Astronomical Applications Department, U.S. Naval Observatory Scifull Page 3
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POINTS Science
16:29 Wednesday, January 03, 1996
page 3 of 20
[8]
number of globulars with V(HB) < 20.0 and thus numerous stars with V < 18
[7]
containing a total of ~90 cluster subdwarfs
[6]
at minimum light
[5]
number of PN with central star brighter than m
V
= 18.0
[4]
approximate accuracy (
µ
as or
µ
as/yr) for useful science on various associated problems
[3]
approximate total number of objects available to POINTS
[2]
approximate number of objects required for significant scientific impact
[1]
corresponding to column 1 of Table 1
15
K
Satellites
2,914
K
Asteroids
Solar System
98
12.5-18
J
BL Lac Objects
1,959
12.2-18
M, J
Quasars
AGN
~55 kpc
>11
B, C
Magellanic Clouds
3
1-3
69-78 kpc
>17
C
Dwarf Spheroidals
1-10
125
[8]
~15
[7]
1.9-18.4 kpc
~10-15
D, E
Globular Clusters
< 5-100
1,155
48 pc-10 kpc
3-18
D, F
Open Clusters
10
~10
4-40
~3 kpc
9-18
I, J
Black Hole Candidates
1-3
13
5-25
0.7-10 kpc
13-18
I, J
LMXRBs
3
~5-25
15-18
I
Globular Cluster Binaries
158
1.7-17.7
G, I, J
WR Stars
3
>61
2-10
~3 kpc
10-15
I
Be Star Binaries
42
3.5-17.6
Symbiotic Stars
9
15.5-18
AM Her Stars
233
10.5-18
Dwarf Novae
10
10-17
UX UMa Stars
4
14.2-16.6
Cataclysmics
3
408
30-300
~80-250 pc
10-18
G, I
Nova-like Variables
133
11.3-18
G, H, I
Novae
Interacting Binaries
[6]
180
~30
1.3-12.6
M
Radio Stars
2-50
>3066
4.5-18
C
Carbon Stars
2-50
>106
20
1.6-25
13.2-16.0
C, H
Halo K Giants
247
[5]
6.8-18
B, H
Planetary Nebulae
>80,000
~1000
~0-14
L, H
F - K Stars
~10
664
~1-15 kpc
1.9-15.2
L, D, H
O Stars
<10
>878
<90
~10-300 pc
4.2-13.6
E
Subdwarfs
<10
6,047
20-90
7-13 kpc
7.7-14.0
B, D, H
RR Lyrae Variables
172
8.8-17.7
B, H
W Virginis
1-5
459
~30
0.4-20 kpc
2.1-17.3
B, H
Cepheid Variables
Field Stars
Required
Accuracy
[4]
N
TOT
[3]
N
S
[2]
Distance
Range
Magnitude
Range
Science
Class
[1]
Target
Category
Table 2
Science Target Categories
