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3 Discussion

As the data of Table 1 show, the majority of the objects are faint galaxies of low and very low surface brightness with a median total apparent magnitude of $\sim17.2$ mag and a median blue angular diameter of $\sim1\hbox{$.\mkern-4mu^\prime$ }0$ determined at a limiting level of $\sim(26.5-27.0)$ mag/ $\ifmmode\hbox{\rlap{$\sqcap$ }$\sqcup$ }\else{\unskip\nobreak\hfil
\penalty50\h...
...$ }
\parfillskip=0pt\finalhyphendemerits=0\endgraf}\fi\hbox{$^{\prime\prime}$ }$. Some objects of the lowest surface brightness may be in reality Galactic cirrus or planetary nebula. Out of 81 objects the brightest 29 galaxies are listed in the Catalogue of Lauberts & Valentijn (1989). In Table 1 their $B_{\rm t}$ magnitudes are given to an accuracy of hundredth. Apart from these 4 galaxies are presented in the Catalogue of Arp & Madore (1987) and 5 are included in the PGC catalogue compiled by Paturel et al. (1989). About half of the objects found by us are absent in the published catalogues and lists.

Note that the galaxies from Table 1 are situated in the sky area covered by the "blind" HI line survey made with the Parkes multibeam radio telescope (Kilborn et al. 1999). In particular, 9 galaxies (see notes in Col. 8) are located in region of the nearby Centaurus group and are possible members. Because 4/5 of the listed objects are classified as irregular or probable irregular galaxies, one may expect a high detection rate for them in the 21 cm line.

Acknowledgements
We have made extensive use of the ESO/SERC survey copies produced by ESO observatory, the NASA/IPAC Extragalactic Database (which is operated by the Jet Propulsion Laboratory, Caltech), and the Digitized Sky Survey produced at the Space Telescope Science Institute. Our project is supported by DFG-RFBR grant 98-02-04095.

   
Table 1: List of 81 southern dwarf galaxy candidates
# RA (1950) Dec ( $a\times b)_{\rm b}$ Type SB $B_{\rm t}$ NED Notes
  RA (2000) Dec ( $a\times b)_{\rm r}$     $A_{\rm b}$ identif.  
(1) (2) (3) (4) (5) (6) (7) (8)
                   
1 02$^{\rm h}$12$^{\rm m}$45 $\hbox{$.\!\!^{\rm s}$ }$1 -32 $\hbox{$^\circ$ }$26 $\hbox{$^\prime$ }$31 $\hbox{$^{\prime\prime}$ }$ 0.80 0.70 Ir LV 18.0:    
  02 14 55.6 -32 12 35 0.5: 0.4:     0.09    
2 02 23 38.7 -19 55 07 1.30 0.60 Ir L 16.23 E545-15 knots
  02 25 58.2 -19 41 38 1.20 0.50     0.14    
3 02 24 23.1 -73 44 16 2.50 1.00 Sph? VL 16.0: P09140 peculiar
  02 24 42.8 -73 30 46 1.50 0.90     0.22    
4 03 12 06.1 -66 27 22 2.0: 1.0: Ir EL 17.8:   comp. of
  03 12 46.2 -66 16 12 -- --     0.14   N1313
5 03 12 12.4 -38 10 42 1.20 0.70 Sph L 17.18 E300-20  
  03 14 07.1 -37 59 35 0.90 0.60     0.07    
6 03 13 47.5 -66 34 32 3.2: 1.4: Ir EL 17.0:   comp. of
  03 14 26.2 -66 23 28 -- --     0.24   N1313
7 03 15 28.0 -25 05 30 1.20 0.60 Ir L 17.2    
  03 17 38.2 -24 54 34 1.10 0.60     0.05    
8 03 19 37.2 -42 10 40 1.10 0.90 Ir L 16.37 E301-07  
  03 21 24.6 -41 59 57 0.90 0.80     0.05    
9 03 33 36.1 -51 37 11 1.3: 1.0: Ir VL 16.24 E200-45 knots
  03 35 02.2 -51 27 16 1.0: 0.6:     0.06    
10 03 37 33.1 -31 57 12 1.20 0.70 Ir L 16.9 AM0337-315  
  03 39 33.0 -31 47 32 1.00 0.60     0.04    
11 03 40 08.9 -22 54 54 1.90 1.40 S VL 14.92   projected
  03 42 19.5 -22 45 24 1.90 1.20     0.08   on E482-36
12 03 41 49.2 -25 04 48 1.0: 0.7: Ir L 17.49 E482-39 blue
  03 43 57.2 -24 55 23 0.7: 0.7:     0.06    
13 03 47 12.8 -48 34 18 1.10 0.80 Ir L 16.39 E201-02 resolved?
  03 48 43.2 -48 25 12 1.20 0.80     0.04    
14 05 26 23.6 -63 36 16 0.70 0.55 Ir EL 17.8   near N1947
  05 26 44.2 -63 33 50 0.60 0.50     0.22    
15 05 26 45.5 -63 16 41 1.70 0.80 Ir? VL 16.81 E085-88 near N1947
  05 27 08.0 -63 14 17 1.60 0.70     0.24    
16 05 30 10.8 -17 43 54 0.70 0.40 Ir L 17.8    
  05 32 23.3 -17 41 49 0.45 0.30     0.32    
17 05 32 13.0 -61 57 49 0.95 0.65 Ir VL 17.4    
  05 32 42.2 -61 55 49 0.80 0.65     0.26    
18 06 03 55.2 -33 04 33 3.5: 2.5: Ir? L 13.58 E364-29 refl.neb?
  06 05 45.4 -33 04 54 2.5: 1.2:     0.19   Vh = 790, NED
19 06 15 06.3 -57 42 27 1.40 1.00 Ir L 15.85 E121-20  
  06 15 54.5 -57 43 35 1.00 0.70     0.17    
20 07 01 21.5 -44 59 30 1.10 0.50 Ir L 16.19 E256-13  
  07 02 50.8 -45 03 58 1.10 0.50     0.41    
21 07 14 52.7 -40 00 21 1.30 0.40 Ir L 16.32 E310-07  
  07 16 33.3 -40 05 46 0.70 0.30     1.17    
22 07 31 04.6 -35 22 50 1.20 0.80 Ir VL 16.7 E368-04 knots
  07 32 54.6 -35 29 22 0.90 0.60     1.94    
23 07 42 13.9 -45 01 45 0.90 0.90 Sph? EL 17.5   refl.neb.?
  07 43 47.3 -45 09 00 0.80 0.80     1.49    
24 07 50 14.8 -55 19 22 1.10 0.90 Ir L 17.3    
  07 51 22.8 -55 27 08 1.00 0.85     0.89    
25 07 54 33.4 -26 07 03 0.50 0.40 Ir VL 17.7    
  07 56 38.4 -26 15 07 0.55 0.40     1.45    
26 07 55 43.5 -26 44 00 0.80 0.35 Ir VL 18.0    
  07 57 47.8 -26 52 09 0.70 0.35     2.67    
27 08 44 39.8 -21 36 43 0.80 0.60 Ir L 17.4    
  08 46 53.6 -21 47 46 0.80 0.60     0.74    



 
Table 1: continued
# RA (1950) Dec ( $a\times b)_{\rm b}$ Type SB $B_{\rm t}$ NED Notes
  RA (2000) Dec ( $a\times b)_{\rm r}$     $A_{\rm b}$ identif.  
(1) (2) (3) (4) (5) (6) (7) (8)
                   
28 08 52 39.5 -32 37 34 1.20 0.50 Ir VL 17.42 E371-27 distant?
  08 54 42.1 -32 49 03 1.10 0.40     1.36   Vh = 1313, NED
29 09 08 51.2 -63 41 27 0.75 0.45 Ir VL 17.5    
  09 09 53.0 -63 53 44 0.50 0.35     0.89    
30 09 20 51.7 -19 57 10 0.60 0.40 Im H 15.53 E565-03  
  09 23 09.9 -20 10 03 0.50 0.50     0.27    
31 09 30 38.2 -33 01 20 1.3: 0.7: Ir L 16.4 E373-07 Vh = 862, NED
  09 32 45.7 -33 14 40 -- --     0.58    
32 09 32 24.3 -74 01 55 0.80 0.60 Ir VL 16.69 E037-04  
  09 32 36.9 -74 15 17 0.50 0.40     0.48    
33 09 53 30.2 -67 50 06 0.70 0.50 Sph? L 17.2 AM0953-675 Irr?
  09 54 37.8 -68 04 21 0.75 0.55     0.80    
34 10 03 11.4 -31 47 17 0.80 0.40 Ir L 17.5   distant?
  10 05 25.0 -32 01 54 0.70 0.35     0.45    
35 10 05 32.0 -64 07 16 1.00 0.90 Ir? VL 14.3 E092-10 emiss.neb.?
  10 06 59.8 -64 21 57 1.00 0.90     0.93   Vh = 57+-58
36 10 28 25.0 -46 00 51 1.60 1.20 Sph? L 14.86 E263-47 distant S?
  10 30 32.0 -46 16 16 1.40 1.20     0.77    
37 10 29 18.9 -21 59 33 1.20 0.60 Ir L 16.44 E568-15  
  10 31 42.3 -22 15 00 0.90 0.50     0.28    
38 10 43 38.3 -44 25 04 0.80 0.40 Ir L 16.8    
  10 45 50.8 -44 40 53 -- --     0.77    
39 10 53 00.6 -47 26 12 1.10 0.80 Ir VL 17.5    
  10 55 13.6 -47 42 13 0.80 0.60     0.93    
40 10 55 16.8 -47 54 40 2.00 1.20 Ir? VL 16.03 E215-09 em.neb.?
  10 57 30.2 -48 10 44 1.60 1.00     0.95    
41 11 17 39.2 -68 48 49 0.90 0.60 Ir VL 18.0   refl.neb.?
  11 19 41.8 -69 05 15 0.7: 0.5:     1.20    
42 11 24 11.0 -72 20 19 1.00 0.60 Ir? VL 17.8 P35171 refl.neb.?
  11 26 12.7 -72 36 50 0.70 0.50     1.46    
43 11 32 51.7 -41 16 14 0.70 0.50 Ir? VL 17.9   distant S?
  11 35 18.8 -41 32 50 0.40 0.40     0.35    
44 11 35 25.2 -38 56 37 1.40 0.90 Ir H 15.85 E320-14 blue knots
  11 37 53.4 -39 13 14 1.00 0.70     0.61    
45 11 37 59.9 -46 55 44 0.60 0.50 Ir VL 18.2    
  11 40 27.2 -47 12 22 -- --     0.71    
46 11 40 02.3 -25 38 08 0.80 0.70 Ir L 16.60 E504-9 blue knots
  11 42 33.4 -25 54 47 -- --     0.20    
47 11 54 57.6 -27 50 45 1.30 1.10 Ir/Sph VL 17.5    
  11 57 30.8 -28 07 27 -- --     0.32    
48 12 03 01.0 -43 29 30 1.30 0.90 Ir L 17.20 E267-14 Vh = 2989, NED
  12 05 36.0 -43 46 12 0.90 0.60     0.53   HIPASS w.em.
49 12 05 02.6 -30 54 58 0.80 0.60 Ir/Sph L 17.25 E441-3 yellow
  12 07 37.5 -31 11 40 -- --     0.28    
50 12 06 55.1 -30 05 07 0.60 0.45 Sph? L 18.0    
  12 09 30.3 -30 21 49 0.50 0.35     0.25    
51 12 41 36.2 -42 39 58 0.90 0.40 E/Sph L 16.7   HIPASS no em.
  12 44 21.5 -42 56 23 -- --     0.38    
52 12 55 13.5 -45 32 31 1.60 1.10 Ir/Sm VL 16.4 P044397 HIPASS w.em.
  12 58 04.0 -45 48 43 -- --     0.38   at 2000 km s-1
53 13 08 24.3 -38 38 26 0.80 0.70 Sph VL 17.3 Cen 7 HIPASS no em.
  13 11 14.2 -38 54 22 -- --     0.38    
54 13 18 44.5 -31 37 29 1.10 0.75 Ir? EL 17.6   HIPASS no em.
  13 21 32.4 -31 53 11 0.65 0.45     0.29    
55 13 19 17.8 -42 28 00 0.80 0.70 Sph EL 18.5   Cen.gr.mem.
  13 22 12.8 -42 43 41 0.80 0.70     0.63   HIPASS no em.



 
Table 1: continued
# RA (1950) Dec ( $a\times b)_{\rm b}$ Type SB $B_{\rm t}$ NED Notes
  RA (2000) Dec ( $a\times b)_{\rm r}$     $A_{\rm b}$ identif.  
(1) (2) (3) (4) (5) (6) (7) (8)
                   
56 13 32 56.1 -56 16 46 1.10 0.95 Ir? L 16.7 P48001  
  13 36 10.2 -56 32 04 1.10 0.80     3.02    
57 13 38 38.5 -42 19 47 0.80 0.70 Sph EL 18.1   Cen.gr.?
  13 41 38.2 -42 34 55 -- --     0.39   HIPASS no em.
58 13 43 05.7 -36 04 41 1.00 0.70 Sph? VL 17.1   PN?; HIPASS
  13 46 01.0 -36 19 41 -- --     0.27   w.em  100 km s-1
59 13 44 43.9 -53 06 08 3.00 1.30 Ir L 14.2 E174-01 Vh = 680, NED
  13 47 57.7 -53 21 04 2.30 1.20     2.13    
60 13 50 42.2 -61 59 18 1.70 1.20 RN? L 17.1    
  13 54 15.5 -62 14 02 1.60 1.10     77.92    
61 15 05 56.6 -67 45 15 1.50 0.60 Ir L 18.0   refl.neb.?
  15 10 30.5 -67 56 38 2.00 0.80     0.79   red, arched
62 15 40 49.7 -27 55 07 1.00 0.50 Ir L 18.1   distant?
  15 43 52.8 -28 04 33 0.70 0.35     0.90    
63 15 56 42.3 -31 08 45 2.5: 1.5: Ir? EL 16.0   cirrus?
  15 59 51.0 -31 17 13 2.5: 1.2:     0.94    
64 16 06 01.7 -65 37 14 0.90 0.75 Ir? L 16.9 P57387 refl.neb.?
  16 10 46.2 -65 45 03 0.80 0.70     0.56    
65 16 44 08.9 -27 05 17 0.80 0.60 S? L 17.5   distant?
  16 47 15.1 -27 10 36 0.70 0.50     1.24    
66 16 49 29.1 -59 00 29 1.50 0.70 Ir VL 16.7   comp. of
  16 53 49.4 -59 05 24 1.50 0.80     0.58   N6221?
67 17 00 38.2 -18 48 14 0.70 0.70 Ir VL 17.7    
  17 03 34.1 -18 52 25 0.70 0.50     1.40    
68 18 18 05.8 -62 17 42 1.00 0.55 Ir L 16.59 E140-19 distant?
  18 22 46.3 -62 16 13 0.95 0.50     0.34    
69 18 46 22.8 -64 04 02 0.50 0.40 Ir L 18.09 Sersic129 comp. of
  18 51 10.7 -64 00 30 0.45 0.35     0.37   N6744?
70 19 02 12.3 -64 02 28 0.55 0.50 Ir? L 17.7   comp. of
  19 06 57.7 -63 57 50 0.50 0.45     0.20   N6744?
71 19 04 00.6 -63 48 41 2.70 0.70 Ir L 15.10 E104-38 comp. of
  19 08 44.4 -63 43 55 2.20 0.60     0.19   N6744
72 19 07 40.0 -63 56 21 0.60 0.45 Ir VL 17.9   comp. of
  19 12 23.9 -63 51 19 0.35 0.25     0.17   N6744?
73 19 17 20.4 -60 46 41 1.20 1.00 Ir L 16.9    
  19 21 46.3 -60 41 00 1.30 0.90     0.23    
74 19 23 16.9 -61 06 43 0.90 0.45 Ir VL 17.6    
  19 27 43.2 -61 00 38 0.85 0.45     0.34    
75 20 17 21.2 -22 03 48 0.50 0.45 Ir L 18.2   blue knots
  20 20 17.2 -21 54 17 0.50 0.40     0.34    
76 20 39 57.8 -61 26 52 0.80 0.70 Ir L 17.11 APM blue knots
  20 44 04.6 -61 16 01 0.60 0.50     0.23    
77 20 49 44.9 -39 06 43 0.80 0.30 Ir L 17.8 AM2049-390  
  20 52 58.4 -38 55 21 0.70 0.30     0.24    
78 21 50 30.9 -26 48 54 1.10 0.50 Ir L 16.25 E532-02  
  21 53 22.5 -26 34 44 1.00 0.40     0.15    
79 22 04 02.0 -46 39 31 0.9: 0.7: Sph? L 17.5 AM2204-463  
  22 07 09.5 -46 24 51 0.7: 0.4:     0.06    
80 22 12 51.8 -59 46 48 0.90 0.70 Ir L 17.4   blue knots
  22 16 16.3 -59 31 50 0.70 0.55     0.11    
81 22 44 29.4 -19 06 33 1.10 0.60 Ir L 16.47 E603-13  
  22 47 10.5 -18 50 43 1.00 0.50     0.14    



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