Editing Very Long Baseline Array (section)

==Baseline distance and angular resolution==
[[File:Radio Telescope at Mauna Kea.jpg|thumb|Radio telescope at [[Mauna Kea]]]]

Distance between each VLBA baseline (km):<ref>{{cite web|title=8 Angular Resolution & u-v Coverage|url=http://www.vlba.nrao.edu/astro/obstatus/2012-01-06/node24.html|first=Jon|last=Romney|date=2012-01-05|publisher=National Radio Astronomy Observatory}}</ref>

{| class="wikitable" border="1"
|+Distances between locations
|-
!scope="col" style="text-align:center;"|—
!scope="col" style="text-align:center;"|{{abbr|SC|St. Croix}}
!scope="col" style="text-align:center;"|{{abbr|HN|Hancock}}
!scope="col" style="text-align:center;"|{{abbr|NL|North Liberty}}
!scope="col" style="text-align:center;"|{{abbr|FD|Fort Davis}}
!scope="col" style="text-align:center;"|{{abbr|LA|Los Alamos}}
!scope="col" style="text-align:center;"|{{abbr|PT|Pie Town}}
!scope="col" style="text-align:center;"|{{abbr|KP|Kitt Peak}}
!scope="col" style="text-align:center;"|{{abbr|OV|Owens Valley}}
!scope="col" style="text-align:center;"|{{abbr|BR|Brewster}}
!scope="col" style="text-align:center;"|{{abbr|MK|Mauna Kea}}
!scope="col" style="text-align:center;"|{{abbr|EB|Effelsberg}}
!scope="col" style="text-align:center;"|{{abbr|AR|Arecibo}}
!scope="col" style="text-align:center;"|{{abbr|GB|Green Bank}}
!scope="col" style="text-align:center;"|{{abbr|Y27|Very Large Array}}
|-
!scope="row"|SC
|style="text-align:center;"|—
|2853
|3645
|4143
|4458
|4579
|4839
|5460
|5767
|8611
|6822
|238
|2708
|4532
|-
!scope="row"|HN
|2853
|style="text-align:center;"|—
|1611
|3105
|3006
|3226
|3623
|3885
|3657
|7502
|5602
|2748
|829
|3198
|-
!scope="row"|NL
|3645
|1611
|style="text-align:center;"|—
|1654
|1432
|1663
|2075
|2328
|2300
|6156
|6734
|3461
|1064
|1640
|-
!scope="row"|FD
|4143
|3105
|1654
|style="text-align:center;"|—
|608
|564
|744
|1508
|2345
|5134
|8084
|3922
|2354
|515
|-
!scope="row"|LA
|4458
|3006
|1432
|608
|style="text-align:center;"|—
|236
|652
|1088
|1757
|4970
|7831
|4246
|2344
|226
|-
!scope="row"|PT
|4579
|3226
|1663
|564
|236
|style="text-align:center;"|—
|417
|973
|1806
|4795
|8014
|4365
|2551
|52
|-
!scope="row"|KP
|4839
|3623
|2075
|744
|652
|417
|style="text-align:center;"|—
|845
|1913
|4466
|8321
|4623
|2939
|441
|-
!scope="row"|OV
|5460
|3885
|2328
|1508
|1088
|973
|845
|style="text-align:center;"|—
|1214
|4015
|8203
|5255
|3323
|1025
|-
!scope="row"|BR
|5767
|3657
|2300
|2345
|1757
|1806
|1913
|1214
|style="text-align:center;"|—
|4398
|7441
|5585
|3326
|1849
|-
!scope="row"|MK
|8611
|7502
|6156
|5134
|4970
|4795
|4466
|4015
|4398
|style="text-align:center;"|—
|10328
|8434
|7028
|4835
|-
!scope="row"|EB
|6822
|5602
|6734
|8084
|7831
|8014
|8321
|8203
|7441
|10328
|style="text-align:center;"|—
|6911
|6335
|8008
|-
!scope="row"|AR
|238
|2748
|3461
|3922
|4246
|4365
|4623
|5255
|5585
|8434
|6911
|style="text-align:center;"|—
|2545
|4317
|-
!scope="row"|GB
|2708
|829
|1064
|2354
|2344
|2551
|2939
|3323
|3326
|7028
|6335
|2545
|style="text-align:center;"|—
|2516
|-
!scope="row"|Y27
|4532
|3198
|1640
|515
|226
|52
|441
|1025
|1849
|4835
|8008
|4317
|2516
|style="text-align:center;"|—
|}

The longest baseline in the array is {{convert|8611|km|0}}.<ref name=saha2010/>

{| class="wikitable" border="1"
|+Minimum angular resolution
|-
!scope="col"|Wavelength (cm)
!scope="col"|90
!scope="col"|50
!scope="col"|21
!scope="col"|18
!scope="col"|13
!scope="col"|6
!scope="col"|4
!scope="col"|2
!scope="col"|1
!scope="col"|0.7
|-
!scope="row"|<math>\theta_{HPBW}</math> (milliarcseconds)
|22
|12
|5.0
|4.3
|3.2
|1.4
|0.85
|0.47
|0.32
|0.17
|}