| 1 | advanced ccd imaging spectrometer | ACIS | 173 | 8 | 2.002287 | 0111455,0111266,etc |
| 2 | kolmogorov smirnov | K-S | 22 | 6 | 1.000355 | 0111038,0111248,etc |
| 3 | max planck institute for astronomy | MPIA | 6 | 6 | 1.00009 | 0111025,0111095,etc |
| 4 | astrophysical research consortium | ARC | 6 | 6 | 1.00009 | 0111025,0111095,etc |
| 5 | synchrotron self compton | SSC | 42 | 6 | 2.001261 | 0111340,0111454,etc |
| 6 | charge transfer inefficiency | CTI | 282 | 6 | 2.005139 | 0111037,0111363,etc |
| 7 | chandra x ray center | CXC | 14 | 5 | 1.000725 | 0111340,0111266,etc |
| 8 | proportional counter array | PCA | 31 | 5 | 2.000587 | 0111333,0111252,etc |
| 9 | all sky monitor | ASM | 42 | 5 | 2.001849 | 0111382,0111261,etc |
| 10 | blue compact dwarf | BCD | 100 | 4 | 1.001494 | 0111178,0111248,etc |
| 11 | low surface brightness | LSB | 10 | 4 | 1.000349 | 0111025,0111411,etc |
| 12 | space telescope imaging spectrograph | STIS | 26 | 4 | 1.000683 | 0111226,0111368,etc |
| 13 | colour magnitude diagram | CMD | 46 | 4 | 2.003141 | 0111355,0111311,etc |
| 14 | low luminosity agn | LLAGN | 25 | 4 | 1.000397 | 0111472,0111133,etc |
| 15 | reflection grating spectrometer | RGS | 9 | 4 | 1.000114 | 0111455,0111113,etc |
| 16 | signal to noise | S/N | 12 | 4 | 1.000223 | 0111167,0111050,etc |
| 17 | ultra luminous infrared galaxy | ULIG | 76 | 4 | 2.003694 | 0111527,0111144,etc |
| 18 | wide field camera | WFC | 40 | 4 | 2.002771 | 0111261,0111213,etc |
| 19 | inverse compton | IC | 22 | 4 | 1.000127 | 0111193,0111130,etc |
| 20 | medium energy grating | MEG | 18 | 3 | 2.000919 | 0111049,0111464,etc |
| 21 | high energy grating | HEG | 18 | 3 | 2.000919 | 0111049,0111464,etc |
| 22 | sunyaev zeldovich | SZ | 52 | 3 | 2.001418 | 0111203,0111294,etc |
| 23 | sunyaev zel'dovich | SZ | 72 | 3 | 1.003732 | 0111203,0111211,etc |
| 24 | equations of state | EOS | 19 | 3 | 1.005444 | 0111604,0111174,etc |
| 25 | dwarf elliptical | dE | 52 | 3 | 2.001746 | 0111388,0111359,etc |
| 26 | dwarf spheroidal | dSph | 21 | 3 | 2.002195 | 0111388,0111365,etc |
| 27 | european photon imaging camera | EPIC | 15 | 3 | 2.001125 | 0111455,0111357,etc |
| 28 | compact steep spectrum | CSS | 9 | 3 | 2.000786 | 0111559,0111133,etc |
| 29 | rosat all sky survey | RASS | 7 | 3 | 1.000227 | 0111377,0111309,etc |
| 30 | ministry for university and research | MURST | 3 | 3 | 1.000057 | 0111499,0111056,etc |
| 31 | monte carlo | MC | 14 | 3 | 1.000684 | 0111305,0111044,etc |
| 32 | the red giant branch | TRGB | 33 | 3 | 2.000845 | 0111248,0111083,etc |
| 33 | wolf rayet | WR | 344 | 3 | 1.010913 | 0111510,0111496,etc |
| 34 | solid state imaging spectrometer | SIS | 26 | 3 | 2.001162 | 0111017,0111282,etc |
| 35 | innermost stable circular orbit | ISCO | 22 | 3 | 1.001287 | 0111092,0111162,etc |
| 36 | planetary camera | PC | 33 | 3 | 2.000689 | 0111147,0111599,etc |
| 37 | foundation of fundamental research | FFR | 3 | 3 | 1.000121 | 0111536,0111325,etc |
| 38 | lyman alpha | LALA | 57 | 3 | 1.004335 | 0111513,0111346,etc |
| 39 | intermediate frequency | IF | 20 | 3 | 1.0005 | 0111276,0111492,etc |
| 40 | hubble deep field north | HDFN | 37 | 3 | 2.000653 | 0111412,0111393,etc |