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HD 17778


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Ýlgili Makaleler

Dwarf K and M stars of small proper motion found in a large spectroscopic survey
More than 2000 candidates for K and M dwarf status, generally havingproper motions that are either unknown or less than 0.2 arcsec perannum, have been identified in an objective-prism survey covering theentire sky north of declination - 25 degrees and more than 10 degreesfrom the galactic plane. More than 95 percent have no previousindication that they are dwarfs. Several dozen appear to be visualdouble stars.

Photoelectric observations of lunar occultations. X
Photoelectric occulation results for 461 events observed during 15months are reported. They include 77 reappearances, 4 determinations ofangular diameter, 38 analyses of double or multiple stars including twopreviously unknown bright stars, and 8 previously known bright double ormultiple stars.

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Ýlgili Baðlantýlar

  • - Baðlantý Bulunamadý -
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sonraki gruplarýn üyesi:


Gözlemler ve gökölçümü verileri

Takýmyýldýz:Koc
Sað Açýklýk:02h51m29.08s
Yükselim:+13°29'35.9"
Görünürdeki Parlaklýk:8.909
Uzaklýk:373.134 parsek
özdevim Sað Açýklýk:5.5
özdevim Yükselim:3.4
B-T magnitude:10.28
V-T magnitude:9.023

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 17778
TYCHO-2 2000TYC 646-420-1
USNO-A2.0USNO-A2 0975-00642577
HIPHIP 13324

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