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Table IX. Physical Data for Selected Stars*.
Star
Spectral
Type
Visual
Mag.
Parallax
Absolute
vis. mag.
Effective
Temp.
Absolute
boi. mag.
Badius
(Sun = l)
Mass
(Sun = l)
Mean
density
Energy
radiated
(ergs per gm. )
Betelgeux
M0
0-92
0-017
-2-9
3,000
-4-6
290
[40]
ro -0000021
[300]
Alitares
MO
1*2
ro-026]
C-l-7]
3,000
[-3-4]
[160]
—
—
—
Arcturus
KO
0-2
0-080
-0-3
4,200
-0-8
30
—
—
—
Capella A
GO
0-8
0063
-0-2
5,650
-0-2
11
4-18
0-004
48
„ ^
FO
11
0063
01
7,400
o-i
5-5
3-32
0-028
41
B.D. 6° 1309 A
08
6-71
0-00035
-6-43
28,000
-9-31
—
75-6 +
—
11,000-
„ B
08
—
0-00035
—
28,000
—
—
63-3 +
—
—
H.D. 1337 A
0 8k
6-56
0-00032
-5-94
28,000
-8-82
23-8
36-3
0-004
15,000
„ B
V Puppis A
08k
7-67
0-00032
-4-83
28,000
-7-71
15-5
33-8
0013
,, 6,000
B\
—
—
—
22,000
-5-26
7-6
19-2
0-06
1,100
„ ^
Bl
—
—
—
22,000
-5-05
6-8
17-9
0-07
1,000
£ Aurigae A
AO
2-8
0034
0-6
11,200
0-2
2-80
2-38
0 13
57
Sirius A
AO
-1-6
0-377
1-3
11,200
0-9
1-58
2-45
0-93
29
„ ^
A 5
8-4
0-377
11-3
8,000
11-2
003
0-85
50,000
0-007
Procyon A
Fb
0-5
0-312
30
7,000
3-0
1-80
1-24
0-28
10
„
—
13-5
0-312
16-0
—
[15]
—
0-39
—
[0-0005]
Sun
GO
- 267?
206265
4-85
6,000
4-85
1-00
1-00
1-42
1-90
a Centauri A
GO
0-3
0-758
4-7
6,000
4-7
1-07
1-14
1 34
1-91
„ ^
Kb
1-7
0-758
61
4,400
5-7
1-22
0-97
0-76
0-90
oo Eridani A
Gb
4 5
0-203
6-0
5,600
5-9
0-70
0-9
3-7
0-8
„ 5
A 0
9-7
0-203
11-2
11,200
10-8
0-018
0-44
98,000
0-002
„
MG
10-8
0-203
12-3
2,800
10-3
—
0-20
—
0-07
Kruger 60 A
Mi
9-3
0-256
11-3
3,200
10-0
0-33
0-25
9-6
0-068
„ 60 B
M
10-8
0-256
12-8
3,200
11-5
017
0-20
60
0-021
Proxima Centauri
M
10-5
0-765
14-9
3,000
13-2
0-07
—
—
—
Van Maanen’s Star
F
12-3
0-255
14-3
7,000
14-3
0-009
—
——
—
Entries in square brackets are uncertain or partly conjectural.
Or
co
Physical Data
