| active galactic nucleus | AGN | 4868 | 161 | 1.004632 | 2009.00060,2009.00125,etc |
| spectral energy distribution | SED | 2071 | 154 | 1.002 | 2009.00016,2009.00020,etc |
| signal to noise ratio | S/N | 1006 | 124 | 1.001123 | 2009.00622,2009.00677,etc |
| interstellar medium | ISM | 1345 | 114 | 2.001198 | 2009.00010,2009.00018,etc |
| cosmic microwave background | CMB | 1348 | 113 | 1.002412 | 2009.00004,2009.00006,etc |
| gravitational wave | GW | 3208 | 89 | 2.006828 | 2009.00030,2009.00031,etc |
| star formation rate | SFR | 2317 | 86 | 2.002958 | 2009.00020,2009.00024,etc |
| markov chain monte carlo | MCMC | 376 | 79 | 1.000749 | 2009.00031,2009.00529,etc |
| sloan digital sky survey | SDSS | 672 | 71 | 2.001487 | 2009.00193,2009.00642,etc |
| european space agency | ESA | 148 | 69 | 1.000396 | 2009.00642,2009.00645,etc |
| black hole | BH | 3436 | 66 | 1.008984 | 2009.00078,2009.00942,etc |
| point spread function | PSF | 741 | 63 | 1.003408 | 2009.00010,2009.00021,etc |
| initial mass function | IMF | 676 | 62 | 1.003207 | 2009.00020,2009.00037,etc |
| european research council | ERC | 98 | 61 | 1.001024 | 2009.00431,2009.00667,etc |
| supernova | SN | 3794 | 58 | 2.008498 | 2009.00151,2009.01157,etc |
| full width at half maximum | FWHM | 306 | 56 | 1.000714 | 2009.00407,2009.00933,etc |
| data processing and analysis consortium | DPAC | 105 | 54 | 1.000128 | 2009.00642,2009.00645,etc |
| field of view | FOV | 248 | 53 | 1.000573 | 2009.00078,2009.00686,etc |
| dark matter | DM | 2690 | 52 | 2.007538 | 2009.00021,2009.00613,etc |
| intergalactic medium | IGM | 586 | 51 | 1.001828 | 2009.00013,2009.00016,etc |
| equation of state | EOS | 1177 | 50 | 2.005174 | 2009.00942,2009.01268,etc |
| neutron star | NS | 2065 | 49 | 2.006623 | 2009.00004,2009.00078,etc |
| near infrared | NIR | 541 | 48 | 1.001705 | 2009.00018,2009.00547,etc |
| ultraviolet | UV | 1364 | 48 | 2.004696 | 2009.00630,2009.00861,etc |
| deutsche forschungsgemeinschaft | DFG | 74 | 45 | 1.000595 | 2009.00431,2009.00667,etc |
| radial velocity | RV | 1047 | 45 | 2.00444 | 2009.01841,2009.01945,etc |
| infrared | IR | 1322 | 41 | 1.003606 | 2009.00020,2009.01389,etc |
| gamma ray burst | GRB | 1412 | 40 | 2.006076 | 2009.00754,2009.01416,etc |
| supermassive black hole | SMBH | 679 | 39 | 1.003934 | 2009.00877,2009.01104,etc |
| hubble space telescope | HST | 413 | 37 | 1.002308 | 2009.00010,2009.00024,etc |
| magnetohydrodynamic | MHD | 419 | 37 | 2.002716 | 2009.00132,2009.01537,etc |
| very large telescope | VLT | 197 | 36 | 1.001497 | 2009.00024,2009.00807,etc |
| milky way | MW | 680 | 35 | 2.005598 | 2009.00529,2009.01844,etc |
| general relativity | GR | 497 | 35 | 1.002856 | 2009.01189,2009.01914,etc |
| line of sight | LOS | 354 | 34 | 1.002008 | 2009.00790,2009.01436,etc |
| equivalent width | EW | 658 | 34 | 2.00211 | 2009.00877,2009.01500,etc |
| cold dark matter | CDM | 344 | 33 | 1.003923 | 2009.00005,2009.00367,etc |
| standard model | SM | 701 | 32 | 2.002651 | 2009.00004,2009.00613,etc |
| very large array | VLA | 468 | 32 | 1.002037 | 2009.00547,2009.00579,etc |
| supernova remnant | SNR | 889 | 30 | 1.005038 | 2009.00007,2009.01157,etc |
| asymptotic giant branch | AGB | 276 | 30 | 1.001741 | 2009.00151,2009.00876,etc |
| signal to noise | S/N | 270 | 30 | 1.001396 | 2009.00529,2009.01104,etc |
| full width half maximum | FWHM | 139 | 30 | 1.000478 | 2009.00812,2009.00877,etc |
| star formation history | SFH | 313 | 29 | 1.001327 | 2009.00020,2009.00617,etc |
| white dwarf | WD | 1318 | 28 | 2.006007 | 2009.00677,2009.01825,etc |
| mikulski archive for space telescopes | MAST | 50 | 28 | 1.000271 | 2009.02330,2009.02332,etc |
| kolmogorov smirnov | KS | 146 | 27 | 1.000287 | 2009.00178,2009.02135,etc |
| integral field unit | IFU | 109 | 27 | 2.000305 | 2009.00547,2009.00962,etc |
| two dimensional | 2D | 154 | 27 | 1.000619 | 2009.00617,2009.02670,etc |
| probability density function | PDF | 189 | 27 | 2.000512 | 2009.03340,2009.03899,etc |
| cosmic ray | CR | 978 | 26 | 2.008375 | 2009.00884,2009.01844,etc |
| science and technology facilities council | STFC | 45 | 25 | 1.000192 | 2009.00016,2009.00674,etc |
| position angle | PA | 197 | 25 | 2.002009 | 2009.00617,2009.01214,etc |
| nasa/ipac extragalactic database | NED | 51 | 25 | 1.000187 | 2009.00630,2009.00676,etc |
| main sequence | MS | 389 | 25 | 1.001713 | 2009.01112,2009.01261,etc |
| canada france hawaii telescope | CFHT | 123 | 24 | 1.000446 | 2009.00010,2009.00529,etc |
| atacama large millimeter/submillimeter array | ALMA | 299 | 24 | 2.002291 | 2009.00383,2009.01251,etc |
| young stellar object | YSO | 394 | 24 | 1.002206 | 2009.00383,2009.00431,etc |
| red giant branch | RGB | 278 | 24 | 1.001381 | 2009.01080,2009.01844,etc |
| extreme ultraviolet | EUV | 403 | 23 | 1.002889 | 2009.00004,2009.00861,etc |
| big bang nucleosynthesis | BBN | 253 | 23 | 1.001429 | 2009.00004,2009.01189,etc |
| large scale structure | LSS | 180 | 23 | 1.002612 | 2009.00006,2009.00024,etc |
| james webb space telescope | JWST | 101 | 23 | 1.00141 | 2009.00009,2009.00547,etc |
| circumgalactic medium | CGM | 282 | 23 | 1.001547 | 2009.00013,2009.00020,etc |
| association of universities for research in astronomy | AURA | 24 | 22 | 1.000046 | 2009.00020,2009.00193,etc |
| principal component analysis | PCA | 140 | 22 | 1.000774 | 2009.00643,2009.02387,etc |
| binary neutron star | BNS | 436 | 22 | 2.00354 | 2009.01436,2009.03025,etc |
| far infrared | FIR | 370 | 21 | 2.001373 | 2009.00018,2009.00676,etc |
| three dimensional | 3D | 296 | 21 | 1.001693 | 2009.01157,2009.01251,etc |
| coronal mass ejection | CME | 438 | 20 | 2.004716 | 2009.00327,2009.00861,etc |
| dark energy survey | DES | 281 | 20 | 2.002393 | 2009.00807,2009.01189,etc |
| root mean square | RMS | 115 | 20 | 1.001209 | 2009.00812,2009.01104,etc |
| broad line region | BLR | 347 | 20 | 1.002518 | 2009.00877,2009.00879,etc |
| radio frequency interference | RFI | 127 | 20 | 1.001362 | 2009.01104,2009.01214,etc |
| intracluster medium | ICM | 194 | 20 | 1.001173 | 2009.01400,2009.02750,etc |
| astrophysik potsdam | AIP | 23 | 20 | 1.000104 | 2009.01935,2009.02135,etc |
| electromagnetic | EM | 283 | 20 | 2.003454 | 2009.02263,2009.03497,etc |
| probability distribution function | PDF | 322 | 19 | 2.003139 | 2009.00010,2009.00020,etc |
| mid infrared | MIR | 128 | 19 | 1.000653 | 2009.00018,2009.00676,etc |
| large magellanic cloud | LMC | 354 | 19 | 1.002866 | 2009.00018,2009.00383,etc |
| globular cluster | GC | 985 | 19 | 2.006117 | 2009.00178,2009.00625,etc |
| very long baseline interferometry | VLBI | 136 | 19 | 1.001205 | 2009.00639,2009.00780,etc |
| convolutional neural network | CNN | 567 | 19 | 2.004254 | 2009.00733,2009.01203,etc |
| fast radio burst | FRB | 1027 | 19 | 1.010592 | 2009.00754,2009.00790,etc |
| power spectral density | PSD | 182 | 19 | 1.001623 | 2009.00879,2009.03061,etc |
| zero age main sequence | ZAMS | 65 | 19 | 2.000749 | 2009.01238,2009.01472,etc |
| effective field theory | EFT | 409 | 19 | 1.003009 | 2009.03311,2009.07696,etc |
| magnetohydrodynamics | MHD | 168 | 18 | 1.00104 | 2009.00125,2009.00861,etc |
| giant molecular cloud | GMC | 296 | 18 | 1.005012 | 2009.00383,2009.01842,etc |
| local thermodynamic equilibrium | LTE | 331 | 18 | 2.004156 | 2009.00407,2009.02104,etc |
| quasi periodic oscillation | QPO | 665 | 18 | 2.005583 | 2009.00639,2009.00942,etc |
| national aeronautics and space administration | NASA | 49 | 17 | 1.00036 | 2009.00231,2009.01203,etc |
| smoothed particle hydrodynamics | SPH | 112 | 17 | 1.000744 | 2009.00562,2009.00616,etc |
| polycyclic aromatic hydrocarbon | PAH | 362 | 17 | 1.006455 | 2009.00676,2009.05154,etc |
| adaptive mesh refinement | AMR | 57 | 17 | 1.000367 | 2009.01268,2009.02284,etc |
| chinese academy of sciences | CAS | 42 | 17 | 1.000154 | 2009.01277,2009.01472,etc |
| primordial black hole | PBH | 920 | 17 | 2.008972 | 2009.01728,2009.01825,etc |
| binary black hole | BBH | 317 | 17 | 2.003171 | 2009.03025,2009.03854,etc |
| far ultraviolet | FUV | 296 | 17 | 1.002076 | 2009.03083,2009.05053,etc |
| monte carlo | MC | 77 | 16 | 2.000623 | 2009.00004,2009.00879,etc |
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