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Table 1

Best-fit spectral model parameters for the 33 XMM-Newton observations of HD 81809, spanning 15 yr.

Obs. ID Obs. start UTC Obs. duration L X T 1 T 2 EM2/EM1 T ave
[s] [1028 erg s-1] [MK] [MK] [MK]

0032340301 2001-11-01 23:16:52 6402
0032341301 2002-11-02 18:04:22 5453
0032342201 2002-06-06 03:07:46 6395
0032342301 2003-05-03 11:10:15 8452
0143630701 2003-11-22 05:33:21 7208
0143630801 2004-04-29 22:09:49 22319
0202610801 2004-11-09 19:16:08 30708
0202611001 2005-05-03 19:19:09 28917
0202611601 2005-10-30 05:57:32 30119
0401880601 2006-11-05 23:41:06 22213
0401880701 2007-05-04 12:22:37 23209
0501930401 2007-11-09 16:42:54 16918
0501930501 2008-05-14 23:38:08 16917
0550061101 2008-11-06 18:13:31 16917
0550061201 2009-04-27 06:36:24 16915
0600820401 2009-05-24 23:00:31 11914
0600820501 2009-11-04 16:32:25 11919
0600820601 2009-12-08 07:22:42 13417
0600820701 2010-04-30 23:45:12 11915
0654550401 2010-10-31 17:48:38 13914
0654550501 2011-04-27 09:52:48 10921
0670320101 2011-11-02 11:38:16 12917
0670320601 2012-05-07 12:21:03 12918
0690800401 2012-06-07 00:38:40 14414
0690800501 2012-11-01 10:47:39 12017
0690800701 2013-04-27 23:47:21 17418
0720580801 2013-10-30 06:04:59 14600
0720580901 2014-04-28 11:30:24 26000
0741700401 2014-10-29 15:35:25 15999
0741700501 2015-04-30 11:36:57 22700
0760290401 2015-10-29 21:10:29 15000
0760290501 2016-04-25 07:18:57 18500
0783340401 2016-10-29 12:03:04 11000

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