SERPENS
(Abbreviation: Ser)
A curious constellation inasmuch
as it is divided into two parts: Caput
(the Head) and Cauda (the Body). It evidently
represents the serpent with which Ophiuchus is struggling and has had the
worst of the encounter, since it has been pulled in half! Caput contains six stars above the fourth
magnitude, and Cauda three:
|
STAR |
R.A. |
DEC |
MAG. |
ABS.
MAG. |
SPEC |
DIST.PC |
||||
|
H |
M |
S |
o |
|
|
|||||
|
CAPUT |
||||||||||
|
13
d |
15 |
34 |
48.0 |
+10 |
32 |
21 |
3.80 |
1.7 |
F0 |
27 |
|
21
i |
15 |
41 |
33.0 |
+19 |
40 |
13 |
4.52 |
1.2 |
A1 |
36 |
|
24
a |
15 |
44 |
16.0 |
+06 |
25 |
32 |
2.65 |
-0.1 |
K2 |
26 UNUKALHAI |
|
28
b |
15 |
46 |
11.2 |
+15 |
25 |
18 |
3.67 |
0.6 |
A2 |
37 |
|
27
l |
15 |
46 |
26.5 |
+07 |
21 |
12 |
4.43 |
4.4 |
G0 |
11 |
|
35
k |
15 |
48 |
44.3 |
+18 |
08 |
29 |
4.09 |
-0.5 |
M1 |
78 |
|
32
m |
15 |
49 |
37.1 |
-03 |
25 |
49 |
3.54 |
0.6 |
A0 |
44 |
|
37
e |
15 |
50 |
48.9 |
+04 |
28 |
40 |
3.71 |
1.6 |
A2 |
33 |
|
41
g |
15 |
56 |
27.1 |
+15 |
39 |
42 |
3.85 |
3.7 |
F6 |
12 |
|
CAUDA |
||||||||||
|
53
n |
17 |
20 |
49.4 |
-12 |
50 |
48 |
4.33 |
1.2 |
A1 |
42 |
|
55
x |
17 |
37 |
35.0 |
-15 |
23 |
55 |
3.54 |
1.7 |
F0 |
23 |
|
56
o |
17 |
41 |
24.7 |
-12 |
52 |
31 |
4.26 |
1.4 |
A2 |
36 |
|
57
z |
18 |
00 |
28.7 |
-03 |
41 |
25 |
4.62 |
3.1 |
F3 |
22 |
|
58
h |
18 |
21 |
18.4 |
-02 |
53 |
56 |
3.26 |
1.7 |
K0 |
16 |
|
63
q |
18 |
56 |
13.0 |
+04 |
12 |
13 |
4.06 |
2.1 |
A5 |
COMBINED
MAG.3.4 ALYA |
|
18 |
56 |
14.5 |
+04 |
12 |
07 |
4.98 |
2.1 |
A5 |
||
|
STAR |
R.A. |
DEC |
MAGS. |
P.A. |
DIST. |
||||
|
H |
M |
S |
o |
|
|
||||
|
13
d |
15 |
34 |
48.0 |
+10 |
32 |
21 |
4.2, 5.2 |
179 |
WIDENING |
|
28
b |
15 |
46 |
11.2 |
+15 |
25 |
18 |
3.7, 9.0 |
265 |
LITTLE
CHANGE |
|
53
n |
17 |
20 |
49.4 |
-12 |
50 |
48 |
4.3, 8.5 |
028 |
P.A.
DECREASING |
|
63
q |
18 |
56 |
14 |
+04 |
12 |
10 |
4.06, 4.98 |
103 |
FIXED. WIDE, EASY |
|
STAR |
R.A. |
DEC |
RANGE |
PEROID,D |
SPEC |
TYPE |
||
|
H |
M |
o |
|
|||||
|
S |
15 |
19.3 |
+14 |
30 |
7.7 14.1 |
367 |
M |
MIRA |
|
R |
15 |
48.4 |
+15 |
17 |
5.7 14.4 |
357 |
M |
MIRA |
|
U |
16 |
04.9 |
+10 |
04 |
7.8 14.0 |
238 |
M |
NIRA |
|
OBJECT |
R.A. |
DEC |
TYPE |
NOTES |
||
|
H |
M |
o |
|
|||
|
NGC5904 M.5 |
15 |
16.0 |
+02 |
16 |
GLOBULAR |
MAG.
6.2 FINE GLOBULAR |
|
NGC5921 |
15 |
19.5 |
+05 |
15 |
GALAXY |
MAG.
12. TYPE SBb |
|
I 4593 |
16 |
09.5 |
+12 |
12 |
PLANETARY |
MAG.
10.2. CONCENTRATED |
|
H. 19 |
18 |
14.5 |
-13 |
18 |
OPEN
CLUSTER |
MAG.
12. CONCENTRATED |
|
NGC6611 M.16 |
18 |
16.0 |
-13 |
48 |
NEBULA
+ CLUSTER |
MAG.
7. EASY OBJECT |
|
I 4756 |
18 |
36.6 |
+05 |
26 |
OPEN
CLUSTER |
MAG.5.
RICH CLUSTER |