| 1 | proportional counter array | PCA | 99 | 7 | 1.002667 | 0009435,0009375,etc |
| 2 | space telescope imaging spectrograph | STIS | 76 | 7 | 2.002595 | 0009208,0009403,etc |
| 3 | low surface brightness | LSB | 113 | 6 | 1.007532 | 0009018,0009370,etc |
| 4 | black hole candidate | BHC | 44 | 6 | 2.001331 | 0009434,0009354,etc |
| 5 | signal to noise | S/N | 26 | 6 | 2.000535 | 0009397,0009102,etc |
| 6 | hubble deep field south | HDFS | 27 | 4 | 2.000632 | 0009010,0009345,etc |
| 7 | rosat all sky survey | RASS | 47 | 4 | 1.002782 | 0009110,0009379,etc |
| 8 | monte carlo | MC | 20 | 4 | 2.000441 | 0009363,0009224,etc |
| 9 | inverse compton | IC | 113 | 4 | 2.002427 | 0009009,0009202,etc |
| 10 | high surface brightness | HSB | 21 | 3 | 1.003898 | 0009018,0009370,etc |
| 11 | truncated isothermal sphere | TIS | 42 | 3 | 1.002332 | 0009125,0009495,etc |
| 12 | long wavelength spectrometer | LWS | 29 | 3 | 2.001976 | 0009363,0009428,etc |
| 13 | greisen zatsepin kuzmin | GZK | 33 | 3 | 2.000317 | 0009466,0009416,etc |
| 14 | the red giant branch | TRGB | 25 | 3 | 2.002175 | 0009335,0009504,etc |
| 15 | synchrotron self compton | SSC | 26 | 3 | 1.003465 | 0009308,0009121,etc |
| 16 | false alarm probability | FAP | 12 | 3 | 1.000838 | 0009087,0009423,etc |
| 17 | all sky monitor | ASM | 24 | 3 | 2.003683 | 0009354,0009481,etc |
| 18 | three dimensional | 3D | 36 | 3 | 2.001904 | 0009088,0009412,etc |
| 19 | goddard high resolution spectrograph | GHRS | 20 | 3 | 2.001467 | 0009208,0009190,etc |
| 20 | sunyaev zel'dovich | SZ | 40 | 3 | 1.003147 | 0009114,0009067,etc |
| 21 | high resolution imager | HRI | 96 | 3 | 2.008804 | 0009379,0009238,etc |
| 22 | atacama large millimeter array | ALMA | 5 | 3 | 1.000037 | 0009151,0009428,etc |
| 23 | low energy concentrator spectrometer | LECS | 31 | 3 | 2.000897 | 0009231,0009013,etc |