CORONA BOREALIS
(Abbreviation: CrB).
A small but very distinctive constellation representing a crown given by Bacchus to Ariadne, the daughter of King Minos of Crete. There are three stars above magnitude 4; a is an eclipsing binary with a very small range.
BRIGHTEST STARS
|
STAR |
R.A. |
DEC |
MAG. |
ABS.MAG. |
SPEC |
DIST.PC |
||||
|
H |
M |
S |
o |
|
|
|||||
|
3 b |
15 |
27 |
49.7 |
+29 |
06 |
21 |
3.68 |
1.2 |
F0p |
18 NUSAKAN |
|
4 q |
15 |
32 |
55.7 |
+31 |
21 |
32 |
4.14 |
-1.1 |
B5 |
110\ |
|
5 a |
15 |
34 |
41.2 |
+26 |
42 |
53 |
2.23v |
0.6 |
A0 |
24 ALPHEKKA |
|
7 z² |
15 |
39 |
22.6 |
+36 |
38 |
09 |
4.7 |
-0.6 |
B7 |
130
WIDE BINARY WITH zΉ MAG. 6.0 |
|
8 g |
15 |
42 |
44.5 |
+26 |
17 |
44 |
3.84v |
-0.3 |
A0 |
64 |
|
10 d |
15 |
49 |
35.6 |
+26 |
04 |
06 |
4.63 |
1.8 |
G5 |
38 |
|
13 e |
15 |
57 |
35.2 |
+26 |
52 |
40 |
4.15 |
-0.2 |
K3 |
74 |
DOUBLES
|
STAR |
R.A. |
DEC |
MAGS. |
P.A. |
DIST. |
||||
|
H |
M |
S |
o |
|
|
||||
|
2 h |
15 |
23 |
12.2 |
+30 |
17 |
16 |
5.7,
6.0 |
BINARY,
PERIOD 42 YEARS. DISTANCE NEVER
GREATER THEN 1.1 |
|
|
7 z |
15 |
39 |
22.6 |
+36 |
38 |
09 |
5.0,
6.0 |
305 |
FINE
EASY PAIR |
|
17 s |
16 |
14 |
40.6 |
+33 |
51 |
30 |
5.7,
6.7 |
229 |
BINARY.
WIDENING |
VARIABLES
|
STAR |
R.A. |
DEC |
RANGE |
PERIOD,D |
SPEC |
TYPE |
||
|
H |
M |
o |
|
|||||
|
U |
15 |
16.1 |
+31 |
50 |
7.0 8.3 |
3.5 |
A |
ALGOL |
|
S |
15 |
19.4 |
+31 |
33 |
6.6 14.0 |
361 |
M |
MIRA |
|
R |
15 |
46.5 |
+28 |
19 |
5.8 15 |
- |
Gp |
PROTOTYPE
R CrB |
|
V |
15 |
47.7 |
+39 |
43 |
6.9 12.2 |
358 |
N |
MIRA |
|
T |
15 |
57.4 |
+26 |
04 |
2.0 10.8 |
- |
Q + M |
RECURRENT
NOVA |
|
W |
16 |
13.6 |
+37 |
54 |
7.8 14.3 |
238 |
M |
MIRA |
T Coronζ (the Blaze Star) showed outbursts in 1866 and 1946.