| active galactic nucleus | AGN | 4234 | 152 | 2.005006 | 2006.00001,2006.00022,etc |
| spectral energy distribution | SED | 1800 | 133 | 2.002039 | 2006.00221,2006.00274,etc |
| signal to noise ratio | S/N | 996 | 131 | 1.001077 | 2006.00006,2006.00130,etc |
| cosmic microwave background | CMB | 1928 | 115 | 2.003705 | 2006.00008,2006.00244,etc |
| interstellar medium | ISM | 1104 | 112 | 2.001481 | 2006.00010,2006.00120,etc |
| point spread function | PSF | 1296 | 99 | 1.002899 | 2006.00084,2006.00573,etc |
| star formation rate | SFR | 2174 | 91 | 2.003894 | 2006.00004,2006.00006,etc |
| markov chain monte carlo | MCMC | 429 | 89 | 2.000663 | 2006.00010,2006.00084,etc |
| black hole | BH | 5447 | 78 | 2.00888 | 2006.00678,2006.00849,etc |
| dark matter | DM | 3689 | 75 | 2.007263 | 2006.00924,2006.01643,etc |
| initial mass function | IMF | 681 | 71 | 1.003083 | 2006.00004,2006.00720,etc |
| european research council | ERC | 104 | 70 | 1.000138 | 2006.00244,2006.00901,etc |
| gravitational wave | GW | 2123 | 68 | 2.005729 | 2006.00130,2006.00438,etc |
| sloan digital sky survey | SDSS | 842 | 65 | 2.002135 | 2006.00612,2006.00615,etc |
| supermassive black hole | SMBH | 836 | 63 | 2.004391 | 2006.00623,2006.00849,etc |
| full width at half maximum | FWHM | 327 | 62 | 1.000804 | 2006.00599,2006.01008,etc |
| european space agency | ESA | 78 | 59 | 1.000154 | 2006.00013,2006.00500,etc |
| equation of state | EoS | 1487 | 56 | 2.005546 | 2006.00244,2006.00981,etc |
| standard model | SM | 740 | 56 | 2.002046 | 2006.01161,2006.01165,etc |
| data processing and analysis consortium | DPAC | 108 | 53 | 1.000262 | 2006.00874,2006.00965,etc |
| near infrared | near-IR | 530 | 50 | 2.001755 | 2006.00013,2006.02439,etc |
| ultraviolet | UV | 1015 | 49 | 2.003073 | 2006.00221,2006.00615,etc |
| supernova | SN | 2650 | 49 | 2.009025 | 2006.00449,2006.00477,etc |
| field of view | FOV | 514 | 48 | 1.001544 | 2006.00179,2006.01114,etc |
| very large array | VLA | 746 | 48 | 2.003439 | 2006.01114,2006.01159,etc |
| neutron star | NS | 1317 | 47 | 2.006954 | 2006.01150,2006.01552,etc |
| nasa/ipac extragalactic database | NED | 86 | 46 | 1.000218 | 2006.01079,2006.01700,etc |
| atacama large millimeter/submillimeter array | ALMA | 873 | 43 | 2.002596 | 2006.01099,2006.01147,etc |
| asymptotic giant branch | AGB | 535 | 42 | 1.002594 | 2006.00774,2006.01039,etc |
| gamma ray burst | GRB | 1870 | 41 | 2.009686 | 2006.00022,2006.00141,etc |
| radial velocity | RV | 1097 | 41 | 2.003688 | 2006.01102,2006.01199,etc |
| infrared | IR | 1154 | 36 | 1.004149 | 2006.00274,2006.00477,etc |
| intergalactic medium | IGM | 473 | 36 | 1.002233 | 2006.00615,2006.01450,etc |
| general relativity | GR | 643 | 35 | 2.001776 | 2006.01646,2006.01762,etc |
| hubble space telescope | HST | 334 | 34 | 2.001461 | 2006.00010,2006.00874,etc |
| line of sight | LOS | 376 | 34 | 1.001948 | 2006.00484,2006.01788,etc |
| big bang nucleosynthesis | BBN | 500 | 32 | 1.002586 | 2006.01165,2006.01200,etc |
| large magellanic cloud | LMC | 690 | 32 | 2.003886 | 2006.01326,2006.01643,etc |
| magnetohydrodynamic | MHD | 426 | 31 | 2.002017 | 2006.00005,2006.05083,etc |
| national science foundation | NSF | 133 | 31 | 1.000611 | 2006.00006,2006.00010,etc |
| equivalent width | EW | 301 | 31 | 1.001331 | 2006.00120,2006.01114,etc |
| cold dark matter | CDM | 345 | 31 | 1.00228 | 2006.00438,2006.01450,etc |
| main sequence | MS | 719 | 31 | 2.002815 | 2006.00774,2006.00849,etc |
| local thermodynamic equilibrium | LTE | 505 | 31 | 1.004822 | 2006.01102,2006.01277,etc |
| deutsche forschungsgemeinschaft | DFG | 39 | 31 | 1.000078 | 2006.01960,2006.03329,etc |
| white dwarf | WD | 742 | 29 | 1.005232 | 2006.00438,2006.01199,etc |
| signal to noise | S/N | 209 | 29 | 2.000896 | 2006.00924,2006.03072,etc |
| very large telescope | VLT | 99 | 28 | 1.000726 | 2006.00013,2006.00573,etc |
| milky way | MW | 620 | 28 | 2.002867 | 2006.01000,2006.01807,etc |
| intracluster medium | ICM | 205 | 28 | 2.000905 | 2006.01154,2006.01196,etc |
| probability distribution function | PDF | 283 | 27 | 1.001845 | 2006.00013,2006.00981,etc |
| three dimensional | 3D | 400 | 27 | 2.001532 | 2006.00179,2006.01717,etc |
| young stellar object | YSO | 388 | 26 | 1.003488 | 2006.00019,2006.00120,etc |
| inverse compton | IC | 239 | 26 | 2.000998 | 2006.00274,2006.00879,etc |
| fast radio burst | FRB | 1065 | 26 | 2.008326 | 2006.00484,2006.01450,etc |
| red giant branch | RGB | 715 | 26 | 2.003403 | 2006.00774,2006.01274,etc |
| coronal mass ejection | CME | 1243 | 25 | 2.010095 | 2006.00179,2006.02253,etc |
| science and technology facilities council | STFC | 52 | 25 | 1.000308 | 2006.01154,2006.02795,etc |
| supernova remnant | SNR | 598 | 24 | 2.003807 | 2006.00879,2006.01856,etc |
| radio frequency interference | RFI | 187 | 23 | 1.004049 | 2006.00062,2006.02382,etc |
| dark energy survey | DES | 508 | 23 | 1.003318 | 2006.00449,2006.01146,etc |
| circumgalactic medium | CGM | 957 | 22 | 1.00435 | 2006.00006,2006.00720,etc |
| cosmic ray | CR | 1002 | 22 | 2.005391 | 2006.00274,2006.00623,etc |
| two dimensional | 2D | 144 | 22 | 2.001035 | 2006.00526,2006.01000,etc |
| electromagnetic | EM | 278 | 22 | 1.004472 | 2006.02207,2006.02277,etc |
| broad line region | BLR | 191 | 21 | 1.001229 | 2006.00001,2006.01518,etc |
| globular cluster | GC | 1151 | 21 | 2.006541 | 2006.00004,2006.01274,etc |
| mikulski archive for space telescopes | MAST | 41 | 21 | 1.000184 | 2006.00013,2006.00909,etc |
| smoothed particle hydrodynamics | SPH | 156 | 21 | 2.000987 | 2006.00084,2006.00918,etc |
| power spectral density | PSD | 520 | 21 | 1.003573 | 2006.00714,2006.00755,etc |
| root mean square | RMS | 84 | 20 | 1.000753 | 2006.00010,2006.01114,etc |
| kolmogorov smirnov | KS | 73 | 20 | 2.000583 | 2006.00022,2006.01274,etc |
| astrophysik potsdam | AIP | 22 | 20 | 1.000046 | 2006.00615,2006.01114,etc |
| adaptive mesh refinement | AMR | 81 | 19 | 2.002065 | 2006.00084,2006.01297,etc |
| max planck institut f"ur extraterrestrische physik | MPE | 19 | 19 | 1.00004 | 2006.00615,2006.01114,etc |
| binary black hole | BBH | 484 | 19 | 2.003474 | 2006.00633,2006.01807,etc |
| far infrared | FIR | 223 | 19 | 1.001682 | 2006.01147,2006.04974,etc |
| adaptive optics | AO | 324 | 19 | 2.00576 | 2006.01438,2006.01914,etc |
| giant molecular cloud | GMC | 468 | 18 | 1.004192 | 2006.00004,2006.00019,etc |
| star formation history | SFH | 233 | 18 | 2.004281 | 2006.00004,2006.00013,etc |
| james webb space telescope | JWST | 154 | 18 | 1.00103 | 2006.00013,2006.02447,etc |
| principal component analysis | PCA | 348 | 18 | 1.003109 | 2006.00084,2006.00615,etc |
| effective field theory | EFT | 268 | 18 | 2.001621 | 2006.00244,2006.06652,etc |
| one dimensional | 1D | 189 | 18 | 1.0013 | 2006.00438,2006.01827,etc |
| very long baseline interferometry | VLBI | 250 | 18 | 1.002508 | 2006.01099,2006.01114,etc |
| large scale structure | LSS | 294 | 18 | 1.001788 | 2006.01762,2006.03060,etc |
| mid infrared | MIR | 288 | 18 | 2.002573 | 2006.02258,2006.03072,etc |
| color magnitude diagram | CMD | 126 | 18 | 1.001038 | 2006.02448,2006.02686,etc |
| japan society for the promotion of science | JSPS | 30 | 18 | 1.000262 | 2006.03072,2006.03412,etc |
| tidal disruption event | TDE | 989 | 17 | 1.005597 | 2006.00001,2006.00803,etc |
| wolf rayet | WR | 519 | 17 | 1.004666 | 2006.00005,2006.00867,etc |
| extreme ultraviolet | EUV | 193 | 17 | 1.002363 | 2006.00179,2006.02629,etc |
| polycyclic aromatic hydrocarbon | PAH | 385 | 17 | 1.005333 | 2006.00221,2006.01549,etc |
| navarro frenk white | NFW | 137 | 17 | 1.001099 | 2006.00438,2006.00612,etc |
| x ray telescope | XRT | 123 | 17 | 1.00065 | 2006.00477,2006.02454,etc |
| position angle | PA | 168 | 17 | 1.003115 | 2006.01242,2006.01735,etc |
| small magellanic cloud | SMC | 325 | 17 | 1.002932 | 2006.01971,2006.02279,etc |
| magnetohydrodynamics | MHD | 132 | 17 | 1.001293 | 2006.02084,2006.03957,etc |
| canada france hawaii telescope | CFHT | 100 | 17 | 1.000598 | 2006.02443,2006.02444,etc |
| pan starrs1 surveys | PS1 | 243 | 17 | 1.00299 | 2006.03412,2006.03831,etc |