| active galactic nucleus | AGN | 4003 | 129 | 1.005374 | 2001.00099,2001.00431,etc |
| spectral energy distribution | SED | 1133 | 119 | 2.002381 | 2001.00099,2001.00421,etc |
| interstellar medium | ISM | 650 | 87 | 2.001266 | 2001.00168,2001.00402,etc |
| cosmic microwave background | CMB | 1035 | 85 | 1.003566 | 2001.00409,2001.00584,etc |
| point spread function | PSF | 916 | 81 | 1.004183 | 2001.00125,2001.00563,etc |
| signal to noise ratio | SNR | 636 | 77 | 1.001691 | 2001.00125,2001.00563,etc |
| field of view | FoV | 373 | 58 | 1.001175 | 2001.00099,2001.00369,etc |
| sloan digital sky survey | SDSS | 505 | 57 | 2.001421 | 2001.00018,2001.01085,etc |
| star formation rate | SFR | 1196 | 56 | 2.00349 | 2001.00168,2001.00402,etc |
| markov chain monte carlo | MCMC | 226 | 55 | 1.000491 | 2001.00148,2001.00598,etc |
| gravitational wave | GW | 1715 | 53 | 2.004829 | 2001.00205,2001.00588,etc |
| ultraviolet | UV | 825 | 51 | 1.003358 | 2001.00168,2001.00194,etc |
| european space agency | ESA | 72 | 49 | 1.000202 | 2001.00125,2001.00591,etc |
| full width at half maximum | FWHM | 260 | 49 | 1.000637 | 2001.00289,2001.00431,etc |
| initial mass function | IMF | 246 | 49 | 1.00067 | 2001.00402,2001.00431,etc |
| dark matter | DM | 2571 | 48 | 2.00961 | 2001.00194,2001.00261,etc |
| supernova | SN | 2841 | 46 | 2.00865 | 2001.00598,2001.00827,etc |
| supermassive black hole | SMBH | 875 | 44 | 1.004025 | 2001.00099,2001.00601,etc |
| data processing and analysis consortium | DPAC | 82 | 42 | 1.000141 | 2001.00125,2001.00591,etc |
| neutron star | NS | 1212 | 41 | 2.006079 | 2001.00716,2001.00723,etc |
| infrared | IR | 1307 | 39 | 2.00395 | 2001.00168,2001.00261,etc |
| black hole | BH | 1697 | 39 | 2.007165 | 2001.00194,2001.00844,etc |
| equation of state | EoS | 605 | 38 | 2.004583 | 2001.01892,2001.03425,etc |
| european research council | ERC | 56 | 36 | 1.000132 | 2001.01409,2001.01731,etc |
| nasa/ipac extragalactic database | NED | 57 | 34 | 1.000212 | 2001.00168,2001.00844,etc |
| equivalent width | EW | 460 | 33 | 2.002941 | 2001.00099,2001.00590,etc |
| intergalactic medium | IGM | 350 | 33 | 2.00304 | 2001.01186,2001.01407,etc |
| white dwarf | WD | 1245 | 32 | 2.009085 | 2001.00049,2001.00598,etc |
| asymptotic giant branch | AGB | 204 | 32 | 2.001083 | 2001.00050,2001.00679,etc |
| near infrared | NIR | 222 | 31 | 1.000993 | 2001.00099,2001.00369,etc |
| general relativity | GR | 562 | 31 | 2.003147 | 2001.00945,2001.01710,etc |
| milky way | MW | 538 | 30 | 2.003255 | 2001.00931,2001.00953,etc |
| cold dark matter | CDM | 265 | 29 | 2.00268 | 2001.00261,2001.00318,etc |
| hubble space telescope | HST | 200 | 25 | 1.000812 | 2001.00125,2001.00261,etc |
| globular cluster | GC | 1576 | 25 | 2.008834 | 2001.00261,2001.00679,etc |
| very large telescope | VLT | 79 | 25 | 1.000234 | 2001.00369,2001.00590,etc |
| far infrared | FIR | 281 | 25 | 2.002412 | 2001.00402,2001.00844,etc |
| line of sight | LOS | 198 | 25 | 1.002613 | 2001.00508,2001.01250,etc |
| large area telescope | LAT | 258 | 25 | 1.001543 | 2001.00675,2001.00922,etc |
| red giant branch | RGB | 387 | 24 | 2.003118 | 2001.00679,2001.00931,etc |
| main sequence | MS | 434 | 23 | 2.003437 | 2001.00050,2001.00261,etc |
| gamma ray burst | GRB | 506 | 23 | 2.008207 | 2001.00205,2001.00648,etc |
| star formation history | SFH | 472 | 23 | 2.002646 | 2001.00402,2001.01716,etc |
| broad line region | BLR | 343 | 23 | 1.001567 | 2001.00421,2001.00675,etc |
| three dimensional | 3D | 171 | 23 | 1.001547 | 2001.01250,2001.01857,etc |
| very large array | VLA | 224 | 22 | 2.001267 | 2001.00168,2001.00827,etc |
| integral field unit | IFU | 186 | 22 | 2.000954 | 2001.00261,2001.00431,etc |
| large synoptic survey telescope | LSST | 260 | 22 | 1.002958 | 2001.00584,2001.00598,etc |
| kolmogorov smirnov | K-S | 99 | 22 | 1.000674 | 2001.00679,2001.01105,etc |
| large magellanic cloud | LMC | 795 | 22 | 2.006713 | 2001.01399,2001.01451,etc |
| local thermodynamic equilibrium | LTE | 204 | 21 | 1.001422 | 2001.00369,2001.00541,etc |
| radial velocity | RV | 779 | 21 | 2.007887 | 2001.01759,2001.02217,etc |
| region of interest | ROI | 80 | 20 | 2.000703 | 2001.00289,2001.00648,etc |
| color magnitude diagram | CMD | 273 | 20 | 2.001296 | 2001.00679,2001.01481,etc |
| supernova remnant | SNR | 566 | 20 | 1.004711 | 2001.00827,2001.01823,etc |
| deutsche forschungsgemeinschaft | DFG | 25 | 20 | 1.00008 | 2001.00860,2001.01203,etc |
| magnetohydrodynamic | MHD | 551 | 20 | 2.002886 | 2001.00868,2001.01250,etc |
| atacama large millimeter/submillimeter array | ALMA | 392 | 20 | 2.002413 | 2001.01484,2001.02185,etc |
| association of universities for research in astronomy | AURA | 25 | 19 | 1.000095 | 2001.00591,2001.02243,etc |
| smoothed particle hydrodynamics | SPH | 106 | 19 | 1.000887 | 2001.00951,2001.02283,etc |
| science and technology facilities council | STFC | 29 | 19 | 1.000123 | 2001.01092,2001.02217,etc |
| probability distribution function | PDF | 130 | 19 | 2.001406 | 2001.02666,2001.03833,etc |
| electromagnetic | EM | 186 | 18 | 1.001247 | 2001.00588,2001.01135,etc |
| probability density function | PDF | 292 | 18 | 1.005748 | 2001.00598,2001.00675,etc |
| bayesian information criterion | BIC | 67 | 18 | 1.001155 | 2001.00754,2001.00933,etc |
| signal to noise | S/N | 114 | 17 | 1.001182 | 2001.00099,2001.00590,etc |
| two dimensional | 2D | 75 | 17 | 1.000304 | 2001.00331,2001.00873,etc |
| inverse compton | IC | 243 | 17 | 1.00262 | 2001.00506,2001.01186,etc |
| large scale structure | LSS | 98 | 17 | 2.000837 | 2001.00584,2001.00590,etc |
| dark energy survey | DES | 683 | 17 | 2.008117 | 2001.00591,2001.01160,etc |
| standard model | SM | 318 | 17 | 2.001937 | 2001.02193,2001.02536,etc |
| mikulski archive for space telescopes | MAST | 30 | 16 | 1.000198 | 2001.00239,2001.00541,etc |
| navarro frenk white | NFW | 104 | 16 | 1.002302 | 2001.00261,2001.00318,etc |
| young stellar object | YSO | 236 | 16 | 2.001901 | 2001.01590,2001.02449,etc |
| fast radio burst | FRB | 618 | 16 | 2.008108 | 2001.02007,2001.02100,etc |
| polycyclic aromatic hydrocarbon | PAH | 247 | 15 | 2.00386 | 2001.00055,2001.00168,etc |
| brightest cluster galaxy | BCG | 188 | 15 | 1.006168 | 2001.00261,2001.00506,etc |
| core collapse supernova | CCSN | 190 | 15 | 1.003921 | 2001.00541,2001.01716,etc |
| national science foundation | NSF | 43 | 15 | 1.000272 | 2001.00541,2001.00899,etc |
| binary neutron star | BNS | 312 | 15 | 1.004424 | 2001.00566,2001.00950,etc |
| coronal mass ejection | CME | 506 | 15 | 1.007773 | 2001.00868,2001.01250,etc |
| adaptive optics | AO | 158 | 15 | 2.00296 | 2001.01203,2001.02700,etc |
| dispersion measure | DM | 326 | 15 | 2.004355 | 2001.01823,2001.02100,etc |
| wide field camera 3 | WFC3 | 66 | 14 | 2.000434 | 2001.00261,2001.00601,etc |
| position angle | PA | 115 | 14 | 2.000516 | 2001.00369,2001.00590,etc |
| local standard of rest | LSR | 41 | 14 | 1.000817 | 2001.00369,2001.00931,etc |
| cosmic ray | CR | 625 | 14 | 2.006739 | 2001.00768,2001.02240,etc |
| radio frequency interference | RFI | 258 | 14 | 1.007543 | 2001.00877,2001.00930,etc |
| full width half maximum | FWHM | 48 | 14 | 2.000345 | 2001.00953,2001.02717,etc |
| baryon acoustic oscillation | BAO | 154 | 14 | 2.004051 | 2001.03775,2001.04473,etc |
| principal component analysis | PCA | 56 | 13 | 1.001163 | 2001.00239,2001.00431,etc |
| specific star formation rate | sSFR | 144 | 13 | 2.002031 | 2001.00402,2001.00590,etc |
| big bang nucleosynthesis | BBN | 40 | 13 | 1.000318 | 2001.00409,2001.02193,etc |
| wolf rayet | WR | 570 | 13 | 1.008048 | 2001.00431,2001.01012,etc |
| flat spectrum radio quasar | FSRQ | 104 | 13 | 2.002811 | 2001.01105,2001.01956,etc |
| tidal disruption event | TDE | 420 | 13 | 2.008074 | 2001.01409,2001.02640,etc |
| atacama large millimeter array | ALMA | 108 | 13 | 1.001056 | 2001.01734,2001.01853,etc |
| luminosity function | LF | 372 | 13 | 2.004136 | 2001.03498,2001.04068,etc |
| very high energy | VHE | 189 | 12 | 2.003034 | 2001.00648,2001.02398,etc |
| x ray telescope | XRT | 88 | 12 | 1.000851 | 2001.00648,2001.02420,etc |
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