VLTI Calibrator Selector

Instrument

   Midi:    
N-Band



   Amber:   
J-Band
H-Band
K-Band

Target Definition

Target Coordinates:
  Right Ascension:    hr min sec  Declination:  deg min sec      Simbad Web App
  
  Single Disc:   Diameter:    mas

Observation Setup

Time:
  Observation Date:        Year: 
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
 Month: 
1
2
3
4
5
6
7
8
9
10
11
12
 Day: 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

  Observation Start (UT):  Hour:   
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 Min:   
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 Sec: 
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

  Timespan:                Hour:   
-
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 Min:   
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 Sec: 
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59





Baseline Configuration:  
U1
U2
 U3
 U4
 A0
 D0
 E0
 G0
 H0
 K0

 U1
 U2
U3
 U4
 G0
 G1
 H0
 K0
   * combination of UT and AT telescopes not allowed    



VLTI Station Positions
Click on the image icon for a detailed VLTI map.