The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies

Doyle, M. T., Drinkwater, M. J., Rohde, D. J., Pimbblet, K. A., Read, M., Meyer, M. J., Zwaan, M. A., Ryan-Weber, E., Stevens, J., Koribalski, B. S., Webster, R. L., Staveley-Smith, L., Barnes, D. G., Howlett, M., Kilborn, V. A., Waugh, M., Pierce, M. J., Bhathal, R., de Blok, W. J. G., Disney, M. J., Ekers, R. D., Freeman, K. C., Garcia, D. A., Gibson, B. K., Harnett, J., Henning, P. A., Jerjen, H., Kesteven, M. J., Knezek, P. M., Mader, S., Marquarding, M., Minchin, R. F., O'Brien, J., Oosterloo, T., Price, R. M., Putman, M. E., Ryder, S. D., Sadler, E. M., Stewart, I. M., Stootman, F. and Wright, A. E. (2005) The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies. Monthly Notices of the Royal Astronomical Society, 361 1: 34-44. doi:10.1111/j.1365-2966.2005.09159.x

Author Doyle, M. T.
Drinkwater, M. J.
Rohde, D. J.
Pimbblet, K. A.
Read, M.
Meyer, M. J.
Zwaan, M. A.
Ryan-Weber, E.
Stevens, J.
Koribalski, B. S.
Webster, R. L.
Staveley-Smith, L.
Barnes, D. G.
Howlett, M.
Kilborn, V. A.
Waugh, M.
Pierce, M. J.
Bhathal, R.
de Blok, W. J. G.
Disney, M. J.
Ekers, R. D.
Freeman, K. C.
Garcia, D. A.
Gibson, B. K.
Harnett, J.
Henning, P. A.
Jerjen, H.
Kesteven, M. J.
Knezek, P. M.
Mader, S.
Marquarding, M.
Minchin, R. F.
O'Brien, J.
Oosterloo, T.
Price, R. M.
Putman, M. E.
Ryder, S. D.
Sadler, E. M.
Stewart, I. M.
Stootman, F.
Wright, A. E.
Title The HIPASS catalogue - III. Optical counterparts and isolated dark galaxies
Journal name Monthly Notices of the Royal Astronomical Society   Check publisher's open access policy
ISSN 0035-8711
Publication date 2005
Sub-type Article (original research)
DOI 10.1111/j.1365-2966.2005.09159.x
Open Access Status DOI
Volume 361
Issue 1
Start page 34
End page 44
Total pages 11
Editor A. C. Fabian
Place of publication Oxford, United Kingdom
Publisher Oxford University Press
Collection year 2005
Language eng
Abstract We present the largest catalogue to date of optical counterparts for H I radio-selected galaxies, HOPCAT. Of the 4315 H I radio-detected sources from the H I Parkes All Sky Survey (HIPASS) catalogue, we find optical counterparts for 3618 (84 per cent) galaxies. Of these, 1798 (42 per cent) have confirmed optical velocities and 848 (20 per cent) are single matches without confirmed velocities. Some galaxy matches are members of galaxy groups. From these multiple galaxy matches, 714 (16 per cent) have confirmed optical velocities and a further 258 (6 per cent) galaxies are without confirmed velocities. For 481 (11 per cent), multiple galaxies are present but no single optical counterpart can be chosen and 216 (5 per cent) have no obvious optical galaxy present. Most of these 'blank fields' are in crowded fields along the Galactic plane or have high extinctions. Isolated 'dark galaxy' candidates are investigated using an extinction cut of A(Bj) < 1 mag and the blank-fields category. Of the 3692 galaxies with an A(Bj) extinction < 1 mag, only 13 are also blank fields. Of these, 12 are eliminated either with follow-up Parkes observations or are in crowded fields. The remaining one has a low surface brightness optical counterpart. Hence, no isolated optically dark galaxies have been found within the limits of the HIPASS survey.
Keyword Astronomy & Astrophysics
Radio Lines
Supercosmos Sky Survey
Deep Survey
Hi Cloud
Methods : Data Analysis
Galaxies : Photometry
Radio Lines : Galaxies
Q-Index Code C1

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