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Table 1
Basic astronomical properties of studied galaxies.
| Name | Morph. | Optical positiona | Incl.a | Pos. ang.a | Proj. dist. | NHb |
| typea | α2000 δ2000 | [°] | [°] | to Vir A [°] | [1020 cm-2] | |
|
|
||||||
| NGC 4388 | Sb | 12h25m46 8+12°39′44″ |
82 | 91 | 1.3 | 2.58 |
| NGC 4501 | Sb | 12h31m593+14°25′14″ |
60 | 138 | 2.0 | 2.62 |
| NGC 4569 | SABa | 12h36m501+13°09′46″ |
66 | 23 | 1.7 | 2.82 |
Notes.
(a)
HYPERLEDA database – http://leda.univ-lyon1.fr – see Paturel et al. (2003);
(b)
weighted average value following LAB Survey of Galactic H i, see Kalberla et al. (2005).
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