Table 2: Summary of the optical counterparts of X-ray sources found in NGC 300 (see text for details).
ID $\alpha_{\rm J2000.0}$ $\delta_{\rm J2000.0}$ mag (B) mag (V) mag (R) comments
(1) (2) (3) (4) (5) (6) (7)
1 (1) 00:55:10.0 -37:42:12.2 23.44 23.35 22.62 X (RP2001 - P42), WR* (SCA2003 - 41)
3 (1) 00:55:10.9 -37:48:34.2 20.82 20.40 19.85 X (RP2001 - P58), radio (PFP2004), USNO: 0450-00323113
7 (1) 00:54:50.3 -37:38:49.5 22.77 21.53 20.42 X (RP2001 - P32), radio (PFP2004)
8           X (XMMU J005510.7-373855), X (RP2001 - P33)
12           SNR (BL97 - N300-S10), HII (SMJ96 - HII W22), HII (BL97 - N300-H10), radio (PFP2004)
13           X (RP2001 - P25)
17           X (RP2001 - P41), HII (SMJ96 - HII W7), HII (SMJ96 - HII W9), SNR (PDL2000 - SNR 6)
20           SNR (PDL2000 - SNR 15), USNO: 0450-00324001, USNO: 0450-00324043
21           X (RP2001 - P50)
26 (1) 00:55:26.2 -37:38:37.9 24.33 23.69 23.07 X (RP2001 - P30)
28 (1) 00:54:42.6 -37:43:43.2 22.88 22.60 22.18 Cepheid (G84 - 14)
31 (1) 00:54:30.6 -37:43:15.4 24.35 23.82 23.35  
34           SNR (BL97 - N300-S26), HII (DCL88 - 141), radio (PFP2004)
37            
38 (1) 00:54:42.6 -37:37:32.7 22.15 21.71 21.40  
39           Assoc* (PGF2001 - AS 56a)
40           X (RP2001 - P26)
41           X (RP2001 - P54)
42           Cepheid (G84 - 17), X (RP2001 - P51)
43            
46 (1) 00:55:42.9 -37:44:35.5 15.26 15.35 16.31 X (RP2001 - P48), USNO: 0450-00326180
46 (2) 00:55:42.9 -37:44:35.5 15.25 15.30 16.10  
47            
48            
50            
52 (1) 00:55:42.2 -37:40:24.7 24.81 23.41 22.14 X (RP2001 - P36)
54           radio (PFP2004)
56           HII (SMJ96 - HII C27), radio (PFP2004)
57            
60 (1) 00:54:44.4 -37:41:15.8 23.04 22.31 21.52 SNR (PDL2000 - SNR 5), X (RP2001 - P41)
64            
65            
66           X (RP2001 - P50)
67 (1) 00:54:35.9 -37:34:33.9 24.48 23.49 22.47  
69           radio (PFP2004)
71           USNO: 0450-00323152
72 (1) 00:54:37.6 -37:42:49.0 24.98 24.35 23.62 SNR (PDL2000 - SNR 3)
73           X (RP2001 - P28)
74            
79 (1) 00:54:22.2 -37:40:25.3 21.78 21.73 21.91 HII (DCL88 - 10), SNR? (BL97 - N300-S2), USNO: 0450-00318453
84            
87            
88           Star (HG86 - 12), USNO: 0450-00318469
90            
91           radio (PFP2004)
92            
94 (1) 00:55:12.2 -37:38:23.8 24.00 23.58 23.11  
99           X (RP2001 - P57)
100            
102           HII (BL97 - N300-H3), Assoc* (PGF2001 - AS 14)
103            
107           USNO: 0450-00321929
112            
117 (1) 00:55:13.9 -37:47:57.4 24.64 24.28 23.43  
120 (1) 00:54:53.2 -37:43:11.3 20.98 20.15 19.35 radio (PFP2004)
122            
123           SNR? (BL97 - N300-S19)
125            
126 (1) 00:54:53.3 -37:40:29.0 23.32 23.03 22.59  
128           USNO: 0450-00324361
132            
134            
135            
136 (1) 00:54:44.8 -37:37:40.9 24.16 23.81 23.53  
137            
139 (1) 00:55: 7.6 -37:45:15.5 24.20 24.26 24.29  
140           X (RP2001 - P30)
141            
142 (1) 00:54:33.2 -37:44: 4.4 24.80 24.33 23.99  
143            
145 (1) 00:55: 1.0 -37:34:40.5 19.87 18.50 17.22 USNO: 0450-00322130
146            
147 (1) 00:54:51.8 -37:47: 8.6 24.87 24.25 23.26  
148            
150            
151 (1) 00:55:33.9 -37:43:12.8 21.28 21.07 20.71 SNR? (BL97 - N300-S28), HII (S66b - 80), HII (DCL88 - 159), Star (BGK2002 - A14),
            radio (PFP2004), USNO: 0450-00325259
151 (2) 00:55:33.8 -37:43: 9.3 24.15 24.10 24.28  
152            
153            
155 (1) 00:54:56.8 -37:43:41.6 24.83 24.04 23.40  
155 (2) 00:54:56.9 -37:43:38.7 24.27 24.14 24.44  
156 (1) 00:54:30.0 -37:40:31.2 24.83 23.95 23.48  
157 (1) 00:54:52.7 -37:46: 2.1 25.67 24.78 23.65  
158 (1) 00:54:53.4 -37:44:40.7 21.66 21.56 21.54 USNO: 0450-00321373
158 (2) 00:54:53.3 -37:44:39.2 23.27 22.45 21.58  

159 (1)

00:54:46.2 -37:47:19.0 23.61 22.73 21.47  
160           HII (DCL88 - 99), radio (PFP2004)
161 (1) 00:54:41.5 -37:43: 3.9 22.89 21.24 20.07  
162 (1) 00:54:46.0 -37:45:21.1 23.90 22.31 21.14  
163 (1) 00:55:11.6 -37:40:13.8 23.23 23.02 23.22  


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