Hubble image archive
HST/NICMOS Images of 2M1207 and GPCC at Three Near-Infrared Wavelengths
These are Hubble Near Infrared Camera and Multi-Object Spectrometer (NICMOS) Camera 1 images of 2M1207's giant planetary companion candidate at three increasingly longer near-infrared wavelengths [left to right: 0.9, 1.1, and 1.6 microns]. The light from 2M1207 itself has been gr...
- Date
- Jan 1, 2005
- Mission
- Hubble Space Telescope
- Archive ID
- hubblesite-images-2005-03-1645-image
These are Hubble Near Infrared Camera and Multi-Object Spectrometer (NICMOS) Camera 1 images of 2M1207's giant planetary companion candidate at three increasingly longer near-infrared wavelengths [left to right: 0.9, 1.1, and 1.6 microns]. The light from 2M1207 itself has been greatly reduced by subtracting a second image of the star taken with Hubble rolled to a different orientation in the sky. Imperfections in the "differential roll" subtraction technique give rise to optical artifacts at the location of 2M1207, which is centered in the red circle of 0.2 arc second radius. The giant planetary companion candidate is the white disk located outside and to the lower right of the red circle. 2M1207, a young brown dwarf of spectral type M8.5, is itself quite red - 11 times fainter at 0.9 microns than it is at 1.6 microns. The giant planetary companion candidate at 0.9 microns is significantly redder in comparison, 44 times fainter at 0.9 microns than it is at 1.6 microns where, at that shorter wavelength, it is also 720 times fainter than 2M1207.
Credits
NASA, ESA, G. Schneider (Steward Observ., Univ. of Arizona), I. Song (Gemini Observ.), B. Zuckerman, E. Becklin (Univ. of California, Los Angeles), P. Lowrance (California Inst. of Technology), B. Macintosh (Lawrence Livermore National Laboratory), M. Bessell (Australian National Univ.), and C. Dumas and G. Chauvin (European Southern Observ.)Image Details
| About The Object | |
|---|---|
| Object Name | 2M1207, 2MASSWJ 1207334-393254 |
| Object Description | Brown Dwarf with Companion |
| R.A. Position | 12h 7m 33.46s |
| Dec. Position | -39° 32' 53.99" |
| Constellation | Hydra |
| Distance | 225 light-years away (70 parsecs) |
| Dimensions | This image is 2.5 arcseconds wide. |
| About The Data | |
| Data Description | The Hubble image was created from HST data from proposal . The science team is composed of: NASA, ESA, G. Schneider (Steward Observatory, Univ. of Arizona), I. Song (Gemini Observ.), B. Zuckerman, E. Becklin (Univ. of California, Los Angeles), P. Lowrance (California Inst. of Technology), B. Macintosh (Lawrence Livermore National Laboratory), M. Bessell (Australian National Univ.), and C. Dumas and G. Chauvin (European Southern Observ.). |
| Instrument | HST>NICMOS |
| Exposure Dates | August 2004 |
| Filters | F090M (0.80-1.00 microns), F110M (1.00-1.20 microns), F160W (1.40-1.80 microns) |
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Image and source material are credited to the official mission archive linked below.
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