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Spectral Energy Distributions of M81 Globular Clusters in the BATC Multicolor Survey
- Source :
- Publications of the Astronomical Society of the Pacific. 118:98-106
- Publication Year :
- 2006
- Publisher :
- IOP Publishing, 2006.
-
Abstract
- In this paper, we give the spectral energy distributions of 42 M81 globular clusters in 13 intermediate-band filters from 4000 to 10000 A, using the CCD images of M81 observed as part of the BATC multicolor survey of the Sky. The BATC multicolor filter system is specifically designed to exclude most of the bright and variable night-sky emission lines including the OH forest. Hence, it can present accurate SEDs of the observed objects. These spectral energy distributions are low-resolution spectra, and can reflect the stellar populations of the globular clusters. This paper confirms the conclusions of Schroder et al. that, M81 contains clusters as young as a few Gyrs, which also were observed in both M31 and M33<br />Accepted for Publication in PASP, 10 pages, 3 figures
- Subjects :
- Physics
Astrophysics::High Energy Astrophysical Phenomena
media_common.quotation_subject
Astrophysics (astro-ph)
FOS: Physical sciences
Spectral density
Astronomy and Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
Astrophysics
Spectral line
Filter system
Space and Planetary Science
Sky
Globular cluster
Astrophysics::Solar and Stellar Astrophysics
Emission spectrum
Astrophysics::Galaxy Astrophysics
media_common
Subjects
Details
- ISSN :
- 15383873 and 00046280
- Volume :
- 118
- Database :
- OpenAIRE
- Journal :
- Publications of the Astronomical Society of the Pacific
- Accession number :
- edsair.doi.dedup.....1f1b8273a37138c750068a649d54f70a