Neutral hydrogen observations of ARP 144

Details Neutral hydrogen observations of ARP 144 Neutral hydrogen observations of ARP 144

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326..146h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 326, March 1, 1988, p. 146-156.

Astronomy and Astrophysics

Astronomy

9

Galactic Structure, Hydrogen Clouds, Intergalactic Media, Peculiar Galaxies, Radio Sources (Astronomy), Astronomical Maps, Disk Galaxies, H I Regions, Spiral Galaxies

Scientific paper

A search was made for the giant intergalactic neutral hydrogen cloud (IGC) proposed by Freeman and de Vaucouleurs (1974) to be responsible for the peculiar galaxy system Arp 144. VLA 21 cm D-configuration observations disclosed the presence of a total of 5.6 x 10 to the 9th/sq h solar masses of neutral hydrogen - nearly half of which resides in two main structures extending as far as 98/h kpc from Arp 144. An additional amount of H I flux resides outside the velocity range covered by these observations. The overall H I distribution is consistent with the Freeman and de Vaucouleurs model. It may be possible to identify one of the large neutral hydrogen features as part of the IGC, with the other arising from tidal forces. An alternate hypothesis which views Arp 144 as an ongoing merger between the galaxies NGC 7828 and NGC 7829 is also considered.

Affiliated with

Also associated with

No associations

Rating

Neutral hydrogen observations of ARP 144 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Neutral hydrogen observations of ARP 144, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Neutral hydrogen observations of ARP 144 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1670930