| signal to noise | S/N | 61 | 16 | 1.000373 | 0901.0282,0901.4114,etc |
| advanced camera for surveys | ACS | 199 | 14 | 2.002268 | 0901.1237,0901.2144,etc |
| max planck institute for astronomy | MPIA | 12 | 12 | 1.000049 | 0901.4545,0901.4464,etc |
| markov chain monte carlo | MCMC | 33 | 11 | 1.000426 | 0901.2672,0901.4346,etc |
| inverse compton | IC | 138 | 10 | 2.002269 | 0901.3582,0901.0744,etc |
| star formation history | SFH | 186 | 9 | 1.003491 | 0901.1237,0901.1090,etc |
| infrared spectrograph | IRS | 135 | 9 | 2.001707 | 0901.0558,0901.2308,etc |
| kolmogorov smirnov | KS | 49 | 9 | 1.001031 | 0901.1309,0901.1663,etc |
| three dimensional | 3D | 80 | 7 | 2.001939 | 0901.2578,0901.3185,etc |
| wolf rayet | W/O | 191 | 7 | 2.005402 | 0901.1699,0901.4553,etc |
| basic calibrated data | BCD | 21 | 7 | 1.000354 | 0901.2096,0901.0415,etc |
| calibration database | CALDB | 6 | 6 | 1.000019 | 0901.3802,0901.4718,etc |
| friedmann robertson walker | FRW | 26 | 6 | 1.000212 | 0901.0958,0901.1215,etc |
| intra cluster medium | ICM | 16 | 6 | 1.00049 | 0901.1941,0901.1665,etc |
| proportional counter array | PCA | 96 | 6 | 2.001774 | 0901.2268,0901.1225,etc |
| full width half maximum | FWHM | 43 | 6 | 2.000818 | 0901.2268,0901.4511,etc |
| infrared array camera | IRAC | 112 | 6 | 2.001743 | 0901.2308,0901.0909,etc |
| synchrotron self compton | SSC | 26 | 6 | 1.000355 | 0901.1225,0901.1284,etc |
| baryonic acoustic oscillations | BAO | 146 | 6 | 2.001573 | 0901.2327,0901.4550,etc |
| european photon imaging camera | EPIC | 74 | 6 | 1.002343 | 0901.4133,0901.3750,etc |
| innermost stable circular orbit | ISCO | 30 | 6 | 1.000487 | 0901.2858,0901.4936,etc |
| chandra interactive analysis of observations | CIAO | 13 | 5 | 1.00016 | 0901.3802,0901.3483,etc |
| astrophysical research consortium | ARC | 5 | 5 | 1.000103 | 0901.4545,0901.1318,etc |
| wide field channel | WFC | 22 | 5 | 1.000477 | 0901.1237,0901.0773,etc |
| all sky monitor | ASM | 61 | 5 | 1.002056 | 0901.3991,0901.1225,etc |
| monte carlo | MC | 14 | 5 | 2.000402 | 0901.0905,0901.1520,etc |
| good time interval | GTI | 10 | 5 | 1.000123 | 0901.0925,0901.2347,etc |
| colour magnitude diagram | CMD | 100 | 5 | 1.004438 | 0901.1309,0901.1090,etc |
| wide field planetary camera 2 | WFPC2 | 25 | 5 | 2.000161 | 0901.0198,0901.4162,etc |
| proportional counter unit | PCU | 35 | 5 | 2.000486 | 0901.2119,0901.1982,etc |
| inter galactic medium | IGM | 44 | 5 | 1.004796 | 0901.3359,0901.2380,etc |
| reflection grating spectrometer | RGS | 38 | 4 | 1.001991 | 0901.3802,0901.1973,etc |
| magnetohydrodynamical | MHD | 46 | 4 | 1.004011 | 0901.4776,0901.0116,etc |
| nasa extragalactic database | NED | 13 | 4 | 1.000097 | 0901.4545,0901.1764,etc |
| hard x ray detector | HXD | 93 | 4 | 2.005222 | 0901.1973,0901.3142,etc |
| kelvin helmholtz | KH | 23 | 4 | 2.001033 | 0901.2722,0901.4107,etc |
| integrated sachs wolfe | ISW | 17 | 4 | 2.000182 | 0901.2033,0901.0916,etc |
| position velocity | PV | 35 | 4 | 1.000768 | 0901.4179,0901.1656,etc |
| very high energy | VHE | 51 | 4 | 2.00224 | 0901.4258,0901.4561,etc |
| infra red | IR | 67 | 4 | 2.001561 | 0901.1225,0901.4553,etc |
| imaging atmospheric cherenkov telescope | IACT | 17 | 4 | 1.001063 | 0901.1225,0901.4561,etc |
| windowed timing | WT | 10 | 4 | 1.000163 | 0901.1225,0901.2219,etc |
| response matrix file | RMF | 4 | 4 | 1.000062 | 0901.4263,0901.3433,etc |
| optical monitor | OM | 25 | 4 | 2.000875 | 0901.4553,0901.0297,etc |
| photodissociation region | PDR | 40 | 4 | 2.001757 | 0901.4558,0901.4034,etc |
| ultra high energy | UHE | 109 | 4 | 2.005395 | 0901.2664,0901.3292,etc |
| burst alert telescope | BAT | 57 | 4 | 2.001175 | 0901.1663,0901.4920,etc |
| galactic centre | GC | 16 | 4 | 1.000857 | 0901.2829,0901.1660,etc |
| compact symmetric object | CSO | 50 | 4 | 2.006944 | 0901.3065,0901.1221,etc |
| warm neutral medium | WNM | 32 | 4 | 1.001023 | 0901.0968,0901.0914,etc |
| observatoire de haute provence | OHP | 9 | 4 | 1.00037 | 0901.0938,0901.0934,etc |
| legacy archive for microwave background data analysis | LAMBDA | 8 | 4 | 1.000256 | 0901.0716,0901.3354,etc |
| wide field camera | WFCAM | 38 | 4 | 2.00092 | 0901.4114,0901.0909,etc |
| dwarf spheroidal | dSph | 25 | 4 | 2.001234 | 0901.0715,0901.4339,etc |
| science analysis system | SAS | 6 | 4 | 1.000126 | 0901.3433,0901.1284,etc |
| semi analytic model | SAM | 49 | 4 | 2.000813 | 0901.4555,0901.1880,etc |
| science and technology facilities council | STFC | 4 | 4 | 1.000085 | 0901.4334,0901.0810,etc |
| monte carlo markov chain | MCMC | 74 | 4 | 2.000545 | 0901.1845,0901.0810,etc |
| line 12 | L12 | 3 | 3 | 1.000222 | 0901.0321,0901.0239,etc |
| sub giant branch | SGB | 66 | 3 | 2.006955 | 0901.1237,0901.4131,etc |
| maximum likelihood | ML | 53 | 3 | 2.00171 | 0901.3276,0901.3359,etc |
| ionization correction factor | ICF | 34 | 3 | 2.000341 | 0901.2273,0901.4311,etc |
| michelson doppler imager | MDI | 12 | 3 | 1.000527 | 0901.0035,0901.4939,etc |
| rosat all sky survey | RASS | 7 | 3 | 1.000045 | 0901.3269,0901.3566,etc |
| wide field infrared camera | WIRC | 3 | 3 | 1.000053 | 0901.2308,0901.1699,etc |
| massive cluster survey | MACS | 71 | 3 | 2.002017 | 0901.2144,0901.4783,etc |
| high frequency peaked bl lac | HBL | 15 | 3 | 1.00049 | 0901.1225,0901.1284,etc |
| broad emission line region | BLR | 12 | 3 | 1.000189 | 0901.3378,0901.0972,etc |
| fluorescence detector | FD | 49 | 3 | 2.002814 | 0901.3138,0901.3389,etc |
| gemini deep deep survey | GDDS | 7 | 3 | 1.000753 | 0901.2327,0901.1596,etc |
| hardness ratio | HR | 38 | 3 | 1.001068 | 0901.3483,0901.2936,etc |
| chandra x ray center | CXC | 4 | 3 | 1.000036 | 0901.3483,0901.1982,etc |
| out of transit | OOT | 5 | 3 | 1.000155 | 0901.0282,0901.4346,etc |
| subdwarf b | sdB | 19 | 3 | 2.00312 | 0901.1309,0901.4885,etc |
| space telescope imaging spectrograph | STIS | 39 | 3 | 2.000743 | 0901.4162,0901.3108,etc |
| two dimensional | 2D | 11 | 3 | 1.000142 | 0901.4162,0901.2858,etc |
| japan society for the promotion of science | JSPS | 4 | 3 | 1.000324 | 0901.0704,0901.3388,etc |
| narrow line seyfert 1 | NLS1 | 116 | 3 | 2.003942 | 0901.2858,0901.3566,etc |
| sunyaev zel'dovich | SZ | 5 | 3 | 1.00012 | 0901.0916,0901.0810,etc |
| ultra luminous infrared galaxy | ULIRG | 11 | 3 | 1.00082 | 0901.3388,0901.1656,etc |
| double degenerate | DD | 25 | 3 | 2.001913 | 0901.3496,0901.2325,etc |
| non equilibrium ionization | NEI | 21 | 3 | 2.00035 | 0901.3433,0901.3430,etc |
| compact steep spectrum | CSS | 29 | 3 | 2.000921 | 0901.1286,0901.1064,etc |
| deutsche forschungsgemeinschaft | DFG | 3 | 3 | 1.000085 | 0901.4495,0901.2277,etc |
| false alarm probability | FAP | 23 | 3 | 2.000691 | 0901.4394,0901.1296,etc |
| naval observatory merged astrometric dataset | NOMAD | 3 | 3 | 1.000109 | 0901.0297,0901.0149,etc |
| national natural science foundation | NNSF | 3 | 3 | 1.000025 | 0901.0962,0901.1165,etc |
| total variation diminishing | TVD | 5 | 3 | 1.000041 | 0901.4955,0901.4107,etc |
| imaging atmospheric telescope | IACT | 12 | 3 | 2.001025 | 0901.2153,0901.1885,etc |
| magneto rotational instability | MRI | 20 | 3 | 2.00095 | 0901.4739,0901.3564,etc |
| hot bottom burning | HBB | 20 | 3 | 2.000634 | 0901.4737,0901.0617,etc |
| mid ir | MIR | 9 | 3 | 1.000098 | 0901.1097,0901.0532,etc |
| rayleigh taylor | RT | 22 | 3 | 2.001487 | 0901.4107,0901.4254,etc |
| deflagration to detonation transition | DDT | 13 | 3 | 1.000423 | 0901.3008,0901.4254,etc |
| gravitationally confined detonation | GCD | 10 | 3 | 1.000257 | 0901.3008,0901.3013,etc |
| contact discontinuity | CD | 85 | 3 | 2.002797 | 0901.0862,0901.1039,etc |
| friedmann lema^{i}tre robertson walker | FLRW | 22 | 3 | 1.001457 | 0901.2724,0901.4566,etc |
| radio transient | RRAT | 5 | 3 | 1.000206 | 0901.3993,0901.2241,etc |
| magellan inamori kyocera echelle | MIKE | 4 | 3 | 1.000176 | 0901.0710,0901.3241,etc |