33 Doubles in Hydra Data 

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 March, 2002 to 30th April, 2002. Click here for a Road-Map of this observing project!
 
Name
Distance*
Mv1*
Mv2*
PA*
RA(J2000)
Dec(J2000)
Struve 1210
15.5" 
7.20 
9.50 
113º 
08h 15m 48s 
+02° 48' 05" 
40469
n/a
h 99
61.0"
6.73
9.20
 
08h 37m 50s
-06° 48' 25"
42333
n/a
Struve 1255
26.1"
7.25
8.42
31º
08h 39m 44s
+05° 45' 51"
42488
n/a
Struve 1260
5.0"
8.30
8.80
301º
08h 40m 48s
-12° 10' 38"
42574
39.92
Struve 1270
4.7"
6.80
7.60
264º
08h 45m 21s
-02° 36' 03"
42951
45.79
Epsilon Hydrae
2.87"
3.38
6.48
291º
08h 46m 46s
+06° 25' 08"
43109
94.34
Struve 1292
5.9"
10.00
10.20
188º
08h 53m 46s
-00° 34' 41"
Unavailable
n/a
Burnham 24
 1.2"
7.70 
8.80 
175º 
08h 54m 15s 
-08° 45' 39" 
 43723
 91.41
Struve 1295 (17)
4.2"
6.70
6.90
08h 55m 30s
-07° 58' 16"
43822
38.65
Burnham 210
 3.83"
 8.00
8.00 
182º 
08h 56m 50s 
-17° 26' 00" 
43920 
 40.13
Struve 1302
2.8"
9.80
9.90
236º
09h 01m 13s
+02° 44' 43"
Unavailable
57.28
Struve 1308
10.5"
8.60
9.60
84º
09h 04m 59s
-03° 59' 13"
Unavailable
n/a
Struve 1309
11.7"
8.50
8.80
273º
09h 06m 38s
+02° 49' 06"
44711
n/a
Burnham 336 
 1.9"
8.80 
9.60 
239º 
09h 11m 54s 
-16° 49' 35" 
 Unavailable
75.86
Wei 21
25.8"
7.40
8.60
14º
09h 14m 53s
-08° 45' 29s
45380
n/a
Ho 363
2.4"
7.50
9.50
182º
09h 15m 02s
-20° 07' 13"
45393
87.05
Struve 1329
13.1"
8.70
8.70
256º
09h 15m 43s
-01° 14' 30"
Unavailable
n/a
Struve 1343
9.3"
9.00
9.50
274º
09h 19m 58s
+04° 59' 59"
Unavailable
17.11
Sh 105 (27+27b)
231.8"
4.81
6.8
229º
09h 20m 29s
-09° 33' 20"
45811
n/a
Struve 1347
21.2"
7.31
8.32
311º
09h 23m 16s
+03° 30' 05"
46029
n/a
Struve 1348
2.0"
7.50
7.60
316º
09h 24m 29s
+06° 21' 00"
46134
65.45
Struve 1355
2.0"
7.50
7.50
349º
09h 27m 17s
+06° 13' 58
46367
62.86
Struve 1365
3.4"
7.40
8.40
158º
09h 31m 31s
+01° 27' 55"
46732
65.92
Struve 1367
5.5"
7.90
9.40
183º
09h 32m 12s
-10° 50' 37"
Unavailable
58.02
Burnham 217 
 2.0"
7.90 
7.90 
129º 
10h 06m 50s 
-24° 42' 56" 
49533 
 62.86
Struve 1416
11.4"
8.30
10.10
276º
10h 12m 17s
-16° 05' 11"
49984
n/a
h 4305
17.5"
7.50
9.80
216º
10h 20m 32s
-23° 38' 40"
50636
n/a
Struve 1473
30.7"-98.7"
7.72
8.94-10.20
10º-326º
10h 47m 36s
-15° 37' 36"
52792
n/a
Struve 1474 +
1474b
74.1"
6.50
6.90
25º
10h 47m 38s
-15° 15' 43"
52795
n/a
h 4412 
12.6"
8.30
9.10
266º
11h 09m 59s
-29° 36' 00"
Unavailable
n/a
h 4455
3.3"
5.90
7.90
243º
11h 36m 35s
-33° 34' 12"
56620
77.10
Beta Hydrae
0.7"
4.80
5.60
28º
11h 52m 54s
-33° 54' 29
57936
n/a
Dunlop 116
18.9" 
7.81 
7.90 
262º 
11h 56m 44s 
-32° 16' 03" 
 58241
 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.



(c) 1998-2002 The Spirit of 33