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Table 2.

Details of the legacy survey imaging analysis of 55 star-forming blue early-type galaxies.

ID S09 RA Dec z Mr u − r SFRHα log10M⋆ SFRSED Morph RGB and r-band Color map
ID h:m:s d:m:s (mag) (mag) (M⊙ yr−1) M⊙ (M⊙ yr−1) feature remarks feature remarks
1 2 11:23:27.0 −00:42:48.8 0.04084 −20.81 1.606 4.5 10.39 2.79 E Tidal tail ( ⋆ ) Blue core
2 4 15:23:47.1 −00:38:23.0 0.03747 −21.0 1.998 2.5 10.58 2.44 E − Red ring around center
3 5 12:08:23.5 +00:06:37.0 0.04081 −21.5 2.038 3.5 10.76 2.73 E Diffuse at north Blue core
4 7 01:41:43.2 +13:40:32.8 0.04539 −21.81 1.432 12.0 10.73 10.21 E Diffuse at south Blue core and blue structure ( † )
5 8 01:03:58.7 +15:14:50.1 0.04176 −21.4 2.261 7.0 − − S0 Diffuse at west Red core and red structure ( † )
6 14 12:35:02.6 +66:22:33.4 0.04684 −21.67 1.959 6.1 10.83 6.19 E Faint diffuse at east Red core and blue disky structure ( † )
7 20 08:29:09.1 +52:49:06.9 0.04842 −21.0 1.835 2.1 10.47 2.61 E Faint at south east Blue core and blue structure ( † )
8 23 12:06:47.2 +01:17:09.8 0.04124 −21.18 2.207 1.2 10.69 1.83 S0 Faint at north Red core, blue structure ( † )
9 30 15:17:19.7 +03:19:18.9 0.03749 −20.74 2.131 0.73 10.46 1.02 S0 − Flat blue disk
10 41 10:16:28.4 +03:35:02.7 0.04848 −21.72 2.38 6.1 10.90 2.24 S0 All around Red core, red structure ( † )
11 50 13:57:07.5 +05:15:06.8 0.03967 −21.86 2.158 6.6 10.88 3.72 E All around Red core
12 52 14:51:15.7 +62:00:14.6 0.04306 −21.45 2.173 3.9 10.88 5.33 S0 One sided Red core, red structure ( † )
13 56 17:23:24.9 +27:48:46.3 0.04845 −21.46 2.017 3.2 10.73 2.95 E One sided diffuse halo ( ⋆ ) Blue core, blue ring structure ( † )
14 58 14:06:56.4 −01:35:41.0 0.02916 −21.37 2.127 5.7 10.71 3.79 S0 One sided diffuse halo ( ⋆ ) Red core
15 61 22:15:16.2 −09:15:47.6 0.03843 −21.61 1.707 21.0 − − E All around Blue core, red ring structure ( † )
16 66 10:54:37.9 +55:39:46.0 0.04787 −20.89 1.976 6.5 − − E All around Red core, blue structure ( † )
17 68 03:01:26.2 −00:04:25.5 0.04285 −21.1 2.156 3.2 10.71 2.11 S0 All around Red core, red elongated structure ( † )
18 72 09:13:23.7 +43:58:34.2 0.04292 −21.45 2.176 14.0 10.86 6.11 E All around Red core
19 77 12:20:37.4 +56:28:46.2 0.04381 −20.84 2.238 0.53 10.57 0.86 E One sided diffuse halo ( ⋆ ) Red core, blue structure
20 84 07:54:20.6 +25:51:33.2 0.04167 −21.06 2.011 1.7 10.51 1.57 E One sided Red core,blue ring
21 86 08:53:11.4 +37:08:06.5 0.0498 −21.59 2.063 10.0 10.99 3.93 E One sided diffuse halo ( ⋆ ) Red core
22 92 12:20:23.1 +08:51:37.1 0.04894 −20.88 2.086 3.6 10.62 2.81 S0 One sided diffuse halo ( ⋆ ) Red core, red structure ( † )
23 101 14:02:48.8 +52:30:00.8 0.04361 −20.77 1.893 1.4 − − S0 Spiral feature outside galaxy Red core, blue structure ( † )
24 102 14:07:47.2 +52:38:09.7 0.04381 −20.78 1.812 4.2 10.44 3.08 S0 All around Red core, blue structure ( † )
25 103 15:50:00.5 +41:58:11.2 0.03391 −20.8 1.879 3.6 10.63 1.69 E One sided diffuse halo ( ⋆ ) Red core, blue structure ( † )
26 105 16:51:16.7 +28:06:52.5 0.04724 −21.59 1.921 4.0 10.81 4.14 S0 Faint all around Blue color structure from center to south ( † )
27 108 07:47:23.1 +22:20:41.3 0.04549 −20.9 2.256 0.45 10.66 0.80 E One sided diffuse halo ( ⋆ ) Red core
28 119 15:53:35.6 +32:18:20.6 0.04985 −21.07 1.789 3.2 10.41 2.69 S0 All around Blue core, blue structure ( † )
29 121 13:47:47.7 +11:16:27.0 0.03942 −21.2 1.911 5.5 10.60 3.63 S0 One sided Red core, blue structure ( † )
30 124 16:44:30.8 +19:56:26.7 0.023 −20.71 1.873 5.2 10.36 1.96 S0 All around Blue core, red structure ( † )
31 129 07:59:12.4 +53:33:26.0 0.03479 −20.92 1.657 13.0 10.41 5.7 E All around Red core, blue structure ( † )
32 130 08:10:20.1 +56:12:26.3 0.04623 −20.78 2.13 1.0 10.60 1.34 E All around Red core, blue structure
33 137 07:56:36.3 +18:44:17.7 0.03988 −21.53 2.088 3.9 10.80 2.13 S0 One sided diffuse halo ( ⋆ ) Red core, blue structure
34 139 07:56:08.7 +17:22:50.5 0.02899 −20.73 2.211 1.6 10.60 1.06 S0 One sided diffuse halo ( ⋆ ) Red core, red structure ( † )
35 145 15:18:09.6 +25:42:11.5 0.0326 −20.85 1.96 6.6 10.44 3.77 Spiral − Red core, blue structure ( † )
36 146 16:07:54.0 +20:03:03.8 0.03165 −20.73 1.487 4.8 10.32 2.25 E Faint all around Blue core
37 147 13:26:20.8 +31:41:59.9 0.04999 −21.89 1.93 6.7 11.01 6.78 E One sided diffuse halo ( ⋆ ) Red core, blue structure ( † )
38 148 10:20:34.9 +29:14:10.8 0.04846 −20.96 1.998 1.0 10.50 1.07 S0 One sided diffuse halo ( ⋆ ) Blue structure
39 149 11:31:22.0 +32:42:22.9 0.03368 −21.61 2.015 6.3 10.76 4.33 S0 Faint all around Red core, blue structure
40 151 15:44:51.5 +17:51:22.5 0.04521 −21.32 1.994 3.7 10.78 3.85 E Faint all around Red core, blue structure
41 157 16:04:39.4 +16:44:43.6 0.04599 −20.74 2.308 0.54 10.48 0.29 S0 One sided diffuse halo ( ⋆ ) Red core, red structure
42 160 10:25:24.7 +27:25:06.3 0.04973 −20.98 2.256 3.1 10.68 1.41 S0 Faint all around Red core, red structure ( † )
43 172 08:17:56.3 +47:07:19.5 0.03901 −21.06 2.309 8.1 10.85 1.21 S0 North and south Blue core, red structure ( † )
44 175 09:24:29.6 +53:41:37.8 0.0459 −20.8 1.997 0.63 10.49 1.47 E One sided diffuse halo ( ⋆ ) Red core, blue structure
45 177 13:01:41.4 +04:40:49.9 0.03836 −21.4 2.101 1.5 10.74 2.39 E Blue diffuse on disk Red core, blue structure ( † )
46 180 12:06:17.0 +63:38:19.0 0.03974 −21.26 1.686 18.0 10.67 18.84 E Faint on east and south Blue core, red structure ( † )
47 182 14:32:22.7 +56:51:08.4 0.04302 −21.74 1.864 6.1 10.92 5.00 E Faint all around Red core, blue structure
48 190 14:14:33.2 +40:45:22.9 0.04185 −20.86 1.614 5.2 − − S0 Faint all around Red core, blue structure ( † )
49 192 11:52:05.0 +45:57:06.6 0.04316 −20.72 1.842 1.7 10.48 1.61 E Diffuse one sided Red core, blue structure
50 195 14:53:23.4 +39:04:13.6 0.03153 −20.88 2.134 1.2 10.51 0.78 E All around Flat blue disk
51 202 14:17:32.6 +36:20:19.1 0.04712 −20.93 1.916 1.6 10.51 2.50 E Faint all around Red core, blue structure
52 206 14:37:33.0 +08:04:43.0 0.04987 −21.62 2.353 3.6 10.90 3.30 S0 Faint all around Red core, red structure ( † )
53 209 16:18:18.7 +34:06:40.1 0.04733 −21.58 2.307 2.9 10.79 2.21 S0 All around Red core, red structure ( † )
54 213 08:43:46.7 +31:34:52.6 0.04756 −20.7 2.11 7.3 10.25 3.58 S0 One sided feature ( ⋆ ) Red core, elongated blue structure
55 215 10:26:54.6 −00:32:29.4 0.03463 −21.38 2.137 7.6 10.71 4.74 E All around Blue central region, red outskirts

Notes. Column (1): object ID assigned for the galaxies used in this work; Col. (2): ID for the galaxies as in S09; Cols. (3) and (4): galaxy coordinates (epoch J2000); Col. (5): spectroscopic redshift of blue ETGs from SDSS; Col. (6): r-band absolute magnitude; Col. (7) : u − r colors; Col. (8): Hα SFRs; Col. (9): log stellar mass; Col. (10): SFRs from the spectral energy distribution; Cols. (11) – (13): early-type morphology (E or S0) assigned by visual check of deeper imaging data, details obtained from the visual inspection of the rgz color composite, r-band imaging and g − r color map of 55 blue star-forming early-type galaxies. ( ⋆ )Feature seen in large field smoothed image. ( † )g − r color structure used in Fig. 5.

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