| colour magnitude diagram | CMD | 79 | 8 | 2.001025 | 0206444,0206147,etc |
| low surface brightness | LSB | 114 | 7 | 1.001286 | 0206447,0206320,etc |
| max planck institute for astronomy | MPIA | 6 | 6 | 1.000034 | 0206293,0206276,etc |
| wide field planetary camera 2 | WFPC2 | 72 | 6 | 2.000953 | 0206165,0206200,etc |
| full width half maximum | FWHM | 42 | 6 | 1.000635 | 0206087,0206177,etc |
| kolmogorov smirnov | K-S | 24 | 6 | 1.000214 | 0206299,0206144,etc |
| astrophysical research consortium | ARC | 7 | 5 | 1.000085 | 0206293,0206276,etc |
| advanced ccd imaging spectrometer | ACIS | 43 | 5 | 1.001037 | 0206160,0206195,etc |
| intra cluster medium | ICM | 68 | 5 | 2.002536 | 0206466,0206430,etc |
| inverse compton | IC | 47 | 5 | 2.002715 | 0206430,0206509,etc |
| all sky monitor | ASM | 22 | 4 | 1.000748 | 0206493,0206253,etc |
| sunyaev zel'dovich | SZ | 142 | 4 | 1.00075 | 0206278,0206508,etc |
| burst and transient source experiment | BATSE | 21 | 4 | 2.000744 | 0206377,0206072,etc |
| two dimensional | 2D | 24 | 4 | 2.000312 | 0206309,0206410,etc |
| wolf rayet | WR | 36 | 4 | 2.000923 | 0206134,0206389,etc |
| hertzsprung russell | HR | 18 | 4 | 1.000353 | 0206252,0206001,etc |
| leiden/dwingeloo survey | LDS | 158 | 4 | 2.00218 | 0206198,0206333,etc |
| low energy transmission grating | LETG | 38 | 3 | 2.001074 | 0206429,0206121,etc |
| monte carlo | MC | 36 | 3 | 1.003044 | 0206414,0206073,etc |
| blue compact dwarf | BCD | 31 | 3 | 1.001457 | 0206058,0206447,etc |
| rosat all sky survey | RASS | 70 | 3 | 1.00376 | 0206227,0206291,etc |
| back illuminated | BI | 6 | 3 | 1.000023 | 0206160,0206417,etc |
| front illuminated | FI | 8 | 3 | 1.000119 | 0206160,0206417,etc |
| charge transfer efficiency | CTE | 4 | 3 | 1.000096 | 0206160,0206165,etc |
| high surface brightness | HSB | 34 | 3 | 1.000531 | 0206157,0206320,etc |
| smooth particle hydrodynamics | SPH | 12 | 3 | 2.000797 | 0206511,0206017,etc |
| hi parkes all sky survey | HIPASS | 189 | 3 | 2.004815 | 0206447,0206197,etc |
| european photon imaging camera | EPIC | 12 | 3 | 1.00049 | 0206187,0206418,etc |
| lithium fluoride | LiF | 12 | 3 | 2.000679 | 0206257,0206233,etc |
| silicon carbide | SiC | 13 | 3 | 2.000752 | 0206257,0206233,etc |
| color magnitude | CM | 47 | 3 | 1.003082 | 0206403,0206128,etc |
| tauri stars | TTS | 61 | 3 | 1.001361 | 0206069,0206329,etc |
| hardness ratio | HR | 27 | 3 | 2.000739 | 0206148,0206472,etc |