| signal to noise | S/N | 58 | 10 | 2.001459 | 0409271,0409586,etc |
| wolf rayet | WR | 256 | 10 | 2.00342 | 0409439,0409407,etc |
| space telescope imaging spectrograph | STIS | 135 | 9 | 2.001599 | 0409439,0409757,etc |
| intra cluster medium | ICM | 93 | 8 | 1.002164 | 0409581,0409707,etc |
| colour magnitude diagram | CMD | 59 | 8 | 2.000766 | 0409607,0409749,etc |
| inverse compton | IC | 73 | 7 | 2.002356 | 0409055,0409034,etc |
| monte carlo | MC | 180 | 7 | 2.003895 | 0409249,0409388,etc |
| markov chain monte carlo | MCMC | 30 | 6 | 1.000729 | 0409071,0409597,etc |
| low surface brightness | LSB | 191 | 6 | 2.003882 | 0409628,0409765,etc |
| proportional counter array | PCA | 41 | 6 | 2.000639 | 0409384,0409453,etc |
| astrophysical research consortium | ARC | 7 | 5 | 1.000294 | 0409616,0409074,etc |
| max planck institute for astronomy | MPIA | 5 | 5 | 1.000052 | 0409616,0409074,etc |
| square kilometre array | SKA | 247 | 5 | 2.002893 | 0409020,0409097,etc |
| vimos vlt deep survey | VVDS | 307 | 5 | 2.003072 | 0409134,0409135,etc |
| navarro frenk white | NFW | 143 | 4 | 2.001864 | 0409239,0409173,etc |
| radio luminosity function | RLF | 53 | 4 | 1.001567 | 0409097,0409180,etc |
| kolmogorov smirnov | K-S | 14 | 4 | 2.000195 | 0409001,0409037,etc |
| wide field camera | WFC | 12 | 4 | 2.000654 | 0409749,0409389,etc |
| advanced ccd imaging spectrometer | ACIS | 14 | 4 | 2.000319 | 0409225,0409760,etc |
| one dimensional | 1-D | 28 | 4 | 1.000328 | 0409573,0409765,etc |
| hardness ratio | HR | 29 | 4 | 2.000528 | 0409438,0409045,etc |
| particle in cell | PIC | 11 | 4 | 1.00052 | 0409702,0409303,etc |
| atacama large millimeter array | ALMA | 22 | 4 | 1.000543 | 0409430,0409054,etc |
| power density spectra | PDS | 79 | 4 | 2.006699 | 0409425,0409662,etc |
| power density spectrum | PDS | 17 | 3 | 2.000417 | 0409155,0409416,etc |
| lyon meudon extragalactic database | Leda | 11 | 3 | 1.000655 | 0409370,0409570,etc |
| faint object spectrograph | FOS | 7 | 3 | 1.000077 | 0409196,0409439,etc |
| temperature polarization | TE | 22 | 3 | 1.001881 | 0409052,0409419,etc |
| delayed detonation | DD | 5 | 3 | 1.00038 | 0409170,0409593,etc |
| maximum likelihood | ML | 20 | 3 | 2.000523 | 0409535,0409357,etc |
| advanced camera for surveys | ACS | 38 | 3 | 2.001194 | 0409600,0409568,etc |
| two dimensions | 2D | 46 | 3 | 2.000793 | 0409616,0409765,etc |
| compact steep spectrum | CSS | 14 | 3 | 1.000561 | 0409554,0409125,etc |
| innermost stable circular orbit | ISCO | 16 | 3 | 2.00054 | 0409331,0409154,etc |
| hi parkes all sky survey | HIPASS | 11 | 3 | 1.001046 | 0409570,0409329,etc |
| compact symmetric object | CSO | 8 | 3 | 1.000367 | 0409501,0409761,etc |
| gigahertz peaked spectrum | GPS | 23 | 3 | 1.001216 | 0409206,0409125,etc |
| hubble deep field north | HDF-N | 38 | 3 | 2.000651 | 0409197,0409434,etc |
| full width half maximum | FWHM | 6 | 3 | 1.000041 | 0409449,0409670,etc |
| three dimensional | 3D | 25 | 3 | 2.00062 | 0409404,0409598,etc |
| equations of state | EOS | 31 | 3 | 2.000991 | 0409404,0409456,etc |
| power law | PL | 25 | 3 | 2.001403 | 0409416,0409763,etc |
| korea science and engineering foundation | KOSEF | 4 | 3 | 1.00008 | 0409024,0409037,etc |
| science research center | SRC | 3 | 3 | 1.000045 | 0409024,0409247,etc |
| matter radiation decoupling | MRD | 9 | 3 | 1.000789 | 0409629,0409630,etc |
| synchrotron self compton | SSC | 12 | 3 | 1.000329 | 0409226,0409539,etc |
| burst and transient source experiment | BATSE | 89 | 3 | 2.007032 | 0409226,0409306,etc |
| compact hvc | CHVC | 70 | 3 | 2.007025 | 0409153,0409065,etc |
| star forming | SFR | 64 | 3 | 2.00071 | 0409736,0409632,etc |
| european photon imaging camera | EPIC | 22 | 3 | 1.000861 | 0409495,0409604,etc |
| reflection grating spectrometer | RGS | 10 | 3 | 1.000919 | 0409495,0409384,etc |
| high energy transmission grating spectrometer | HETGS | 6 | 3 | 1.000727 | 0409495,0409660,etc |
| ultraviolet and visual echelle spectrograph | UVES | 23 | 3 | 1.000313 | 0409014,0409216,etc |
| dwarf spheroidal | dSph | 82 | 3 | 2.002061 | 0409216,0409066,etc |
| color magnitude | CM | 26 | 3 | 2.000104 | 0409304,0409696,etc |
| proportional counter unit | PCU | 9 | 3 | 1.000054 | 0409685,0409056,etc |
| uv visual echelle spectrograph | UVES | 20 | 3 | 1.00099 | 0409717,0409398,etc |