| spectral energy distribution | SED | 1523 | 134 | 2.001576 | 1909.06145,1909.11621,etc |
| active galactic nucleus | AGN | 2998 | 118 | 2.005159 | 1909.05861,1909.07386,etc |
| interstellar medium | ISM | 1138 | 102 | 1.001615 | 1909.02632,1909.06145,etc |
| signal to noise ratio | SNR | 696 | 91 | 1.001446 | 1909.11621,1909.00654,etc |
| cosmic microwave background | CMB | 1218 | 83 | 2.002419 | 1909.10487,1909.12854,etc |
| point spread function | PSF | 653 | 82 | 2.001409 | 1909.08439,1909.11621,etc |
| markov chain monte carlo | MCMC | 451 | 79 | 1.001115 | 1909.06393,1909.12424,etc |
| star formation rate | SFR | 1737 | 74 | 2.003624 | 1909.08624,1909.10721,etc |
| dark matter | DM | 2470 | 62 | 2.007636 | 1909.04690,1909.04735,etc |
| initial mass function | IMF | 437 | 58 | 2.002258 | 1909.04039,1909.07386,etc |
| sloan digital sky survey | SDSS | 601 | 55 | 1.001652 | 1909.07582,1909.04039,etc |
| field of view | FoV | 329 | 54 | 1.001158 | 1909.04901,1909.08439,etc |
| gravitational wave | GW | 1990 | 53 | 1.00503 | 1909.00654,1909.09740,etc |
| black hole | BH | 2077 | 52 | 1.007744 | 1909.06392,1909.04339,etc |
| supernova | SN | 2444 | 51 | 2.008378 | 1909.04339,1909.04967,etc |
| european research council | ERC | 71 | 50 | 1.000159 | 1909.08439,1909.07386,etc |
| european space agency | ESA | 75 | 50 | 1.000175 | 1909.12424,1909.07014,etc |
| ultraviolet | UV | 644 | 49 | 2.003534 | 1909.08439,1909.02138,etc |
| data processing and analysis consortium | DPAC | 92 | 47 | 1.000202 | 1909.04679,1909.07014,etc |
| neutron star | NS | 1362 | 47 | 1.007194 | 1909.04339,1909.10810,etc |
| milky way | MW | 881 | 47 | 1.00373 | 1909.00003,1909.02138,etc |
| full width at half maximum | FWHM | 167 | 45 | 1.000464 | 1909.04901,1909.08916,etc |
| gamma ray burst | GRB | 1204 | 42 | 2.00804 | 1909.04901,1909.08624,etc |
| asymptotic giant branch | AGB | 604 | 40 | 1.003624 | 1909.08439,1909.07924,etc |
| infrared | IR | 1194 | 39 | 2.004887 | 1909.02663,1909.08818,etc |
| intergalactic medium | IGM | 222 | 39 | 2.001167 | 1909.06688,1909.07402,etc |
| equation of state | EoS | 628 | 39 | 2.003714 | 1909.12845,1909.09169,etc |
| cold dark matter | CDM | 518 | 36 | 1.002616 | 1909.05710,1909.10805,etc |
| radial velocity | RV | 842 | 35 | 2.00423 | 1909.01199,1909.12424,etc |
| nasa/ipac extragalactic database | NED | 62 | 35 | 1.000245 | 1909.08624,1909.04867,etc |
| near infrared | NIR | 441 | 35 | 2.002454 | 1909.13107,1909.01829,etc |
| young stellar object | YSO | 692 | 34 | 2.003148 | 1909.06145,1909.04339,etc |
| hubble space telescope | HST | 280 | 34 | 2.001918 | 1909.02024,1909.02138,etc |
| cosmic ray | CR | 1486 | 33 | 1.00773 | 1909.04901,1909.03005,etc |
| globular cluster | GC | 1592 | 33 | 2.011866 | 1909.08439,1909.04679,etc |
| standard model | SM | 499 | 32 | 1.003322 | 1909.04071,1909.03930,etc |
| general relativity | GR | 371 | 31 | 1.001843 | 1909.02552,1909.10899,etc |
| supermassive black hole | SMBH | 656 | 30 | 2.004854 | 1909.05861,1909.05572,etc |
| main sequence | MS | 724 | 30 | 2.003858 | 1909.01199,1909.04967,etc |
| white dwarf | WD | 1273 | 29 | 1.009405 | 1909.12630,1909.05916,etc |
| signal to noise | S/N | 249 | 29 | 2.000906 | 1909.07988,1909.00819,etc |
| line of sight | LOS | 195 | 28 | 1.001172 | 1909.07582,1909.00144,etc |
| very large array | VLA | 353 | 28 | 1.001344 | 1909.00528,1909.06393,etc |
| fast radio burst | FRB | 761 | 27 | 2.008517 | 1909.07165,1909.09169,etc |
| monte carlo | MC | 173 | 26 | 1.001329 | 1909.05107,1909.12860,etc |
| very large telescope | VLT | 145 | 26 | 2.000774 | 1909.08439,1909.13107,etc |
| supernova remnant | SNR | 610 | 25 | 2.004353 | 1909.06390,1909.04530,etc |
| red giant branch | RGB | 399 | 24 | 1.002428 | 1909.08439,1909.02012,etc |
| very long baseline interferometry | VLBI | 148 | 24 | 1.001433 | 1909.01411,1909.00144,etc |
| three dimensional | 3D | 339 | 24 | 1.001665 | 1909.07590,1909.09655,etc |
| magnetohydrodynamic | MHD | 309 | 23 | 2.001339 | 1909.07325,1909.05268,etc |
| large scale structure | LSS | 232 | 22 | 1.001086 | 1909.03248,1909.04735,etc |
| probability density function | PDF | 153 | 22 | 1.001968 | 1909.03248,1909.12305,etc |
| broad line region | BLR | 409 | 22 | 2.002703 | 1909.05861,1909.05572,etc |
| radio frequency interference | RFI | 133 | 22 | 1.001007 | 1909.04339,1909.11733,etc |
| equivalent width | EW | 376 | 21 | 2.002451 | 1909.05861,1909.01199,etc |
| colour magnitude diagram | CMD | 234 | 21 | 2.001817 | 1909.07397,1909.04967,etc |
| kolmogorov smirnov | KS | 78 | 21 | 1.000338 | 1909.05094,1909.12343,etc |
| atacama large millimeter/submillimeter array | ALMA | 440 | 21 | 2.002108 | 1909.05874,1909.13512,etc |
| large synoptic survey telescope | LSST | 77 | 20 | 1.000899 | 1909.03248,1909.08626,etc |
| inverse compton | IC | 251 | 20 | 2.001978 | 1909.11621,1909.09494,etc |
| large area telescope | LAT | 378 | 20 | 2.003734 | 1909.11621,1909.06310,etc |
| electromagnetic | EM | 206 | 20 | 2.001353 | 1909.06367,1909.11569,etc |
| large magellanic cloud | LMC | 355 | 19 | 1.005432 | 1909.08439,1909.09169,etc |
| dark energy survey | DES | 162 | 19 | 1.001567 | 1909.03248,1909.04039,etc |
| deutsche forschungsgemeinschaft | DFG | 26 | 19 | 1.000165 | 1909.04674,1909.02024,etc |
| mikulski archive for space telescopes | MAST | 33 | 19 | 1.000117 | 1909.07044,1909.13527,etc |
| local standard of rest | LSR | 47 | 19 | 1.000327 | 1909.08374,1909.08810,etc |
| coronal mass ejection | CME | 538 | 19 | 2.009472 | 1909.01183,1909.13209,etc |
| astrophysik potsdam | AIP | 20 | 18 | 1.000086 | 1909.04394,1909.05491,etc |
| circumgalactic medium | CGM | 555 | 18 | 1.003152 | 1909.00003,1909.06688,etc |
| national science foundation | NSF | 53 | 18 | 1.000249 | 1909.12854,1909.00269,etc |
| adaptive optics | AO | 188 | 18 | 1.001979 | 1909.13107,1909.05491,etc |
| very high energy | VHE | 212 | 18 | 1.002939 | 1909.05228,1909.06310,etc |
| probability distribution function | PDF | 198 | 18 | 1.002071 | 1909.00702,1909.00144,etc |
| root mean square | RMS | 87 | 18 | 1.000796 | 1909.11733,1909.09645,etc |
| big bang nucleosynthesis | BBN | 160 | 18 | 2.002617 | 1909.01457,1909.11665,etc |
| color magnitude diagram | CMD | 260 | 17 | 1.001614 | 1909.08439,1909.04854,etc |
| halo occupation distribution | HOD | 256 | 17 | 2.002192 | 1909.03248,1909.13011,etc |
| square kilometre array | SKA | 99 | 17 | 1.000831 | 1909.08624,1909.01348,etc |
| binary neutron star | BNS | 183 | 17 | 2.001298 | 1909.06393,1909.05228,etc |
| science and technology facilities council | STFC | 20 | 17 | 1.000092 | 1909.11525,1909.09494,etc |
| ultra high energy cosmic ray | UHECR | 197 | 17 | 2.003513 | 1909.02663,1909.06390,etc |
| extreme ultraviolet | EUV | 127 | 17 | 2.001228 | 1909.03756,1909.08818,etc |
| star formation history | SFH | 378 | 17 | 2.004579 | 1909.04040,1909.04038,etc |
| position angle | PA | 176 | 16 | 1.003168 | 1909.08916,1909.01509,etc |
| zero age main sequence | ZAMS | 147 | 16 | 2.001562 | 1909.01719,1909.04965,etc |
| small magellanic cloud | SMC | 179 | 15 | 2.003491 | 1909.08439,1909.08264,etc |
| friends of friends | FoF | 46 | 15 | 1.000456 | 1909.03248,1909.01347,etc |
| fast fourier transform | FFT | 75 | 15 | 1.000973 | 1909.03248,1909.00947,etc |
| wide field infrared survey explorer | WISE | 538 | 15 | 2.006934 | 1909.06145,1909.09871,etc |
| flat spectrum radio quasar | FSRQ | 98 | 15 | 1.000733 | 1909.11621,1909.04227,etc |
| extragalactic background light | EBL | 125 | 15 | 2.002472 | 1909.11621,1909.05325,etc |
| cherenkov telescope array | CTA | 224 | 15 | 1.00446 | 1909.11621,1909.02802,etc |
| japan society for the promotion of science | JSPS | 26 | 15 | 1.000241 | 1909.12854,1909.00120,etc |
| navarro frenk white | NFW | 123 | 15 | 2.001057 | 1909.02179,1909.02005,etc |
| mid infrared | MIR | 72 | 15 | 2.000579 | 1909.01298,1909.10202,etc |
| bayesian information criterion | BIC | 94 | 15 | 2.000794 | 1909.04965,1909.12418,etc |
| x ray telescope | XRT | 123 | 15 | 1.001086 | 1909.06801,1909.01995,etc |
| planetary nebula | PN | 761 | 15 | 2.008865 | 1909.04663,1909.13159,etc |
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