| active galactic nucleus | AGN | 824 | 40 | 1.004448 | 0512310,0512025,etc |
| cosmic microwave background | CMB | 531 | 40 | 2.00315 | 0512439,0512513,etc |
| point spread function | PSF | 319 | 38 | 1.002988 | 0512534,0512457,etc |
| spectral energy distribution | SED | 433 | 35 | 2.002152 | 0512357,0512025,etc |
| sloan digital sky survey | SDSS | 614 | 30 | 1.002558 | 0512233,0512457,etc |
| interstellar medium | ISM | 283 | 27 | 1.001946 | 0512341,0512506,etc |
| cold dark matter | CDM | 169 | 27 | 1.00157 | 0512234,0512127,etc |
| gamma ray burst | GRB | 1425 | 26 | 2.008437 | 0512615,0512577,etc |
| initial mass function | IMF | 110 | 25 | 1.001665 | 0512506,0512147,etc |
| nasa/ipac extragalactic database | NED | 42 | 20 | 1.000517 | 0512540,0512522,etc |
| star formation rate | SFR | 317 | 19 | 2.001984 | 0512302,0512069,etc |
| max planck institute for astronomy | MPA | 18 | 18 | 1.000047 | 0512463,0512325,etc |
| max planck institute for astrophysics | MPIA | 18 | 18 | 1.000047 | 0512463,0512325,etc |
| asymptotic giant branch | AGB | 443 | 18 | 1.003067 | 0512253,0512371,etc |
| signal to noise ratio | S/N | 175 | 17 | 1.001964 | 0512462,0512489,etc |
| full width at half maximum | FWHM | 125 | 16 | 1.0011 | 0512265,0512534,etc |
| equivalent width | EW | 269 | 16 | 1.002031 | 0512396,0512325,etc |
| astrophysical research consortium | ARC | 21 | 15 | 1.000191 | 0512325,0512127,etc |
| supernova | SN | 681 | 14 | 1.009363 | 0512506,0512232,etc |
| near infrared | NIR | 290 | 14 | 2.002363 | 0512143,0512362,etc |
| signal to noise | S/N | 63 | 13 | 2.000468 | 0512357,0512457,etc |
| position angle | PA | 182 | 13 | 1.001637 | 0512534,0512140,etc |
| intergalactic medium | IGM | 429 | 13 | 2.003294 | 0512626,0512465,etc |
| luminosity function | LF | 602 | 12 | 2.00533 | 0512234,0512147,etc |
| hubble space telescope | HST | 65 | 12 | 1.001004 | 0512084,0512147,etc |
| main sequence | MS | 200 | 12 | 2.002998 | 0512293,0512488,etc |
| supernova remnant | SNR | 192 | 11 | 1.005038 | 0512428,0512047,etc |
| very large array | VLA | 78 | 11 | 2.001228 | 0512225,0512128,etc |
| infrared | IR | 332 | 10 | 2.008866 | 0512540,0512069,etc |
| field of view | FoV | 92 | 10 | 2.001119 | 0512102,0512523,etc |
| kolmogorov smirnov | KS | 35 | 9 | 2.000455 | 0512357,0512534,etc |
| local thermodynamic equilibrium | LTE | 138 | 9 | 2.005005 | 0512153,0512293,etc |
| broad line region | BLR | 105 | 9 | 2.004937 | 0512310,0512462,etc |
| intracluster medium | ICM | 103 | 9 | 1.00078 | 0512613,0512547,etc |
| equation of state | EOS | 204 | 9 | 2.004092 | 0512216,0512088,etc |
| red giant branch | RGB | 165 | 9 | 1.002162 | 0512344,0512326,etc |
| young stellar object | YSO | 67 | 8 | 2.000374 | 0512199,0512098,etc |
| probability distribution function | PDF | 137 | 8 | 2.004425 | 0512369,0512513,etc |
| two micron all sky survey | 2MASS | 54 | 8 | 2.00076 | 0512009,0512377,etc |
| color magnitude diagram | CMD | 93 | 8 | 2.00275 | 0512131,0512001,etc |
| adaptive optics | AO | 94 | 8 | 2.006021 | 0512525,0512092,etc |
| low mass x ray binary | LMXB | 109 | 8 | 1.007003 | 0512654,0512041,etc |
| advanced camera for surveys | ACS | 131 | 8 | 1.004035 | 0512491,0512102,etc |
| cosmic microwave background radiation | CMBR | 58 | 7 | 1.001244 | 0512265,0512135,etc |
| planetary nebula | PN | 208 | 7 | 2.00334 | 0512009,0512428,etc |
| wilkinson microwave anisotropy probe | WMAP | 136 | 7 | 2.003617 | 0512020,0512406,etc |
| australia telescope compact array | ATCA | 74 | 7 | 1.001611 | 0512240,0512286,etc |
| friends of friends | FOF | 17 | 7 | 1.000221 | 0512506,0512187,etc |
| intra cluster medium | ICM | 67 | 7 | 2.001246 | 0512547,0512475,etc |
| large scale structure | LSS | 36 | 7 | 2.002862 | 0512085,0512622,etc |
| cataclysmic variable | CV | 118 | 7 | 1.003265 | 0512274,0512141,etc |
| astronomical image processing system | AIPS | 13 | 7 | 1.000174 | 0512011,0512060,etc |
| ultra high energy cosmic ray | UHECR | 105 | 6 | 2.003587 | 0512265,0512498,etc |
| quasi periodic oscillation | QPO | 162 | 6 | 2.006066 | 0512414,0512387,etc |
| halo occupation distribution | HOD | 189 | 6 | 2.002691 | 0512233,0512234,etc |
| lyman break galaxy | LBG | 87 | 6 | 2.00171 | 0512233,0512357,etc |
| three dimensional | 3D | 72 | 6 | 2.002112 | 0512049,0512217,etc |
| very large telescope | VLT | 18 | 6 | 1.000513 | 0512293,0512070,etc |
| horizontal branch | HB | 69 | 6 | 2.002534 | 0512001,0512109,etc |
| white dwarf | WD | 85 | 6 | 2.001834 | 0512099,0512141,etc |
| neutron star | NS | 204 | 6 | 2.006999 | 0512654,0512065,etc |
| ultraviolet | UV | 70 | 6 | 1.000684 | 0512203,0512290,etc |
| globular cluster | GC | 433 | 6 | 2.005288 | 0512173,0512474,etc |
| local standard of rest | LSR | 21 | 6 | 2.000518 | 0512268,0512028,etc |
| synchrotron self compton | SSC | 72 | 6 | 2.001019 | 0512489,0512628,etc |
| markov chain monte carlo | MCMC | 64 | 6 | 2.000855 | 0512621,0512631,etc |
| greisen zatsepin kuzmin | GZK | 30 | 5 | 2.001034 | 0512265,0512439,etc |
| radial velocity | RV | 177 | 5 | 2.004575 | 0512388,0512108,etc |
| dark matter | DM | 162 | 5 | 2.003275 | 0512640,0512506,etc |
| low surface brightness | LSB | 37 | 5 | 1.003885 | 0512640,0512416,etc |
| adaptive refinement tree | ART | 9 | 5 | 1.000141 | 0512234,0512416,etc |
| friedmann robertson walker | FRW | 17 | 5 | 1.000527 | 0512135,0512014,etc |
| cosmic ray | CR | 309 | 5 | 2.003904 | 0512345,0512439,etc |
| pre main sequence | PMS | 87 | 5 | 2.006443 | 0512293,0512289,etc |
| colour magnitude diagram | CMD | 63 | 5 | 1.001515 | 0512522,0512024,etc |
| submillimeter array | SMA | 38 | 5 | 2.00093 | 0512225,0512122,etc |
| black hole | BH | 63 | 5 | 2.00376 | 0512654,0512462,etc |
| adaptive mesh refinement | AMR | 15 | 5 | 1.000289 | 0512247,0512027,etc |
| intermediate mass black hole | IMBH | 60 | 5 | 2.004734 | 0512648,0512455,etc |
| giant molecular cloud | GMC | 27 | 5 | 1.000627 | 0512589,0512256,etc |
| zero age main sequence | ZAMS | 20 | 5 | 1.000298 | 0512441,0512295,etc |
| milky way | MW | 71 | 5 | 2.001048 | 0512346,0512321,etc |
| large magellanic cloud | LMC | 155 | 5 | 2.003178 | 0512295,0512094,etc |
| line of sight | LOS | 51 | 5 | 2.001043 | 0512096,0512129,etc |
| galactic center | GC | 83 | 5 | 2.003338 | 0512440,0512643,etc |
| high mass x ray binary | HMXB | 44 | 5 | 1.000745 | 0512162,0512399,etc |
| smoothed particle hydrodynamics | SPH | 40 | 5 | 1.000601 | 0512137,0512030,etc |
| european photon imaging camera | EPIC | 60 | 4 | 2.001157 | 0512260,0512441,etc |
| canada france hawaii telescope | CFHT | 28 | 4 | 2.000531 | 0512357,0512465,etc |
| anglo australian telescope | AAT | 21 | 4 | 1.000423 | 0512534,0512590,etc |
| narrow line region | NLR | 10 | 4 | 1.000442 | 0512310,0512418,etc |
| dispersion measure | DM | 24 | 4 | 1.000773 | 0512341,0512379,etc |
| ultraluminous infrared galaxy | ULIRG | 50 | 4 | 2.006409 | 0512537,0512055,etc |
| national science foundation | NSF | 9 | 4 | 1.000082 | 0512234,0512039,etc |
| integrated sachs wolfe | ISW | 33 | 4 | 2.002481 | 0512135,0512159,etc |
| ultra high energy | UHE | 27 | 4 | 2.002251 | 0512345,0512337,etc |
| space telescope imaging spectrograph | STIS | 65 | 4 | 2.000916 | 0512084,0512163,etc |
| differential emission measure | DEM | 45 | 4 | 1.002353 | 0512571,0512441,etc |
| particle physics and astronomy research council | PPARC | 5 | 4 | 1.000384 | 0512363,0512449,etc |
| pulsar wind nebula | PWN | 83 | 4 | 2.002525 | 0512047,0512246,etc |
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