Atomic Gas in the Arp 295 Group

Minimum credit line: Image courtesy of NRAO/AUI and J. Hibbard(for details, see Image Use Policy).

About this Image

A composite image of the optical light (green and yellow), star forming regions (pinkish white), and cold atomic hydrogen gas (blue) in the classic bridge-tail system Arp 295. The atomic hydrogen observations, taken with the VLA in its C and D-array configurations, discovered 9 previously unknown group members (eight of which are seen in this image; the ninth lies outside the display area). Some of these are labelled in an alternative version of this image.

Investigator(s):  J. Hibbard & J. van Gorkom

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Technical Data

    Telescope VLA 
    Date of Observation 1992-05-05 
    Type of Observation Spectral Line Observations 
    Wavelength 21 cm 
    Frequency 1420.4 MHz 
    Species HI 
    Center of Image RA: 23:39:7.50, Dec: -3:51:57.00 (B1950)  
    Field of View 0.2500 x 0.2500 degrees  
    Technical Caption VLA C+D array observations, with a resolution of 28". Optical image and Continuum subtracted Halpha image, showing warm gas ionized by young, hot stars, were obtained with the KPNO 0.9m telescope in 10/92.  

  • Astronomical database entries for Arp295
    • Query NED for images of Arp295
    • Query SIMBAD for more Arp295 data


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