| signal to noise | S/N | 33 | 12 | 1.000508 | 0310441,0310388,etc |
| intra cluster medium | ICM | 176 | 10 | 1.002016 | 0310196,0310448,etc |
| low surface brightness | LSB | 126 | 10 | 2.001496 | 0310547,0310376,etc |
| astrophysical research consortium | ARC | 12 | 10 | 1.000105 | 0310453,0310267,etc |
| max planck institute for astronomy | MPIA | 12 | 10 | 1.000223 | 0310453,0310267,etc |
| wolf rayet | WR | 124 | 9 | 2.007488 | 0310310,0310518,etc |
| space telescope imaging spectrograph | STIS | 126 | 9 | 2.001149 | 0310372,0310769,etc |
| kolmogorov smirnov | K-S | 35 | 8 | 2.001772 | 0310496,0310431,etc |
| proportional counter array | PCA | 106 | 7 | 2.001355 | 0310852,0310726,etc |
| star formation history | SFH | 133 | 7 | 2.00282 | 0310768,0310388,etc |
| early data release | EDR | 27 | 6 | 1.000408 | 0310371,0310249,etc |
| rosat all sky survey | RASS | 21 | 6 | 1.001082 | 0310371,0310834,etc |
| period luminosity | P/L | 51 | 6 | 1.001307 | 0310540,0310159,etc |
| faint object spectrograph | FOS | 37 | 5 | 1.001958 | 0310437,0310165,etc |
| internal linear combination | ILC | 88 | 5 | 2.007661 | 0310252,0310601,etc |
| inverse compton | IC | 117 | 5 | 2.002088 | 0310157,0310696,etc |
| nasa extragalactic database | NED | 8 | 5 | 1.000218 | 0310384,0310916,etc |
| circumstellar medium | CSM | 36 | 5 | 1.001618 | 0310113,0310518,etc |
| dwarf spheroidal | dSph | 125 | 5 | 2.002192 | 0310477,0310205,etc |
| goddard high resolution spectrograph | GHRS | 25 | 5 | 2.000599 | 0310669,0310627,etc |
| synchrotron self compton | SSC | 46 | 5 | 2.000622 | 0310158,0310391,etc |
| wide field camera | WFC | 22 | 5 | 2.000549 | 0310527,0310006,etc |
| proportional counter unit | PCU | 25 | 4 | 1.000948 | 0310852,0310158,etc |
| galactic globular cluster | GGC | 40 | 4 | 2.000945 | 0310281,0310545,etc |
| charge transfer inefficiency | CTI | 9 | 4 | 1.000223 | 0310687,0310713,etc |
| integrated sachs wolfe | ISW | 40 | 4 | 1.004509 | 0310450,0310198,etc |
| wide field and planetary camera 2 | WFPC2 | 25 | 4 | 2.000432 | 0310669,0310277,etc |
| one dimensional | 1D | 26 | 4 | 1.002874 | 0310176,0310741,etc |
| all sky monitor | ASM | 23 | 4 | 2.000514 | 0310144,0310158,etc |
| two dimensional | 2D | 22 | 4 | 2.000528 | 0310103,0310001,etc |
| colour magnitude diagram | CMD | 51 | 4 | 2.001061 | 0310349,0310646,etc |
| giant meterwave radio telescope | GMRT | 28 | 4 | 2.002517 | 0310204,0310285,etc |
| greisen zatsepin kuzmin | GZK | 39 | 4 | 1.000496 | 0310902,0310911,etc |
| friedmann robertson walker | FRW | 12 | 4 | 2.000903 | 0310822,0310824,etc |
| photodissociation region | PDR | 106 | 4 | 2.002199 | 0310627,0310166,etc |
| submillimeter common user bolometer array | SCUBA | 53 | 4 | 2.001991 | 0310266,0310813,etc |
| cataclysmic variable star | CV | 51 | 4 | 2.003441 | 0310682,0310504,etc |
| advanced camera for surveys | ACS | 15 | 4 | 1.000979 | 0310646,0310888,etc |
| burst and transient source experiment | BATSE | 11 | 3 | 1.000275 | 0310852,0310414,etc |
| phase dispersion minimization | PDM | 7 | 3 | 1.000287 | 0310281,0310083,etc |
| 2 micron all sky survey | 2MASS | 5 | 3 | 1.000407 | 0310912,0310313,etc |
| legacy archive for microwave background data analysis | LAMBDA | 11 | 3 | 2.000405 | 0310252,0310186,etc |
| equations of state | EOSs | 32 | 3 | 2.001465 | 0310917,0310481,etc |
| scientific discovery through advanced computing | SciDAC | 3 | 3 | 1.000086 | 0310891,0310517,etc |
| science analysis system | SAS | 8 | 3 | 1.000236 | 0310687,0310600,etc |
| sunyaev zeldovich | SZ | 47 | 3 | 2.002354 | 0310149,0310450,etc |
| reflection grating spectrometer | RGS | 16 | 3 | 1.001729 | 0310594,0310008,etc |
| monte carlo | MC | 22 | 3 | 2.001187 | 0310450,0310810,etc |
| dwarf elliptical | dE | 62 | 3 | 1.004595 | 0310448,0310779,etc |
| integral field spectroscopy | IFS | 12 | 3 | 1.001335 | 0310293,0310604,etc |
| hubble deep field north | HDF-N | 13 | 3 | 1.000545 | 0310804,0310387,etc |
| warm ionized medium | WIM | 24 | 3 | 1.003145 | 0310330,0310627,etc |
| low mass x ray binaries | LMXB | 9 | 3 | 1.000156 | 0310119,0310078,etc |
| supernova acceleration probe | SNAP | 7 | 3 | 1.00048 | 0310908,0310843,etc |
| large velocity gradient | LVG | 17 | 3 | 2.001862 | 0310738,0310086,etc |
| short wavelength spectrometer | SWS | 8 | 3 | 1.00023 | 0310630,0310262,etc |
| advanced ccd imaging spectrometer | ACIS | 24 | 3 | 1.002239 | 0310713,0310696,etc |
| isolated neutron star | INS | 72 | 3 | 2.005033 | 0310739,0310177,etc |
| narrow line seyfert 1 | NLS1 | 62 | 3 | 1.006283 | 0310623,0310027,etc |
| sunyaev zel'dovich | SZ | 133 | 3 | 2.006001 | 0310465,0310613,etc |
| high surface brightness | HSB | 15 | 3 | 2.000198 | 0310219,0310440,etc |
| maximum likelihood | ML | 25 | 3 | 1.000691 | 0310038,0310080,etc |
| north east | NE | 15 | 3 | 1.00198 | 0310146,0310744,etc |
| particle physics and astronomy research council | PPARC | 5 | 3 | 1.000077 | 0310254,0310701,etc |
| proto neutron star | PNS | 18 | 3 | 2.000848 | 0310883,0310763,etc |
| ultracompact | UC | 46 | 3 | 2.001563 | 0310774,0310283,etc |
| x ray luminosity function | XLF | 46 | 3 | 1.005172 | 0310794,0310200,etc |