| signal to noise | S/N | 37 | 13 | 1.000341 | 0511730,0511461,etc |
| astrophysical research consortium | ARC | 14 | 13 | 1.000039 | 0511730,0511640,etc |
| max planck institute for astronomy | MPIA | 13 | 13 | 1.000039 | 0511730,0511640,etc |
| advanced camera for surveys | ACS | 203 | 13 | 1.001897 | 0511453,0511571,etc |
| kolmogorov smirnov | K-S | 48 | 11 | 2.000415 | 0511667,0511578,etc |
| inverse compton | IC | 78 | 9 | 2.00086 | 0511610,0511103,etc |
| star formation history | SFH | 39 | 8 | 1.000537 | 0511031,0511753,etc |
| full width half maximum | FWHM | 18 | 7 | 1.000333 | 0511516,0511571,etc |
| infrared spectrograph | IRS | 89 | 6 | 2.00332 | 0511640,0511092,etc |
| advanced ccd imaging spectrometer | ACIS | 72 | 5 | 1.001008 | 0511327,0511516,etc |
| low energy transmission grating | LETG | 25 | 5 | 1.001046 | 0511327,0511084,etc |
| hubble deep field north | HDFN | 16 | 5 | 1.000425 | 0511507,0511359,etc |
| particle physics and astronomy research council | PPARC | 8 | 5 | 1.000189 | 0511359,0511793,etc |
| infrared array camera | IRAC | 46 | 5 | 1.00035 | 0511117,0511336,etc |
| monte carlo | MC | 40 | 5 | 2.00032 | 0511802,0511048,etc |
| legacy archive for microwave background data analysis | LAMBDA | 11 | 5 | 1.000206 | 0511802,0511384,etc |
| submillimeter array | SMA | 26 | 5 | 2.000671 | 0511059,0511076,etc |
| charge transfer inefficiency | CTI | 8 | 5 | 1.000196 | 0511364,0511168,etc |
| wide field camera | WFC | 44 | 5 | 2.001191 | 0511004,0511045,etc |
| friedmann robertson walker | FRW | 11 | 5 | 1.000365 | 0511763,0511061,etc |
| integrated sachs wolfe | ISW | 78 | 5 | 2.004839 | 0511632,0511703,etc |
| colour magnitude diagram | CMD | 22 | 5 | 1.000457 | 0511794,0511560,etc |
| point source catalog | PSC | 110 | 4 | 2.003666 | 0511640,0511737,etc |
| markov chain monte carlo | MCMC | 26 | 4 | 2.000687 | 0511359,0511625,etc |
| ultra luminous infrared galaxy | ULIRG | 34 | 4 | 1.00162 | 0511315,0511282,etc |
| wolf rayet | WR | 84 | 4 | 2.008575 | 0511204,0511048,etc |
| magneto rotational instability | MRI | 23 | 4 | 2.002097 | 0511538,0511520,etc |
| synchrotron self compton | SSC | 9 | 4 | 1.000316 | 0511098,0511669,etc |
| dwarf spheroidal | dSph | 274 | 4 | 2.005645 | 0511004,0511087,etc |
| good time interval | GTI | 4 | 4 | 1.000031 | 0511168,0511457,etc |
| palomar green | PG | 99 | 4 | 2.002433 | 0511457,0511094,etc |
| space telescope imaging spectrograph | STIS | 56 | 4 | 1.001134 | 0511715,0511696,etc |
| burst alert telescope | BAT | 17 | 4 | 1.000985 | 0511604,0511577,etc |
| ev | eV | 70 | 3 | 2.001391 | 0511235,0511215,etc |
| distant red galaxy | DRG | 328 | 3 | 2.001404 | 0511289,0511598,etc |
| intra cluster medium | ICM | 24 | 3 | 2.001819 | 0511417,0511332,etc |
| optical transient | OT | 112 | 3 | 2.004717 | 0511272,0511421,etc |
| multiband imaging photometer for spitzer | MIPS | 11 | 3 | 1.001485 | 0511117,0511336,etc |
| proportional counter array | PCA | 68 | 3 | 1.001097 | 0511531,0511072,etc |
| isolated neutron star | INS | 106 | 3 | 2.001513 | 0511495,0511659,etc |
| wide field planetary camera 2 | WFPC2 | 5 | 3 | 1.000163 | 0511544,0511696,etc |
| galactic centre | GC | 40 | 3 | 1.002176 | 0511813,0511323,etc |
| three dimensional | 3D | 21 | 3 | 2.001629 | 0511527,0511447,etc |
| cosmic infrared background | CIB | 114 | 3 | 2.007451 | 0511691,0511286,etc |
| supernova acceleration probe | SNAP | 9 | 3 | 1.000412 | 0511017,0511763,etc |
| science analysis system | SAS | 6 | 3 | 1.000139 | 0511748,0511115,etc |
| rosat all sky survey | RASS | 13 | 3 | 1.000888 | 0511351,0511781,etc |
| magellanic cloud | MC | 31 | 3 | 2.001652 | 0511524,0511822,etc |
| wide field channel | WFC | 24 | 3 | 2.002202 | 0511453,0511251,etc |
| korea science and engineering foundation | KOSEF | 3 | 3 | 1.000199 | 0511065,0511063,etc |
| line of sight velocity distribution | LOSVD | 7 | 3 | 1.000034 | 0511307,0511081,etc |
| basic calibrated data | BCD | 10 | 3 | 1.000304 | 0511563,0511092,etc |
| super massive black hole | SMBH | 31 | 3 | 2.002118 | 0511830,0511221,etc |
| silicon carbide | SiC | 28 | 3 | 2.001232 | 0511347,0511475,etc |
| low surface brightness | LSB | 7 | 3 | 1.00021 | 0511727,0511009,etc |
| dwarf irregular | dIrr | 11 | 3 | 1.000196 | 0511118,0511251,etc |
| magnetohydrodynamical | MHD | 91 | 3 | 2.002873 | 0511217,0511382,etc |