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Table 2

Basic data.

SBL98 BVF99 UCAC3 RAa Deca mVb MVc SpTd E (b − y)c Teffc log gc log (L/L)e
ID ID ID (hh:mm:ss) (dd:mm:ss) (mag) (mag) (mag) (kK) (dex) (dex)

113 097-238816 16:53:39.1 –41:47:48.1 9.729 B1.5Ve 26.0 3.3
164 097-238918 16:53:47.0 –41:48:55.1 12.361 0.18 B6-8V 0.304 13.3 4.6 2.2
210 097-239017 16:53:52.1 –41:48:54.0 12.011 –0.76 Ap 0.272 16.7 4.5 2.8
226 20 097-239064 16:53:54.6 –41:52:15.2 9.58 –3.85 B1V 0.319 26.8 3.5 4.5
268 26 097-239145 16:53:58.6 –41:48:41.8 9.752 –2.94 B2V 0.306 22.9 3.8 4.0
275 097-239158 16:53:59.3 –41:53:04.2 11.888 –0.97 B4-5V 0.303 16.3 4.3 2.9
283 106 097-239173 16:53:60.0 –41:46:26.4 12.452 –0.74 B 0.309 14.5 4.1 2.7
303 37 097-239216 16:54:01.8 –41:51:11.9 10.281 –3.31 B2IV-V 0.336 21.8 3.4 4.1
306 097-239222 16:54:01.9 –41:53:24.0 13.987
317 21 097-239323 16:54:06.9 –41:49:23.5 10.914 –1.92 B2-3V 0.31 20.5 4.3 3.5
353 41 097-239258 16:54:03.2 –41:51:49.0 9.51 –3.38 B0.5V 0.286 28.6 4.1 4.4
394 39 097-239403 16:54:10.7 –41:47:47.4 10.599 –1.92 B2IV-V 0.294 20.8 4.4 3.5
417 279 097-239450 16:54:12.9 –41:52:28.9 14.618
437 38 097-239486 16:54:14.3 –41:55:01.2 10.299 –3.16 B0Vn 0.415 25.3 3.9 4.1
444 113 097-239499 16:54:14.9 –41:46:58.4 12.602
455 178 097-239520 16:54:15.7 –41:51:40.0 13.455 A5III
456 36 097-239519 16:54:15.7 –41:49:32.2 10.174 –2.79 B1Vn 0.332 22.3 3.8 3.9
461 40 097-239532 16:54:16.3 –41:50:26.5 10.745 –1.79 B1.5V 0.338 20 4.4 3.4
464 56 097-239539 16:54:16.8 –41:45:08.3 11.554 B8-9V 13.3 4.5
480 44 097-239568 16:54:17.9 –41:48:01.4 11.059 B2IVn 19.2 4.7
482 148 097-239573 16:54:18.1 –41:50:16.4 13.062 –0.15 B9V 0.373 13.8 4.4 2.4
486 22 097-239578 16:54:18.3 –41:51:35.6 9.603 –3.47 B0.5V 0.311 28.9 4.0 4.4
515 49 097-239633 16:54:20.6 –41:49:28.6 11.198 –2.83 0.335 18.6 3.3 3.7
521 25 097-239643 16:54:21.3 –41:51:41.8 9.715 B0-2V
528 66 097-239654 16:54:21.7 –41:49:54.5 11.719 –0.99 B6Vn 0.343 15.8 4.2 2.8
574 101 097-239760 16:54:26.1 –41:51:31.3 12.462
612 30 097-239858 16:54:31.2 –41:55:28.6 9.945 F0III
653 28 097-239952 16:54:36.0 –41:53:38.0 9.803 –3.61 B1V 0.352 30 4.0 4.5
705 097-240058 16:54:42.4 –41:47:16.4 14.426
712 23 097-240079 16:54:43.2 –41:49:35.4 9.601 –3.61 B1V 0.328 27.8 3.8 4.4
752 097-240182 16:54:48.7 –41:52:30.7 12.239 8.2 3.7
097-240594 16:55:18.1 –41:46:24.2

Notes.Includes positions and photometry, cross identification of SBL98, BVF99, and UCAC3, and spectral type information for all detected variable stars in the FOV of our observations, as well as the results of our calculation of stellar parameters for all stars in the FOV for which the required measurements were available. Stars which are supposedly cluster members of NGC 6231 have their SBL98 IDs printed in boldface. SBL464 has not been identified as a member so far, but our analysis supports this idea.

(a)

Coordinates from the USNO CCD Astrograph Catalogue 3 (UCAC3).

(b)

Photometry from SBL98.

(c)

Calculated using published Strömgren photometry, supplemented by Geneva photometry (values in italics).

(d)

Spectral type information from RCB97, PHC91, or the Catalogue of Stellar Spectral Classifications (Skiff 2009).

(e)

Calculated from the MV value and interpolated bolometric corrections.

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