Authors
Jayaram N Chengalur, Riccardo Giovanelli, Martha P Haynes
Publication date
1995/6
Journal
Astronomical Journal v. 109, p. 2415
Volume
109
Pages
2415
Description
HI 1225+ 01 [Giovanelli & Haynes, ApJ, 346, L5 (1989)] is a gas-rich system consisting of two major components, a Northeast clump (NE clump), a Southwest clump (SW clump), and aBridge'component between the two [Giovanelll et al. AJ, 101, 1242 (1991) hereafter referred to as (GWH)]. The NE clump has an optical counterpart, a magellanic-type dwarf irregular galaxy located at the center of the clump, while the SW clump has no detected stellar emission to a surface magnitude limit of 27 mag arcsec^ 2^ in V and 26.5 mag arcsec^-2^ in J [Salzer et al. AJ, 101, 1258 (1991)]. Here we present VLA D array maps of the HI emission from this object. The angular resolution of the VLA data is 40", considerably better than the 3.3'resolution of the best previously available Arecibo map. All three components of HI 1225+ 01 are clearly seen in the higher resolution maps, however, the SW clump appears to have a diffuse …
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Scholar articles
JN Chengalur, R Giovanelli, MP Haynes - Astronomical Journal v. 109, p. 2415, 1995