate light curves are givenfor the B and V observations, respectively. An absolute B-V magnitudefor (51) Nemusa of 0.787 + or - 0.004 mag was estimated. A detaileddescription of the least squares method is presented.

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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관련 링크

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다음 그룹에 속해있음:


관측 및 측정 데이터

별자리:궁수자리
적경:20h03m58.15s
적위:-44°38'19.3"
가시등급:8.333
거리:568.182 파섹
적경상의 고유운동:35.2
적위상의 고유운동:-20.4
B-T magnitude:9.694
V-T magnitude:8.446

천체목록:
일반명   (Edit)
HD 1989HD 189855
TYCHO-2 2000TYC 7959-865-1
USNO-A2.0USNO-A2 0450-38507414
HIPHIP 98798

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