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Table A.1

Log of the Chandra observations.

Target Obs. ID Date Pointing Exposure time

Name hh mm ss.s (ks)
MC2, Bridge-B2, Bridge E, G0.11-0.11 2951 2002-02-19 Sgr A(*) 17 45 40.00−29 00 28.10 12
MC2, Bridge-B2, Bridge E, G0.11-0.11 2952 2002-03-23 Sgr A(*) 17 45 40.00−29 00 28.10 12
MC2, Bridge-B2, Bridge E, G0.11-0.11 2953 2002-04-19 Sgr A(*) 17 45 40.00−29 00 28.10 12
MC2, Bridge-B2, Bridge E, G0.11-0.11 2954 2002-05-07 Sgr A(*) 17 45 40.00−29 00 28.10 12
MC2, Bridge-B2, Bridge E, G0.11-0.11 2943 2002-05-22 Sgr A(*) 17 45 40.00−29 00 28.10 38
MC2, Bridge-B2, Bridge E, G0.11-0.11 3663 2002-05-24 Sgr A(*) 17 45 40.00−29 00 28.10 38
MC2, Bridge-B2, Bridge E, G0.11-0.11 3392 2002-05-25 Sgr A(*) 17 45 40.00−29 00 28.10 170
MC2, Bridge-B2, Bridge E, G0.11-0.11 3393 2002-05-28 Sgr A(*) 17 45 40.00−29 00 28.10 158
MC2, Bridge-B2, Bridge E, G0.11-0.11 3665 2002-06-03 Sgr A(*) 17 45 40.00−29 00 28.10 90
MC2, Bridge-B2, Bridge E, G0.11-0.11 3549 2003-06-19 Sgr A(*) 17 45 40.00−29 00 28.00 25
MC2, Bridge-B2, Bridge E, G0.11-0.11 4683 2004-07-05 Sgr A(*) 17 45 40.00−29 00 28.00 50
MC2, Bridge-B2, Bridge E, G0.11-0.11 4684 2004-07-06 Sgr A(*) 17 45 40.00−29 00 28.00 50
MC2, Bridge-B2, Bridge E, G0.11-0.11 6113 2005-02-27 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 5950 2005-07-24 Sgr A(*) 17 45 40.00−29 00 28.00 48
MC2, Bridge-B2, Bridge E, G0.11-0.11 5951 2005-07-27 Sgr A(*) 17 45 40.00−29 00 28.00 49
MC2, Bridge-B2, Bridge E, G0.11-0.11 5952 2005-07−29 Sgr A(*) 17 45 40.00−29 00 28.00 45
MC2, Bridge-B2, Bridge E, G0.11-0.11 5953 2005-07-30 Sgr A(*) 17 45 40.00−29 00 28.00 49
MC2, Bridge-B2, Bridge E, G0.11-0.11 5954 2005-08-01 Sgr A(*) 17 45 40.00−29 00 28.00 18
MC2, Bridge-B2, Bridge E, G0.11-0.11 6639 2006-04-11 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6640 2006-05-03 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6641 2006-06-01 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6642 2006-07-04 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6363 2006-07-17 Sgr A(*) 17 45 40.00−29 00 28.00 30
MC2, Bridge-B2, Bridge E, G0.11-0.11 6643 2006-07-30 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6644 2006-08-22 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6645 2006-09-25 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 6646 2006-10-29 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7554 2007-02-11 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7555 2007-03-25 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7556 2007-05-17 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7557 2007-07-20 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7558 2007-09-02 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 7559 2007-10-26 Sgr A(*) 17 45 40.00−29 00 28.00 5
MC2, Bridge-B2, Bridge E, G0.11-0.11 9169 2008-05-05 Sgr A(*) 17 45 40.00−29 00 28.10 28
MC2, Bridge-B2, Bridge E, G0.11-0.11 9170 2008-05-06 Sgr A(*) 17 45 40.00−29 00 28.10 27
MC2, Bridge-B2, Bridge E, G0.11-0.11 9171 2008-05-10 Sgr A(*) 17 45 40.00−29 00 28.10 28
MC2, Bridge-B2, Bridge E, G0.11-0.11 9172 2008-05-11 Sgr A(*) 17 45 40.00−29 00 28.10 27
MC2, Bridge-B2, Bridge E, G0.11-0.11 9174 2008-07-25 Sgr A(*) 17 45 40.00−29 00 28.10 29
MC2, Bridge-B2, Bridge E, G0.11-0.11 9173 2008-07-26 Sgr A(*) 17 45 40.00−29 00 28.10 28
MC2, Bridge-B2, Bridge E, G0.11-0.11 10 556 2009-05-18 Sgr A(*) 17 45 40.00−29 00 28.10 113
MC2, Bridge-B2, Bridge E, G0.11-0.11 11 843 2010-05-13 Sgr A(*) 17 45 40.00−29 00 28.00 79
MC2, Bridge-B2, Bridge E, G0.11-0.11 13 016 2011-03-29 Sgr A(*) 17 45 40.00−29 00 28.10 18
MC2, Bridge-B2, Bridge E, G0.11-0.11 13 017 2011-03-31 Sgr A(*) 17 45 40.00−29 00 28.10 18
MC2, Bridge-B2, Bridge E, G0.11-0.11 13 508 2011-07-19 Sgr A complex 17 45 59.70−28 58 15.90 33
MC2, Bridge-B2, Bridge E, G0.11-0.11 12 949 2011-07-21 Sgr A complex 17 45 59.70−28 58 15.90 58
MC2, Bridge-B2, Bridge E, G0.11-0.11 13 438 2011-07-29 Sgr A complex 17 45 59.70−28 58 15.90 66
MC2, Bridge-B2, Bridge E, G0.11-0.11 14 941 2013-04-06 Sgr A(*) 17 45 40.00−29 00 28.10 20
MC2, Bridge-B2, Bridge E, G0.11-0.11 14 942 2013-04-14 Sgr A(*) 17 45 40.00−29 00 28.10 20
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 236 2015-04-25 Sgr A complex 1 17 46 15.50−28 55 00.70 79
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 239 2015-08-19 Sgr A complex 2 17 46 07.00−28 53 09.50 79
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 237 2016-05-18 Sgr A complex 1 17 46 15.50−28 55 00.70 21
MC2, Bridge-B2, Bridge E, G0.11-0.11 18 852 2016-05-18 Sgr A complex 1 17 46 14.10−28 54 52.50 52
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 240 2016-05-18 Sgr A complex 2 17 46 09.60−28 53 43.80 75
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 238 2017-07-17 Sgr A complex 1 17 46.14.10−28 54 52.50 65
MC2, Bridge-B2, Bridge E, G0.11-0.11 20 118 2017-07-23 Sgr A complex 1 17 46 14.10−28 54 52.50 14
MC2, Bridge-B2, Bridge E, G0.11-0.11 17 241 2017-10-02 Sgr A complex 2 17 46.07.00−28 53 09.50 25
MC2, Bridge-B2, Bridge E, G0.11-0.11 20 807 2017-10-05 Sgr A complex 1 17 46.07.00−28 53 09.50 28
MC2, Bridge-B2, Bridge E, G0.11-0.11 20808(*) 2017-10-02 Sgr A complex 2 17 46.07.00−28 53 09.50 27

Sgr B2 11795 (*) 2010-07-20 Sgr B2 17 46 06.70−28 26 47.29 99

Sgr C1, Sgr C2 16643(*) 2014-08-03 Sgr C 17 44 23.80−29 23 58.90 36
Sgr C3 7040(*) 2007-04-25 Deep GCS 8 17 45 25.10−29 23 33.60 37

Notes. (*) Observations that we use for the spectral analysis (bold numbers).

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