Table 1 X-ray observations of OGLE16aaa.

From: X-ray flares from the stellar tidal disruption by a candidate supermassive black hole binary

Telescope

obsID

obs. date

Days

Exposure

Counts rate

Flux

    

s

10−2 cts s−1

10−13 erg cm−2 s−1

Swift-XRT

00034281001–16

19 Jan 2016–8 June 2016

0–141

30,160

<0.023

<0.12

XMM-PN

0790181801

9 June 2016

141

10,550

1.01 ± 0.11

0.40 ± 0.05

Swift-XRT

00034281018

16 June 2016

148

619

0.60 ±  0.32

3.15 ± 1.72

Swift-XRT

00034281019

17 June 2016

149

797

1.44 ± 0.44

7.59 ± 2.31

Swift-XRT

00034281020

21 June 2016

153

1974

1.42 ± 0.27

7.46 ± 1.42

Swift-XRT

00034281021

17 Nov 2016

302

1684

<0.18

<0.94

XMM-PN

0793183201

30 Nov 2016

316

21,830

9.37 ± 0.21

3.18 ± 0.15

Swift-XRT

00034281024–26

18 Dec 2016–4 Jan 2017

333–350

4842

0.19 ± 0.07

1.01 ± 0.36

Swift-XRT

00034281027–29

19 Feb 2017–23 Feb 2017

397–401

2665

<0.11

<0.59

Swift-XRT

00034281030–31

31 May 2017–4 June 2017

497–501

3014

0.18 ± 0.08

0.94 ± 0.42

Swift-XRT

00034281032

9 Feb 2020

1481

1903

<0.16

 <0.84

  1. For non-detections in either individual epochs or combined data, the corresponding 3σ upper limits on the counts rate and flux are given. The X-ray counts rate and flux is in the 0.3–2 keV, respectively. The X-ray flux is corrected for the internal and Galactic gas absorption.
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