| 1 | astrophysical research consortium | ARC | 20 | 14 | 1.00019 | 0312137,0312176,etc |
| 2 | max planck institute for astronomy | MPIA | 11 | 11 | 1.00022 | 0312064,0312137,etc |
| 3 | intra cluster medium | ICM | 139 | 9 | 2.002007 | 0312398,0312226,etc |
| 4 | low surface brightness | LSB | 43 | 9 | 1.000904 | 0312154,0312255,etc |
| 5 | kolmogorov smirnov | KS | 22 | 9 | 1.000372 | 0312313,0312214,etc |
| 6 | advanced camera for surveys | ACS | 49 | 7 | 1.002547 | 0312511,0312657,etc |
| 7 | wide field camera | WFC | 23 | 5 | 1.000807 | 0312292,0312511,etc |
| 8 | signal to noise | S/N | 56 | 5 | 2.001962 | 0312035,0312412,etc |
| 9 | inverse compton | IC | 53 | 5 | 2.001196 | 0312447,0312435,etc |
| 10 | european photon imaging camera | EPIC | 65 | 5 | 2.001812 | 0312377,0312541,etc |
| 11 | narrow line seyfert 1 galaxy | NLSy1 | 38 | 4 | 2.000711 | 0312207,0312298,etc |
| 12 | full width half maximum | FWHM | 22 | 4 | 2.000355 | 0312586,0312233,etc |
| 13 | japan society for the promotion of science | JSPS | 7 | 4 | 1.000327 | 0312040,0312541,etc |
| 14 | dwarf spheroidal | dSph | 54 | 4 | 2.00216 | 0312194,0312255,etc |
| 15 | two dimensional | 2D | 15 | 4 | 2.000695 | 0312201,0312507,etc |
| 16 | star formation history | SFH | 73 | 3 | 2.002804 | 0312100,0312127,etc |
| 17 | from the science and technology foundation | FCT | 3 | 3 | 1.00066 | 0312035,0312111,etc |
| 18 | non equilibrium ionization | NEI | 10 | 3 | 1.00044 | 0312328,0312637,etc |
| 19 | large area telescope | LAT | 58 | 3 | 2.005298 | 0312590,0312335,etc |
| 20 | orion nebula cluster | ONC | 23 | 3 | 1.000174 | 0312575,0312066,etc |
| 21 | full widths at half maximum | FWHM | 5 | 3 | 1.000059 | 0312095,0312142,etc |
| 22 | wolf rayet | WR | 33 | 3 | 2.002493 | 0312085,0312359,etc |
| 23 | ultra luminous infrared galaxy | ULIRG | 9 | 3 | 1.00003 | 0312172,0312282,etc |
| 24 | power density spectrum | PDS | 34 | 3 | 2.002437 | 0312581,0312211,etc |
| 25 | colour magnitude diagram | CMD | 43 | 3 | 1.001651 | 0312580,0312007,etc |
| 26 | double neutron star | DNS | 58 | 3 | 2.004234 | 0312152,0312101,etc |
| 27 | detached eclipsing binary | dEB | 36 | 3 | 2.000982 | 0312506,0312310,etc |
| 28 | innermost stable circular orbit | ISCO | 9 | 3 | 1.000726 | 0312033,0312449,etc |
| 29 | tully fisher | TF | 56 | 3 | 2.000933 | 0312352,0312209,etc |
| 30 | period luminosity | PL | 28 | 3 | 1.002285 | 0312310,0312237,etc |
| 31 | space telescope imaging spectrograph | STIS | 54 | 3 | 2.002606 | 0312111,0312283,etc |
| 32 | hubble deep field north | HDF-N | 23 | 3 | 1.000985 | 0312572,0312635,etc |
| 33 | synchrotron self compton | SSC | 50 | 3 | 2.005141 | 0312355,0312342,etc |
| 34 | rosat all sky survey | RASS | 4 | 3 | 1.000322 | 0312333,0312390,etc |
| 35 | high energy transmission grating spectrometer | HETGS | 38 | 3 | 2.000411 | 0312004,0312205,etc |
| 36 | advanced ccd imaging spectrometer | ACIS | 13 | 3 | 2.001023 | 0312004,0312637,etc |
| 37 | friends of friends | FOF | 273 | 3 | 1.012557 | 0312110,0312018,etc |
| 38 | friedmann robertson walker | FRW | 15 | 3 | 1.000641 | 0312614,0312162,etc |
| 39 | contact discontinuity | CD | 87 | 3 | 2.000891 | 0312362,0312530,etc |
| 40 | nasa extragalactic database | NED | 8 | 3 | 2.000305 | 0312599,0312317,etc |
| 41 | greisen zatsepin kuzmin | GZK | 16 | 3 | 1.000698 | 0312374,0312078,etc |
| 42 | 2 micron all sky survey | 2MASS | 14 | 3 | 2.000349 | 0312652,0312317,etc |