Magnitude And Color Transformations Between Sirius And 2Mass Photometric Systems

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Abstract

We provide magnitude and color transformations between two near-infrared photometric systems, 2MASS and SIRIUS, the latter currently implemented with the three-Channel SIRIUS camera on 1.4 m Infrared Survey Facility telescope at the South African Astronomical Observatory. The transformation equations are derived using a carefully selected sample of 32 770 stars in the. Large and Small Magellanic Clouds that have high quality observations available in both photometric systems. The derived transformations are valid in the color range -0.1 < (J - H)(SIRIUS) < 1.15, -0.05 < (H - K-s)(SIRIUS) < 0.7 and -0.1 < (J - K-s)(SIRIUS) < 1.7.

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Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Astronomy, Astrophysics and Cosmology

Keywords

  • methods: data analysis, infrared: stars, techniques: photometric, catalogs surveys
Original languageEnglish
Pages (from-to)283-292
JournalBaltic Astronomy
Volume17
Issue number3-4
Publication statusPublished - 2008
Publication categoryResearch
Peer-reviewedYes