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HD 94949


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JHK Standard Stars on the CIT Photometric System
We present a set of 58 stars with JHK standard values on the CIT systemand with a suitable magnitude range for use with array detectors onsmall- to moderate-size telescopes. Each final value is based on six to47 measures (with a mean of 17) obtained on separate nights with the USNaval Observatory (USNO) NICMOS3 (HgCdTe) camera. The objects include 20primary CIT standards from Elias et al. and 38 secondary sourcesselected from the SAAO and UKIRT standards lists, cover a K-magnituderange between 6.0 and 10.8, and lie north of declination -20°. Thestars were reduced to the CIT system as defined by Elias et al.,producing a USNO system that is identical to the near-infrared CITsystem. This work densifies the original CIT system by nearly a factorof 3 and extends its range by about 3 mag. The SAAO and UKIRT standardsare also compared with the CIT system.

Fainter Southern JHK Standards Suitable for Infrared Arrays
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1995MNRAS.276..734C&db_key=AST

Occultations of stars by solar system objects. IX - Occultations of catalog stars by steroids, planets, and major satellites in 1992 and 1993
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1992AJ....103.2079W&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Aslan
Sað Açýklýk:10h57m49.27s
Yükselim:+09°01'06.6"
Görünürdeki Parlaklýk:9.227
özdevim Sað Açýklýk:18.7
özdevim Yükselim:-79.2
B-T magnitude:9.82
V-T magnitude:9.276

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 94949
TYCHO-2 2000TYC 847-210-1
USNO-A2.0USNO-A2 0975-06615259
HIPHIP 53591

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