Table 4. Open in new tab The variable...

ID	RA	Dec.	Position error	Frequency	Avg flux density	Max flux density	V	η	Source ID	Variable?
Identified in Section 3.1
1	275.5770	7.0885	1.1	0.96		1.9 ± 0.2	0.535	1.866	PSR J1822+0705
				1.18		1.6 ± 0.2	0.467	1.013
				1.39		0.5 ± 0.1	0.428	0.602
				1.61		0.4 ± 0.1	0.952	0.538
2	275.0663	7.2485	2.5	0.96		0.4 ± 0.1	0.618	0.771	MKT J182015.5+071455
				1.18		0.3 ± 0.1	0.702	0.524
				1.39		0.2 ± 0.1	0.376	0.391
				1.61		0.2 ± 0.1	0.570	0.315
3	275.0060	7.4958	1.9	0.96		0.5 ± 0.2	0.443	0.558	MKT J182001.4+072945
				1.18		0.4 ± 0.1	0.507	0.412
				1.39		0.3 ± 0.1	0.297	0.345
				1.61		0.5 ± 0.2	0.779	0.625
Identified in Section 3.2
1	275.0913	7.1854	2.7	0.96	0.6	3.2 ± 0.1	1.56	69.4	MAXI J1820+070	\|$\checkmark$\|
				1.18	0.8	4.0 ± 0.1	1.43	131		\|$\checkmark$\|
				1.39	0.6	3.6 ± 0.1	1.66	325		\|$\checkmark$\|
				1.61	0.8	4.2 ± 0.1	1.45	168		\|$\checkmark$\|
2	274.7075	6.4790	1.4	0.96	7.4	10.2 ± 0.2	0.203	37.5	NVSS J181849+062843	\|$\checkmark$\|
				1.18	9.9	15.1 ± 0.4	0.265	48.8		\|$\checkmark$\|
				1.39	10.4	24.0 ± 0.4	0.340	123		\|$\checkmark$\|
				1.61	13.4	32.7 ± 1.3	0.410	29.3
3	274.4692	6.7773	1.3	0.96	102.7	132.9 ± 1.0	0.185	756	NVSS J181752+064638
				1.18	115.0	150.0 ± 1.5	0.201	484		\|$\checkmark$\|
				1.39	112.6	143.0 ± 1.3	0.167	384
				1.61	111.0	161.8 ± 3.0	0.206	235		\|$\checkmark$\|
4	275.1254	6.5720	1.5	0.96	7.7	9.2 ± 0.2	0.0992	21.6	NVSS J182029+063419
				1.18	9.0	12.0 ± 0.2	0.157	60.1
				1.39	9.4	13.0 ± 0.2	0.222	225		\|$\checkmark$\|
				1.61	10.1	13.2 ± 0.2	0.205	63.2		\|$\checkmark$\|

Dec.

Position error

Frequency

Avg flux density

Max flux density

Source ID

Variable?

(deg)

(arcsec)

(GHz)

(mJy)

Identified in Section 3.1

275.5770

7.0885

1.1

0.96

1.9 ± 0.2

0.535

1.866

PSR J1822+0705

1.18

1.6 ± 0.2

0.467

1.013

1.39

0.5 ± 0.1

0.428

0.602

1.61

0.4 ± 0.1

0.952

0.538

275.0663

7.2485

2.5

0.96

0.4 ± 0.1

0.618

0.771

MKT J182015.5+071455

1.18

0.3 ± 0.1

0.702

0.524

1.39

0.2 ± 0.1

0.376

0.391

1.61

0.2 ± 0.1

0.570

0.315

275.0060

7.4958

1.9

0.96

0.5 ± 0.2

0.443

0.558

MKT J182001.4+072945

1.18

0.4 ± 0.1

0.507

0.412

1.39

0.3 ± 0.1

0.297

0.345

1.61

0.5 ± 0.2

0.779

0.625

Identified in Section 3.2

275.0913

7.1854

2.7

0.96

0.6

3.2 ± 0.1

1.56

69.4

MAXI J1820+070

|$\checkmark$|

1.18

0.8

4.0 ± 0.1

1.43

131

|$\checkmark$|

1.39

0.6

3.6 ± 0.1

1.66

325

|$\checkmark$|

1.61

0.8

4.2 ± 0.1

1.45

168

|$\checkmark$|

274.7075

6.4790

1.4

0.96

7.4

10.2 ± 0.2

0.203

37.5

NVSS J181849+062843

|$\checkmark$|

1.18

9.9

15.1 ± 0.4

0.265

48.8

|$\checkmark$|

1.39

10.4

24.0 ± 0.4

0.340

123

|$\checkmark$|

1.61

13.4

32.7 ± 1.3

0.410

29.3

274.4692

6.7773

1.3

0.96

102.7

132.9 ± 1.0

0.185

756

NVSS J181752+064638

1.18

115.0

150.0 ± 1.5

0.201

484

|$\checkmark$|

1.39

112.6

143.0 ± 1.3

0.167

384

1.61

111.0

161.8 ± 3.0

0.206

235

|$\checkmark$|

275.1254

6.5720

1.5

0.96

7.7

9.2 ± 0.2

0.0992

21.6

NVSS J182029+063419

1.18

9.0

12.0 ± 0.2

0.157

60.1

1.39

9.4

13.0 ± 0.2

0.222

225

|$\checkmark$|

1.61

10.1

13.2 ± 0.2

0.205

63.2

|$\checkmark$|

ID	RA	Dec.	Position error	Frequency	Avg flux density	Max flux density	V	η	Source ID	Variable?
Identified in Section 3.1
1	275.5770	7.0885	1.1	0.96		1.9 ± 0.2	0.535	1.866	PSR J1822+0705
				1.18		1.6 ± 0.2	0.467	1.013
				1.39		0.5 ± 0.1	0.428	0.602
				1.61		0.4 ± 0.1	0.952	0.538
2	275.0663	7.2485	2.5	0.96		0.4 ± 0.1	0.618	0.771	MKT J182015.5+071455
				1.18		0.3 ± 0.1	0.702	0.524
				1.39		0.2 ± 0.1	0.376	0.391
				1.61		0.2 ± 0.1	0.570	0.315
3	275.0060	7.4958	1.9	0.96		0.5 ± 0.2	0.443	0.558	MKT J182001.4+072945
				1.18		0.4 ± 0.1	0.507	0.412
				1.39		0.3 ± 0.1	0.297	0.345
				1.61		0.5 ± 0.2	0.779	0.625
Identified in Section 3.2
1	275.0913	7.1854	2.7	0.96	0.6	3.2 ± 0.1	1.56	69.4	MAXI J1820+070	\|$\checkmark$\|
				1.18	0.8	4.0 ± 0.1	1.43	131		\|$\checkmark$\|
				1.39	0.6	3.6 ± 0.1	1.66	325		\|$\checkmark$\|
				1.61	0.8	4.2 ± 0.1	1.45	168		\|$\checkmark$\|
2	274.7075	6.4790	1.4	0.96	7.4	10.2 ± 0.2	0.203	37.5	NVSS J181849+062843	\|$\checkmark$\|
				1.18	9.9	15.1 ± 0.4	0.265	48.8		\|$\checkmark$\|
				1.39	10.4	24.0 ± 0.4	0.340	123		\|$\checkmark$\|
				1.61	13.4	32.7 ± 1.3	0.410	29.3
3	274.4692	6.7773	1.3	0.96	102.7	132.9 ± 1.0	0.185	756	NVSS J181752+064638
				1.18	115.0	150.0 ± 1.5	0.201	484		\|$\checkmark$\|
				1.39	112.6	143.0 ± 1.3	0.167	384
				1.61	111.0	161.8 ± 3.0	0.206	235		\|$\checkmark$\|
4	275.1254	6.5720	1.5	0.96	7.7	9.2 ± 0.2	0.0992	21.6	NVSS J182029+063419
				1.18	9.0	12.0 ± 0.2	0.157	60.1
				1.39	9.4	13.0 ± 0.2	0.222	225		\|$\checkmark$\|
				1.61	10.1	13.2 ± 0.2	0.205	63.2		\|$\checkmark$\|

Table 4.

Open in new tab

The variable sources identified in the field of MAXI J1820+070.

ID	RA	Dec.	Position error	Frequency	Avg flux density	Max flux density	V	η	Source ID	Variable?
	(deg)	(deg)	(arcsec)	(GHz)	(mJy)	(mJy)
Identified in Section 3.1
1	275.5770	7.0885	1.1	0.96		1.9 ± 0.2	0.535	1.866	PSR J1822+0705
				1.18		1.6 ± 0.2	0.467	1.013
				1.39		0.5 ± 0.1	0.428	0.602
				1.61		0.4 ± 0.1	0.952	0.538
2	275.0663	7.2485	2.5	0.96		0.4 ± 0.1	0.618	0.771	MKT J182015.5+071455
				1.18		0.3 ± 0.1	0.702	0.524
				1.39		0.2 ± 0.1	0.376	0.391
				1.61		0.2 ± 0.1	0.570	0.315
3	275.0060	7.4958	1.9	0.96		0.5 ± 0.2	0.443	0.558	MKT J182001.4+072945
				1.18		0.4 ± 0.1	0.507	0.412
				1.39		0.3 ± 0.1	0.297	0.345
				1.61		0.5 ± 0.2	0.779	0.625
Identified in Section 3.2
1	275.0913	7.1854	2.7	0.96	0.6	3.2 ± 0.1	1.56	69.4	MAXI J1820+070	\|$\checkmark$\|
				1.18	0.8	4.0 ± 0.1	1.43	131		\|$\checkmark$\|
				1.39	0.6	3.6 ± 0.1	1.66	325		\|$\checkmark$\|
				1.61	0.8	4.2 ± 0.1	1.45	168		\|$\checkmark$\|
2	274.7075	6.4790	1.4	0.96	7.4	10.2 ± 0.2	0.203	37.5	NVSS J181849+062843	\|$\checkmark$\|
				1.18	9.9	15.1 ± 0.4	0.265	48.8		\|$\checkmark$\|
				1.39	10.4	24.0 ± 0.4	0.340	123		\|$\checkmark$\|
				1.61	13.4	32.7 ± 1.3	0.410	29.3
3	274.4692	6.7773	1.3	0.96	102.7	132.9 ± 1.0	0.185	756	NVSS J181752+064638
				1.18	115.0	150.0 ± 1.5	0.201	484		\|$\checkmark$\|
				1.39	112.6	143.0 ± 1.3	0.167	384
				1.61	111.0	161.8 ± 3.0	0.206	235		\|$\checkmark$\|
4	275.1254	6.5720	1.5	0.96	7.7	9.2 ± 0.2	0.0992	21.6	NVSS J182029+063419
				1.18	9.0	12.0 ± 0.2	0.157	60.1
				1.39	9.4	13.0 ± 0.2	0.222	225		\|$\checkmark$\|
				1.61	10.1	13.2 ± 0.2	0.205	63.2		\|$\checkmark$\|

ID	RA	Dec.	Position error	Frequency	Avg flux density	Max flux density	V	η	Source ID	Variable?
	(deg)	(deg)	(arcsec)	(GHz)	(mJy)	(mJy)
Identified in Section 3.1
1	275.5770	7.0885	1.1	0.96		1.9 ± 0.2	0.535	1.866	PSR J1822+0705
				1.18		1.6 ± 0.2	0.467	1.013
				1.39		0.5 ± 0.1	0.428	0.602
				1.61		0.4 ± 0.1	0.952	0.538
2	275.0663	7.2485	2.5	0.96		0.4 ± 0.1	0.618	0.771	MKT J182015.5+071455
				1.18		0.3 ± 0.1	0.702	0.524
				1.39		0.2 ± 0.1	0.376	0.391
				1.61		0.2 ± 0.1	0.570	0.315
3	275.0060	7.4958	1.9	0.96		0.5 ± 0.2	0.443	0.558	MKT J182001.4+072945
				1.18		0.4 ± 0.1	0.507	0.412
				1.39		0.3 ± 0.1	0.297	0.345
				1.61		0.5 ± 0.2	0.779	0.625
Identified in Section 3.2
1	275.0913	7.1854	2.7	0.96	0.6	3.2 ± 0.1	1.56	69.4	MAXI J1820+070	\|$\checkmark$\|
				1.18	0.8	4.0 ± 0.1	1.43	131		\|$\checkmark$\|
				1.39	0.6	3.6 ± 0.1	1.66	325		\|$\checkmark$\|
				1.61	0.8	4.2 ± 0.1	1.45	168		\|$\checkmark$\|
2	274.7075	6.4790	1.4	0.96	7.4	10.2 ± 0.2	0.203	37.5	NVSS J181849+062843	\|$\checkmark$\|
				1.18	9.9	15.1 ± 0.4	0.265	48.8		\|$\checkmark$\|
				1.39	10.4	24.0 ± 0.4	0.340	123		\|$\checkmark$\|
				1.61	13.4	32.7 ± 1.3	0.410	29.3
3	274.4692	6.7773	1.3	0.96	102.7	132.9 ± 1.0	0.185	756	NVSS J181752+064638
				1.18	115.0	150.0 ± 1.5	0.201	484		\|$\checkmark$\|
				1.39	112.6	143.0 ± 1.3	0.167	384
				1.61	111.0	161.8 ± 3.0	0.206	235		\|$\checkmark$\|
4	275.1254	6.5720	1.5	0.96	7.7	9.2 ± 0.2	0.0992	21.6	NVSS J182029+063419
				1.18	9.0	12.0 ± 0.2	0.157	60.1
				1.39	9.4	13.0 ± 0.2	0.222	225		\|$\checkmark$\|
				1.61	10.1	13.2 ± 0.2	0.205	63.2		\|$\checkmark$\|

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