Title: Discovery of periodic dips in the brightest hard X-ray source of M31 with EXTraS Authors: Marelli M., Tiengo A., De Luca A., Salvetti D., Saronni L., Sidoli L., Paizis A., Salvaterra R., Belfiore A., Israel G., Haberl F., D'Agostino D.D. Table: Dipping light curve parameters ================================================================================ Byte-by-byte Description of file: apjlaa9b2et2_mrt.txt -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 2 I2 --- Seq Observation number 4- 13 I10 --- ObsID XMM ObsID 16- 34 A19 --- ObsDate Observation Date, YYYY-MM-DTHH:MM:SS 36- 39 F4.1 ks Exp Live exposure time 41- 48 A8 --- Bestfit Best fit model 50- 52 I3 --- DoF ?="" Degrees of Freedom 54- 61 E8.2 --- nhp ?="" null hypothesis probability 63- 66 F4.2 10+38erg/s Lout ?="" luminosity outside the dip, 10+38 erg/s 68- 71 F4.2 10+38erg/s e_Lout ?="" Uncertainty in Lout 73- 80 E8.1 10+38erg/s2 lin ?="" linear (decrease) in luminosity (1) 82- 88 E7.1 10+38erg/s2 e_lin ?="" Uncertainty in lin 90- 98 F9.3 MJD Tmin ?="" time of minimum luminosity, JD-2400000.5 100-104 F5.3 MJD e_Tmin ?="" Uncertainty in Tmin 106-109 F4.2 ks DeltaT ?="" duration of the dip 111-114 F4.2 ks e_DeltaT ?="" Uncertainty in DeltaT 116-119 F4.2 10+38erg/s Lmin ?="" minimum luminosity, 10+38 erg/s 121-125 F5.3 10+38erg/s e_Lmin ?="" Uncertainty in Lmin -------------------------------------------------------------------------------- Note (1): The luminosity at a time (t) is given as Luminosity(t)[erg/s] = Luminosity(t0)[erg/s]+lin[erg/s2]*t[s]. -------------------------------------------------------------------------------- 1 0112570401 2000-06-25T10:44:42 34.5 constant 70 8.26E-02 1.13 0.02 2 0109270101 2001-06-29T06:59:13 54.4 constant 110 2.15E-01 1.16 0.01 3 0112570101 2002-01-06T18:07:17 63.0 linear 126 1.42E-01 1.04 0.03 -5.1E-06 0.7E-06 4 0202230201 2004-07-16T16:17:49 19.7 constant 40 1.78E-01 1.38 0.03 5 0202230401 2004-07-18T23:50:10 21.4 constant 38 5.98E-01 1.09 0.02 6 0202230501 2004-07-19T12:49:04 26.1 constant 53 6.14E-01 0.93 0.02 7 0405320501 2006-07-02T14:14:29 21.3 constant 43 7.86E-02 1.68 0.03 8 0405320601 2006-08-09T11:59:23 21.3 constant 43 9.96E-01 1.21 0.02 9 0405320701 2006-12-31T14:01:28 15.4 con+1dip 28 6.47E-02 0.85 0.03 54100.737 0.001 2.87 0.47 0.17 0.09 10 0405320801 2007-01-16T11:24:02 13.4 constant 28 7.30E-01 1.56 0.03 11 0405320901 2007-02-05T03:21:01 16.4 con+1dip 30 3.20E-01 0.93 0.03 54136.287 0.001 3.84 0.48 0.26 0.06 12 0505720201 2007-12-29T13:19:11 26.8 con+2dip 48 8.56E-01 0.82 0.02 54463.683 0.001 3.04 0.33 0.08 0.06 12 0505720201 2007-12-29T13:19:11 26.8 con+2dip 54463.850 0.002 3.36 0.55 0.41 0.06 13 0505720301 2008-01-08T06:38:03 26.5 constant 54 3.63E-02 1.66 0.03 14 0505720401 2008-01-18T14:48:44 22.2 constant 45 4.03E-02 1.49 0.03 15 0505720501 2008-01-27T22:05:19 21.2 constant 43 3.61E-01 1.15 0.02 16 0505720601 2008-02-07T04:33:16 21.3 constant 44 3.53E-01 1.61 0.02 17 0560180101 2008-07-18T05:49:32 21.3 constant 44 2.83E-01 1.45 0.04 18 0551690201 2008-12-30T03:04:26 21.2 con+2dip 37 4.52E-03 0.86 0.03 54830.223 0.002 4.75 0.64 0.16 0.07 18 0551690201 2008-12-30T03:04:26 21.2 con+2dip 54830.379 0.004 2.80 1.76 0.22 0.18 19 0551690301 2009-01-09T05:56:27 21.1 constant 44 5.92E-01 1.51 0.02 20 0551690401 2009-01-15T21:17:25 26.3 constant 53 2.49E-01 1.23 0.03 21 0551690501 2009-01-27T06:59:35 21.0 constant 43 8.64E-02 1.47 0.03 22 0551690601 2009-02-04T12:57:36 19.5 con+2dip 48 8.80E-03 0.82 0.03 54866.623 0.002 2.19 0.55 0.08 0.02 22 0551690601 2009-02-04T12:57:36 19.5 con+2dip 54866.791 0.002 2.50 0.82 0.38 0.11 23 0600660201 2009-12-28T12:19:26 18.1 constant 37 2.13E-01 1.37 0.03 24 0600660301 2010-01-07T07:23:07 16.7 constant 34 6.84E-01 1.02 0.02 25 0600660401 2010-01-15T12:20:26 16.6 constant 34 3.83E-01 1.28 0.03 26 0600660501 2010-01-25T02:15:46 19.1 constant 39 9.41E-02 1.34 0.03 27 0600660601 2010-02-02T02:18:08 16.8 con+1dip 31 3.14E-01 0.97 0.03 55229.226 0.002 2.23 0.47 0.49 0.10 28 0650560201 2010-12-26T09:55:44 26.3 constant 53 1.66E-02 1.13 0.02 29 0650560301 2011-01-04T17:46:48 32.7 constant 66 4.84E-01 1.69 0.02 30 0650560401 2011-01-14T23:53:29 23.7 con+2dip 42 1.51E-02 0.92 0.03 55576.019 0.002 3.36 0.55 0.21 0.09 30 0650560401 2011-01-14T23:53:29 23.7 con+2dip 55576.186 0.001 5.00 0.56 0.10 0.06 31 0650560501 2011-01-25T06:52:18 23.3 constant 47 1.42E-01 1.47 0.03 32 0650560601 2011-02-03T23:34:45 23.3 constant 47 1.97E-01 1.69 0.03 33 0674210201 2011-12-28T00:45:21 20.3 con+1dip 38 9.60E-02 1.38 0.03 55923.159 0.004 5.00 1.54 0.99 0.11 34 0674210301 2012-01-07T02:24:46 16.8 constant 34 8.59E-01 2.54 0.03 35 0674210401 2012-01-15T14:37:17 19.4 con+1dip 36 3.61E-01 1.36 0.03 55941.708 0.001 2.83 0.52 0.66 0.12 36 0674210501 2012-01-21T11:58:42 16.8 variable 34 2.63E-05 1.47 0.05 37 0674210601 2012-01-31T01:56:08 20.9 constant 46 7.00E-02 2.83 0.04 38 0700380501 2012-07-28T14:53:08 11.5 constant 23 3.99E-01 1.79 0.09 39 0700380601 2012-08-08T22:44:48 23.4 constant 47 1.67E-01 2.66 0.07 40 0727960401 2013-07-06T07:43:22 10.5 constant 21 8.35E-01 2.18 0.04