URSA
MINOR
The north pole constellation. Mythologically it represents Arcas, son of Callisto (see Ursa Major). There are three stars above the fourth magnitude.
(Abbreviation:
UMi).
BRIGHTEST STARS
|
STAR |
R.A. |
DEC |
MAG |
ABS.MAG. |
SPEC |
DIST.PC |
||||
|
H |
M |
S |
o |
‘ |
“ |
|||||
|
2 |
01 |
01 |
31 |
+85 |
59 |
24 |
4.52 |
0.0 |
K0 |
77 |
|
1 a |
02 |
31 |
50.4 |
+89 |
15 |
51 |
1.99v |
-4.6 |
F8 |
208 POLARIS |
|
4 p² |
08 |
40 |
12.9 |
+64 |
19 |
40 |
4.60 |
-0.1 |
K2 |
87 |
|
5 |
14 |
27 |
31.4 |
+75 |
41 |
45 |
4.25 |
-0.3 |
K4 |
79 |
|
7 b |
14 |
50 |
42.2 |
+74 |
09 |
19 |
2.08 |
-0.3 |
K4 |
29 KOCAB |
|
13 g |
15 |
20 |
43.6 |
+71 |
50 |
02 |
3.05 |
-1.1 |
A3 |
69 PHERKAD MAJOR |
|
16 z |
15 |
44 |
03.3 |
+77 |
47 |
40 |
4.32 |
1.7 |
A3 |
33 ALIFA |
|
22 e |
16 |
45 |
57.8 |
+82 |
02 |
14 |
4.23 |
0.3 |
G5 |
61 |
|
23 d |
17 |
32 |
12.7 |
+86 |
35 |
11 |
4.36 |
1.2 |
A1 |
44 YILDUN |
|
STAR |
R.A. |
DEC |
MAGS. |
P.A. |
DIST.” |
||||
|
H |
M |
S |
o |
‘ |
“ |
||||
|
1 a |
02 |
31 |
50.4 |
+89 |
15 |
51 |
2.0, 9.0 |
217 |
18.3 P.A. INCREASING |
|
STAR |
R.A. |
DEC |
RANGE |
PERIOD, D. |
SPEC |
TYPE |
||
|
H |
M |
o |
‘ |
|||||
|
V |
13 |
37.8 |
+74 |
34 |
7.4 – 8.8 |
72 |
M |
SEMI-REGULAR |
|
U |
14 |
16.2 |
+67 |
01 |
7.4 – 12.7 |
327 |
M |
MIRA |
|
RR |
14 |
56.8 |
+66 |
08 |
4.6 – 5.0 |
±40 |
M |
SEMI-REGULAR |
|
S |
15 |
31.4 |
+78 |
48 |
7.8 – 12.7 |
327 |
M |
MIRA |
|
R |
16 |
30.6 |
+72 |
23 |
8.7 – 11.0 |
324 |
M |
MIRA |
Polaeis is
a variable with a very small range:
1.95 – 2.05, period 3.6998 days.
g Is also variable, with a range of no more
then 0.1 magnitude.
e Is an eclipsing binary with a range of 0m.04
and a period of 39.5 days.