HST Spectrograph Class Explanations

00 Sun
01 Earth
02 Moon
03 Planet
04 Planetary satellite
05 Minor Planet
06 Comet
07 Interplanetary medium
08 Giant Red Spot
10 W C
11 W N
12 Main Sequence O
13 Supergiant O
                              Hot Star          *
                              Supergiant Star   *
14 OE
15 OF
16 SD O
17 WD O
19 UV-strong
20 B0-B2 V-IV
21 B3-B5 V-IV
22 B6-B9,5 V-IV
23 B0-B2 III-I
24 B3-B5 III-I
25 B6-B9.5 III-I
26 BE
27 Bp
28 SDB
29 WDB
30 A0-A3 V-IV
31 A4-A9 V-IV
32 A0-A3 III-I
33 A4-A9 III-I
34 AE
35 AM
36 AP
37 WDA
38 Horizontal Branch
39 Composite
40 F0-F2
41 F3-F9
42 FP
43 Late Type Degenerate Stars
44 G; G IV-VI
45 G I-II
46 K; K IV-VI
47 K I-III
48 M; M Dwarfs
49 M I-III
50 R, N or S types
51 Long Period Variable Stars
                               Mira Variable      *
                               RV Tauri           *
                               S Vulpeculae       *
                               WZ Sagittae        *
52 Irregular Variables
                               Dwarf Cepheid      *
                               Gamma Cassiopeiae  *
                               Mira Variable      *
                               R Coronae Borealis *
                               RV Tauri           *
                               RW Aurigae         *
53 Regular Variables
54 Dwarf Novae
55 Classical Novae
56 Supernovae
57 Symbiotic Stars
                               Z Andromedae       *
58 T Tauri
                               FU Orionis         *
                               ZZ Ceti            *

59 X-Ray
60 Shell Star
                               Gamma Cassiopeiae  *
                               S Doradus          *
                               Z Andromedae       *
61 Eta Carinae
62 Pulsar
                               HZ Herculis        *
63 Nova-like
64 Stellar Object not included above
65 Misidentified targets
66 Interacting binaries
                               X-ray binary       *
70 Planetary Nebular + Central Star
71 Planetary Nebular - Central Star
72 H II Region
73 Reflection Nebula
74 Dark Cloud (absorption spectrum)
75 Supernova Remnant
76 Ring Nebula (shock-ionised)
80 Spiral Galaxy
                               Milky Way Galaxy   *
81 Elliptical Galaxy
                               CD Galaxy          *
                               EP Galaxy          *
82 Irregular Galaxy
                               Magellanic Cloud   *
83 Globular Cluster
84 Seyfert Galaxy
85 Quasar
                               QSO                *
86 Radio Galaxy
                               EP Galaxy          *
                               Head Tail Galaxy   *
87 BL Lacertae object
88 Emission Line Galaxy (non-Seyfert)
                               Stellar Dynamics   *
                               Makarian Galaxy    *
90 Intergalactic Medium
                               Interstellar Medium*
                               Interstellar Dust  *
                               Interstellar Polar.*
                               Extinction         *
92
                               White Dwarf        *
                               Cool White Dwarf   *
93
                               Massive Star       *
94
                               Jet                *

96
                               Software           *
97
                               Calibration        *
                               Sky background     *
                               Target acquisition *
98 Wavelength Calibration
99 Nulls and Flat Fields