| 1 | active galactic nucleus | AGN | 4343 | 120 | 2.005975 | 1904.13267,1904.12998,etc |
| 2 | spectral energy distribution | SED | 1069 | 103 | 1.001567 | 1904.13267,1904.06221,etc |
| 3 | cosmic microwave background | CMB | 1561 | 89 | 1.003264 | 1904.07810,1904.01174,etc |
| 4 | interstellar medium | ISM | 805 | 85 | 1.001784 | 1904.11185,1904.13267,etc |
| 5 | signal to noise ratio | S/N | 755 | 83 | 2.001356 | 1904.02292,1904.02261,etc |
| 6 | point spread function | PSF | 553 | 80 | 1.000917 | 1904.01599,1904.03714,etc |
| 7 | markov chain monte carlo | MCMC | 349 | 73 | 1.000781 | 1904.02292,1904.00139,etc |
| 8 | dark matter | DM | 2776 | 65 | 2.00809 | 1904.07868,1904.12783,etc |
| 9 | black hole | BH | 2291 | 64 | 2.00893 | 1904.00139,1904.09753,etc |
| 10 | star formation rate | SFR | 1069 | 60 | 1.00298 | 1904.02292,1904.13267,etc |
| 11 | european space agency | ESA | 97 | 59 | 1.00012 | 1904.10872,1904.08815,etc |
| 12 | neutron star | NS | 1875 | 59 | 2.005404 | 1904.05770,1904.08088,etc |
| 13 | sloan digital sky survey | SDSS | 1330 | 58 | 2.003021 | 1904.03430,1904.12998,etc |
| 14 | data processing and analysis consortium | DPAC | 109 | 56 | 1.000145 | 1904.02159,1904.10872,etc |
| 15 | gravitational wave | GW | 1491 | 54 | 2.005795 | 1904.03020,1904.09295,etc |
| 16 | initial mass function | IMF | 648 | 53 | 2.003345 | 1904.11185,1904.02126,etc |
| 17 | full width at half maximum | FWHM | 250 | 49 | 2.000816 | 1904.02292,1904.06374,etc |
| 18 | supernova | SN | 3044 | 49 | 2.010209 | 1904.11185,1904.10549,etc |
| 19 | equation of state | EOS | 969 | 49 | 2.004488 | 1904.04220,1904.08907,etc |
| 20 | gamma ray burst | GRB | 1513 | 47 | 2.006452 | 1904.02292,1904.08526,etc |
| 21 | field of view | FOV | 242 | 44 | 2.000547 | 1904.05447,1904.10095,etc |
| 22 | ultraviolet | UV | 767 | 42 | 2.002982 | 1904.11063,1904.07868,etc |
| 23 | supermassive black hole | SMBH | 700 | 41 | 2.003186 | 1904.07278,1904.08946,etc |
| 24 | general relativity | GR | 585 | 41 | 1.002563 | 1904.02463,1904.01174,etc |
| 25 | near infrared | near-IR | 460 | 39 | 1.002079 | 1904.10872,1904.08946,etc |
| 26 | european research council | ERC | 53 | 36 | 1.000209 | 1904.12925,1904.03714,etc |
| 27 | milky way | MW | 761 | 35 | 1.003832 | 1904.12700,1904.08815,etc |
| 28 | supernova remnant | SNR | 883 | 34 | 2.00482 | 1904.06218,1904.08088,etc |
| 29 | infrared | IR | 1288 | 33 | 1.007011 | 1904.13267,1904.06308,etc |
| 30 | line of sight | LOS | 308 | 32 | 2.001168 | 1904.08526,1904.03714,etc |
| 31 | intergalactic medium | IGM | 342 | 31 | 1.002291 | 1904.10363,1904.10459,etc |
| 32 | asymptotic giant branch | AGB | 466 | 30 | 1.00296 | 1904.06374,1904.11185,etc |
| 33 | standard model | SM | 637 | 30 | 1.003084 | 1904.07810,1904.03020,etc |
| 34 | red giant branch | RGB | 642 | 30 | 2.005859 | 1904.01599,1904.01084,etc |
| 35 | hubble space telescope | HST | 233 | 30 | 2.000871 | 1904.08946,1904.10857,etc |
| 36 | coronal mass ejection | CME | 1836 | 28 | 1.011103 | 1904.05447,1904.00140,etc |
| 37 | magnetohydrodynamic | MHD | 300 | 28 | 2.001589 | 1904.12518,1904.08899,etc |
| 38 | white dwarf | WD | 712 | 28 | 2.005271 | 1904.05539,1904.04731,etc |
| 39 | cosmic ray | CR | 1132 | 27 | 1.004704 | 1904.03958,1904.02720,etc |
| 40 | two dimensional | 2D | 216 | 27 | 2.002319 | 1904.11623,1904.08877,etc |
| 41 | nasa/ipac extragalactic database | NED | 56 | 27 | 1.000152 | 1904.13217,1904.03095,etc |
| 42 | very large array | VLA | 242 | 26 | 1.00108 | 1904.02292,1904.10511,etc |
| 43 | atacama large millimeter/submillimeter array | ALMA | 364 | 26 | 2.001808 | 1904.02292,1904.06374,etc |
| 44 | globular cluster | GC | 2192 | 26 | 2.00847 | 1904.10872,1904.02261,etc |
| 45 | equivalent width | EW | 274 | 26 | 2.001378 | 1904.00094,1904.01955,etc |
| 46 | star formation history | SFH | 263 | 26 | 1.001419 | 1904.01260,1904.02172,etc |
| 47 | main sequence | MS | 593 | 25 | 2.006795 | 1904.02292,1904.03591,etc |
| 48 | color magnitude diagram | CMD | 367 | 25 | 1.00226 | 1904.10872,1904.01599,etc |
| 49 | three dimensional | 3D | 466 | 25 | 2.002669 | 1904.06308,1904.02169,etc |
| 50 | large synoptic survey telescope | LSST | 230 | 24 | 1.003665 | 1904.01174,1904.05897,etc |
| 51 | large magellanic cloud | LMC | 334 | 24 | 1.002605 | 1904.06218,1904.04836,etc |
| 52 | very large telescope | VLT | 74 | 24 | 1.000421 | 1904.01260,1904.10465,etc |
| 53 | kolmogorov smirnov | K-S | 80 | 23 | 1.000325 | 1904.08073,1904.11651,etc |
| 54 | radial velocity | RV | 704 | 22 | 2.003137 | 1904.09603,1904.01955,etc |
| 55 | weakly interacting massive particle | WIMP | 239 | 21 | 1.004809 | 1904.05707,1904.09003,etc |
| 56 | position angle | PA | 157 | 20 | 2.000701 | 1904.02292,1904.00027,etc |
| 57 | young stellar object | YSO | 522 | 20 | 2.005072 | 1904.10914,1904.06980,etc |
| 58 | astrophysik potsdam | AIP | 22 | 20 | 1.000058 | 1904.12998,1904.11992,etc |
| 59 | local thermodynamic equilibrium | LTE | 279 | 20 | 1.005305 | 1904.00094,1904.01955,etc |
| 60 | cold dark matter | CDM | 170 | 20 | 1.0015 | 1904.12903,1904.08949,etc |
| 61 | data release 2 | DR2 | 199 | 19 | 1.001166 | 1904.02261,1904.01599,etc |
| 62 | electromagnetic | EM | 227 | 19 | 2.003149 | 1904.12263,1904.03733,etc |
| 63 | zero age main sequence | ZAMS | 134 | 19 | 1.000973 | 1904.12291,1904.08088,etc |
| 64 | broad line region | BLR | 436 | 18 | 2.001375 | 1904.07278,1904.08946,etc |
| 65 | integral field unit | IFU | 99 | 18 | 1.000688 | 1904.11992,1904.05114,etc |
| 66 | inverse compton | IC | 179 | 17 | 2.001629 | 1904.01765,1904.08429,etc |
| 67 | adaptive mesh refinement | AMR | 58 | 17 | 1.000241 | 1904.12700,1904.08428,etc |
| 68 | baryon acoustic oscillations | BAO | 187 | 17 | 1.002188 | 1904.07810,1904.01174,etc |
| 69 | very long baseline interferometry | VLBI | 180 | 17 | 1.004162 | 1904.02649,1904.07540,etc |
| 70 | far infrared | FIR | 290 | 16 | 2.002266 | 1904.02292,1904.06702,etc |
| 71 | smoothed particle hydrodynamics | SPH | 74 | 16 | 1.000838 | 1904.02407,1904.08428,etc |
| 72 | tidal disruption event | TDE | 540 | 16 | 1.004152 | 1904.03591,1904.03958,etc |
| 73 | max planck institut f"ur extraterrestrische physik | MPE | 17 | 16 | 1.000053 | 1904.12998,1904.13217,etc |
| 74 | dark energy | DE | 692 | 16 | 2.008842 | 1904.01174,1904.07371,etc |
| 75 | wolf rayet | WR | 321 | 16 | 1.003053 | 1904.06976,1904.00209,etc |
| 76 | chinese academy of sciences | China | 51 | 15 | 1.000634 | 1904.07586,1904.07880,etc |
| 77 | big bang nucleosynthesis | BBN | 117 | 15 | 1.001159 | 1904.10971,1904.05707,etc |
| 78 | mikulski archive for space telescopes | MAST | 26 | 15 | 1.000162 | 1904.08946,1904.02158,etc |
| 79 | large area telescope | LAT | 217 | 15 | 1.002432 | 1904.06218,1904.00134,etc |
| 80 | signal to noise | S/N | 92 | 15 | 2.000753 | 1904.04108,1904.08821,etc |
| 81 | small magellanic cloud | SMC | 203 | 15 | 1.001969 | 1904.04836,1904.06702,etc |
| 82 | probability distribution function | PDF | 100 | 15 | 1.001074 | 1904.07524,1904.09300,etc |
| 83 | science and technology facilities council | STFC | 34 | 15 | 1.000361 | 1904.04880,1904.07919,etc |
| 84 | japan society for the promotion of science | JSPS | 38 | 14 | 1.000317 | 1904.07278,1904.05047,etc |
| 85 | binary black hole | BBH | 438 | 14 | 1.006207 | 1904.01683,1904.09295,etc |
| 86 | convolutional neural network | CNN | 289 | 14 | 2.002922 | 1904.12925,1904.12192,etc |
| 87 | root mean square | RMS | 103 | 14 | 1.001131 | 1904.05990,1904.07114,etc |
| 88 | hyper suprime cam | HSC | 428 | 13 | 2.003767 | 1904.07278,1904.10971,etc |
| 89 | principal component analysis | PCA | 69 | 13 | 2.000489 | 1904.12925,1904.03714,etc |
| 90 | baryon acoustic oscillation | BAO | 292 | 13 | 1.004321 | 1904.03430,1904.07868,etc |
| 91 | large scale structure | LSS | 59 | 13 | 2.000903 | 1904.03430,1904.11448,etc |
| 92 | polycyclic aromatic hydrocarbon | PAH | 64 | 13 | 1.000513 | 1904.13267,1904.04301,etc |
| 93 | two micron all sky survey | 2MASS | 51 | 13 | 1.000474 | 1904.09603,1904.02126,etc |
| 94 | innermost stable circular orbit | ISCO | 53 | 13 | 1.00139 | 1904.08428,1904.04831,etc |
| 95 | high end computing | HEC | 13 | 13 | 1.000036 | 1904.01674,1904.10116,etc |
| 96 | radio frequency interference | RFI | 115 | 13 | 1.003845 | 1904.10511,1904.07778,etc |
| 97 | magnetohydrodynamics | MHD | 192 | 13 | 2.002005 | 1904.00133,1904.11524,etc |
| 98 | advanced camera for surveys | ACS | 105 | 13 | 2.000692 | 1904.10549,1904.01041,etc |
| 99 | quantum chromodynamics | QCD | 182 | 13 | 2.002979 | 1904.05707,1904.09913,etc |
| 100 | brightest cluster galaxy | BCG | 317 | 13 | 2.005971 | 1904.01597,1904.02158,etc |
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