Single-epoch VLBI imaging study of bright active galactic nuclei at 2 GHz and 8 GHz

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Volume 544 (August 2012)

A&A, 544 (2012) A34

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Table 4

Observing log with non-VLBA telescope gains.

Date

2.3/8.6 GHz DPFU^a, [mK Jy^-1]

1998/10/01

85/125

78/70

70/41

140/128

24/69

23/45

43/39

1999/03/08

95/67

49/76

33/21

60/47

138/152

30/77

24/48

47/40

63/68

1999/05/10

119/74

36/38

60/43

131/143

31/72

23/34

43/36

66/79

1999/12/20

69/84

50/72

38/30

60/47

140/146

30/77

23/45

176/269

45/38

57/38

2000/05/22

88/74

36/24

67/39

27/45

128/118

34/73

223/271

46/37

71/80

2000/12/04

82/94

36/22

65/36

47/49

180/134

32/76

205/269

44/39

68/82

2001/04/09

95/80

43/26

63/35

68/51

120/132

32/69

214/242

47/38

68/81

2001/07/05

96/69

34/20

39/38

126/124

31/67

207/207

54/34

62/72

2001/10/29

36/15

39/41

54/40

119/114

154/163

60/35

65/72

2002/01/16

98/74

42/41

139/101

46/61

39/32

211/236

46/33

61/53

2002/03/06

87/81

41/44

132/116

–/127

36/36

204/203

45/34

61/71

2002/05/08

300/188

91/76

37/16

67/42

66/42

134/113

43/34

66/78

2002/07/24

63/67

71/42

51/44

–/118

61/66

28/35

5/8

53/34

62/69

2002/09/25

98/71

72/42

60/52

129/83

24/42

5/8

309/122

56/34

71/70

2002/12/11

98/66

59/40

32/41

148/133

62/67

31/30

4/6

53/34

65/69

2003/03/12

53/38

20/45

140/114

28/34

5/8

227/335

77/33

62/72

2003/05/07

53/44

29/45

129/126

30/30

4/8

261/212

61/36

64/81

2003/06/18

57/42

–/47

31/39

6/9

220/183

66/31

−/78

2003/09/17

86/74

61/46

26/54

20/36

175/171

27/37

75/95

Notes. VLBA antennas participated in all sessions.

^(a)

Efficiency (degrees per flux unit) of a radio telescope in right circular polarization in zenith direction. In all cases, the gain curve is assumed to be flat.

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