Published May 9, 2016
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Imaging of NGC 5907's stellar stream
Chicago
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Abstract
We have obtained deep g, r, and i-band Subaru and ultra-deep 3.6 μm IRAC images of parts of the multiply-wrapped stellar stream around the nearby edge-on galaxy NGC 5907. We have fitted the surface brightness measurements of the stream with FSPS stellar population synthesis models to derive the metallicity and age of the brightest parts of the stream. The resulting relatively high metallicity ([Fe/H] = −0.3) is consistent with a major merger scenario but a satellite accretion event cannot be ruled out.
Additional Information
© 2016 International Astronomical Union. Published online: 09 May 2016. This work is based in part on observations made with the Spitzer Space Telescope, operated by JPL/Caltech under a contract with NASA and with the Subaru Telescope, operated by NAOJ. Support for this work was provided by NASA through an award issued by JPL/Caltech.Attached Files
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Additional details
- Eprint ID
- 74544
- Resolver ID
- CaltechAUTHORS:20170227-100310208
- NASA/JPL/Caltech
- Created
-
2017-02-27Created from EPrint's datestamp field
- Updated
-
2021-11-11Created from EPrint's last_modified field
- Caltech groups
- COSMOS, Infrared Processing and Analysis Center (IPAC)
- Series Name
- Proceedings of the International Astronomical Union
- Series Volume or Issue Number
- 317