| high resolution imager | HRI | 89 | 8 | 1.001445 | 9910361,9910188,etc |
| proportional counter array | PCA | 56 | 8 | 2.001253 | 9910107,9910188,etc |
| all sky monitor | ASM | 17 | 6 | 1.000436 | 9910184,9910341,etc |
| ministry for university and research | MURST | 5 | 5 | 1.000037 | 9910469,9910106,etc |
| kolmogorov smirnov | KS | 29 | 5 | 1.000573 | 9910500,9910431,etc |
| synchrotron self compton | SSC | 81 | 4 | 2.00221 | 9910536,9910416,etc |
| burst and transient source experiment | BATSE | 72 | 4 | 2.002013 | 9910204,9910273,etc |
| space telescope imaging spectrograph | STIS | 45 | 4 | 2.000414 | 9910547,9910419,etc |
| faint object spectrograph | FOS | 18 | 4 | 2.000195 | 9910547,9910118,etc |
| power density spectrum | PDS | 68 | 4 | 2.00363 | 9910423,9910012,etc |
| rosat all sky survey | RASS | 62 | 4 | 1.002084 | 9910300,9910514,etc |
| wide field camera | WFC | 48 | 4 | 2.001565 | 9910107,9910124,etc |
| eso imaging survey | EIS | 45 | 4 | 2.00426 | 9910447,9910055,etc |
| full width half maximum | FWHM | 15 | 4 | 1.000821 | 9910272,9910273,etc |
| vainu bappu telescope | VBT | 28 | 4 | 1.001144 | 9910507,9910506,etc |
| the red giant branch | TRGB | 65 | 4 | 2.001102 | 9910501,9910402,etc |
| press schechter | PS | 18 | 3 | 2.000423 | 9910166,9910033,etc |
| large area detector | LAD | 14 | 3 | 1.000316 | 9910204,9910484,etc |
| spectroscopy detector | SD | 28 | 3 | 1.001464 | 9910204,9910362,etc |
| ultraviolet imaging telescope | UIT | 18 | 3 | 2.000616 | 9910382,9910094,etc |
| signal to noise | S/N | 8 | 3 | 1.000263 | 9910095,9910211,etc |
| friedmann robertson walker | FRW | 6 | 3 | 1.000484 | 9910290,9910568,etc |
| black hole candidate | BHC | 4 | 3 | 1.00015 | 9910184,9910562,etc |
| high pressure gas scintillation proportional counter | HP-GSPC | 12 | 3 | 1.000391 | 9910107,9910188,etc |
| high energy x ray timing experiment | HEXTE | 3 | 3 | 1.000093 | 9910188,9910124,etc |
| three dimensional | 3-D | 22 | 3 | 2.000973 | 9910357,9910364,etc |
| two dimensional | 2-D | 21 | 3 | 2.000904 | 9910357,9910033,etc |
| imaging atmospheric cherenkov telescope | IACT | 39 | 3 | 2.000909 | 9910461,9910443,etc |
| standard cdm | SCDM | 8 | 3 | 1.000755 | 9910315,9910291,etc |
| tully fisher | TF | 51 | 3 | 2.002864 | 9910353,9910281,etc |
| low surface brightness | LSB | 9 | 3 | 1.000261 | 9910075,9910296,etc |
| low resolution imaging spectrograph | LRIS | 4 | 3 | 1.000129 | 9910001,9910090,etc |
| narrow field instruments | NFI | 21 | 3 | 1.001184 | 9910060,9910235,etc |