The Struve Catalog: 33 more Doubles in Bootes

In this table you can see all the relevant data about the 33 doubles. Click on the name of a star in order to read the observations. Our time "window" for observing this set of doubles is from 1st May, 2005 to 30th June, 2005.

You can download the observing list in SkyTools format clicking here
Also, a Skymap file can be downloaded clicking here   

Name Distance* Mv1* Mv2* PA* RA (J2001) Dec (J2001)
DI
Struve 26
 		38.5-85.9
 		4.75
 		8.23-12.6
 		33-197
 		14h 16s 12m
 		+51º 22'
 		n/a
Struve 27
 		104.9
 3.47
 		7.84
 		78
 		15h 15s 30m
 		+33º 19'
 		n/a
Struve 28
 		108.4
 		4.31
 		6.5
 		171
 		15h 24s 30m
 		+37º 23'
 		n/a
Struve 1772
 		4.8
 		5.8
 		8.8
 		149
 		13h 40s 42m
 		+19º 57'
 		77.29
Struve 1773
 		28.7-71.3-57
 		10.2
 		10.5-10.7-10.7
 		209-80-102
 		13h 41s 36m
 		+07º 36'
 		n/a
Struve 1779
 		3.8
 		9.3
 		10.6
 		147
 		13h 44s 36m
 		+23º 40'
 		n/a
Struve 1782
 		29.8
 		7.95
 		10.03
 		186
 		13h 45s 06m
 		+18º 22' 00"
 		n/a
Struve 1791
 		21
 		9.3
 		10.1
 		159
 		13h 56s 48m
 		+14º 26'
 		n/a
Struve 1792
 		1.9
 		9.5
 		10.7
 		295
 		13h 57s 06m
 		+12º 27'
 		n/a
Struve 1794
 		2
 		9.4
 		9.6
 		130
 		13h 59s 48m
 		+19º 53'
 		67.28
Struve 1797
 		21.1
 		9.4
 		9.7
 		159
 		14h 02s 00m
 		+19º 26'
 		n/a
Struve 1804
 		4.4
 		8.6
 		9.6
 		19
 		14h 08s 18m
 		+21º 12'
 		54.05
Struve 1806
 		13.2
 		9.8
 		10.8
 		174
 		14h 08s 48m
 		+48º 30'
 		n/a
Struve 1808
 		2.8-48
 		8.4
 		9.8-11.9
 		69-119
 		14h 10s 06m
 		+26º 36'
 		79.04
Struve 1809
 		4.1
 		9
 		12.2
 		196
 		14h 08s 54m
 		+46º 08'
 		n/a
Struve 1810
 		1.8
 		8.8
 		9.4
 		174
 		14h 11s 36m
 		+28º 02'
 		73.86
Struve 1812
 		14.2-72.6
 		7.8
 		9.78-11.8
 		108-153
 		14h 12s 24m
 		+28º 43'
 		n/a
Struve 1814
 		11.2
 		9.3
 		9.8
 		257
 		14h 11s 00m
 		+50º 15'
 		n/a
Struve 1815
 		9
 		9.5
 		10.7
 		152
 		14h 12s 36m
 		+45º 12'
 		n/a
Struve 1816
 		1.9
 		7.5
 		7.7
 		80
 		14h 13s 54m
 		+29º 06'
 		67.73
Struve 1817
 		1.6
 		8.9
 		9.5
 		7
 		14h 14s 12m
 		+26º 42'
 		75.04
Struve 1818
 		5.5
 		9
 		10.5
 		328
 		14h 14s 18m
 		+33º 56'
 		n/a
Struve 1821
 		12.6
 		4.54
 		6.69
 		238
 		14h 13s 30m
 		+51º 47'
 		n/a
Struve 1823
 		3.4-63.4
 		9.22
 		9.75-12
 		156-231
 		14h 15s 48m
 		+10º 18'
 		54.80
Struve 1826
 		4.4-43.2
 		8.4
 		9.8-12.7
 		315-355
 		14h 15s 12m
 		+46º 58'
 		59.60
Struve 1828
 		2
 		10.1
 		10.1
 		160
 		14h 17s 00m
 		+24º 12'
 		n/a
Struve 1838
 		8.4
 		7.4
 		7.5
 		334
 		14h 24s 06m
 		+11º 15'
 		13.96
Struve 1839
 		14.5
 		9
 		9
 		81
 		14h 21s 30m
 		+53º 54'
 		n/a
Struve 1843
 		19.8
 		7.65
 		9.52
 		187
 		14h 24s 36m
 		+47º 50'
 		n/a
Struve 1848
 		3
 		8.5
 		11.5
 		3
 		14h 27s 48m
 		+32º 57'
 		n/a
Struve 1854
 		25.8
 		6.06
 		11.34
 		256
 		14h 29s 48m
 		+31º 47'
 		n/a
Struve 1855
 		15.4-16.1
 		9.2
 		10.1-13.5
 		249-65
 		14h 32s 24m
 		+31º 38'
 		n/a
Struve 1857
 		18.5
 		9.8
 		11.3
 		340
 		14h 34s 42m
 		+10º 10'
 		n/a

Notes:
For understanding DIs and how they are calculated, please read this article!
n/a: Not applicable: Difficulty Indexes are calculated only for those doubles that have separations between 1.0 and 10.0 seconds of arc and shine with a difference of magnitude between 0 and 5. For an explanation about how to interpret and use DIs, click on the DI link in the respective column above.


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