| active galactic nucleus | AGN | 365 | 34 | 1.001731 | 0312207,0312035,etc |
| cosmic microwave background | CMB | 348 | 33 | 2.003147 | 0312610,0312163,etc |
| interstellar medium | ISM | 349 | 30 | 1.001318 | 0312322,0312095,etc |
| spectral energy distribution | SED | 495 | 28 | 1.00315 | 0312119,0312029,etc |
| initial mass function | IMF | 261 | 26 | 1.002504 | 0312100,0312207,etc |
| gamma ray burst | GRB | 859 | 25 | 2.010218 | 0312224,0312496,etc |
| nasa/ipac extragalactic database | NED | 38 | 22 | 1.000176 | 0312292,0312431,etc |
| cold dark matter | CDM | 288 | 21 | 2.003182 | 0312456,0312226,etc |
| point spread function | PSF | 204 | 19 | 2.001155 | 0312100,0312657,etc |
| star formation rate | SFR | 354 | 18 | 2.002676 | 0312100,0312207,etc |
| supernova | SN | 837 | 16 | 2.00846 | 0312456,0312050,etc |
| hubble space telescope | HST | 90 | 15 | 2.000643 | 0312441,0312322,etc |
| sloan digital sky survey | SDSS | 333 | 15 | 1.003883 | 0312346,0312176,etc |
| supernova remnant | SNR | 406 | 14 | 1.007845 | 0312085,0312299,etc |
| astrophysical research consortium | ARC | 20 | 14 | 1.00019 | 0312137,0312176,etc |
| equivalent width | EQW | 138 | 13 | 1.004404 | 0312575,0312512,etc |
| luminosity function | LF | 320 | 13 | 2.006683 | 0312351,0312566,etc |
| asymptotic giant branch | AGB | 139 | 11 | 1.004501 | 0312029,0312481,etc |
| neutron star | NS | 298 | 11 | 2.004586 | 0312369,0312096,etc |
| max planck institute for astronomy | MPIA | 11 | 11 | 1.00022 | 0312064,0312137,etc |
| max planck institute for astrophysics | MPA | 11 | 11 | 1.00022 | 0312064,0312137,etc |
| signal to noise ratio | S/N | 34 | 11 | 1.0004 | 0312122,0312201,etc |
| color magnitude diagram | CMD | 155 | 10 | 2.00167 | 0312100,0312657,etc |
| young stellar object | YSO | 62 | 10 | 1.00091 | 0312586,0312442,etc |
| small magellanic cloud | SMC | 395 | 9 | 2.005069 | 0312100,0312281,etc |
| near infrared | NIR | 68 | 9 | 1.000974 | 0312029,0312172,etc |
| intra cluster medium | ICM | 139 | 9 | 2.002007 | 0312398,0312226,etc |
| low surface brightness | LSB | 43 | 9 | 1.000904 | 0312154,0312255,etc |
| kolmogorov smirnov | KS | 22 | 9 | 1.000372 | 0312313,0312214,etc |
| equation of state | EoS | 102 | 9 | 2.002469 | 0312330,0312446,etc |
| ultraviolet | UV | 62 | 8 | 2.001029 | 0312035,0312650,etc |
| dark matter | DM | 135 | 8 | 1.003652 | 0312606,0312398,etc |
| planetary nebula | PN | 244 | 8 | 2.006159 | 0312584,0312481,etc |
| cataclysmic variable | CV | 127 | 8 | 2.002849 | 0312657,0312149,etc |
| intergalactic medium | IGM | 160 | 8 | 2.00291 | 0312456,0312532,etc |
| very large array | VLA | 48 | 8 | 2.001236 | 0312136,0312252,etc |
| red giant branch | RGB | 239 | 8 | 2.003334 | 0312512,0312302,etc |
| large magellanic cloud | LMC | 187 | 7 | 1.005841 | 0312462,0312112,etc |
| advanced camera for surveys | ACS | 49 | 7 | 1.002547 | 0312511,0312657,etc |
| smoothed particle hydrodynamics | SPH | 95 | 7 | 1.001336 | 0312456,0312255,etc |
| magnetohydrodynamic | MHD | 215 | 7 | 2.002399 | 0312309,0312622,etc |
| ultraluminous x ray source | ULX | 129 | 6 | 1.004898 | 0312393,0312396,etc |
| intracluster medium | ICM | 179 | 6 | 2.002168 | 0312322,0312351,etc |
| anomalous x ray pulsar | AXP | 138 | 6 | 2.003779 | 0312369,0312062,etc |
| main sequence | MS | 180 | 6 | 2.003184 | 0312456,0312448,etc |
| white dwarf | WD | 42 | 6 | 1.002258 | 0312255,0312486,etc |
| cosmic ray | CR | 139 | 6 | 1.004932 | 0312574,0312283,etc |
| black hole | BH | 67 | 6 | 2.003628 | 0312182,0312542,etc |
| infrared | IR | 201 | 6 | 2.005781 | 0312641,0312229,etc |
| wilkinson microwave anisotropy probe | WMAP | 92 | 6 | 1.003173 | 0312572,0312174,etc |
| globular cluster | GC | 346 | 6 | 2.010555 | 0312448,0312391,etc |
| low mass x ray binary | LMXB | 16 | 6 | 2.001234 | 0312107,0312396,etc |
| field of view | FoV | 30 | 6 | 1.0006 | 0312171,0312334,etc |
| wide field camera | WFC | 23 | 5 | 1.000807 | 0312292,0312511,etc |
| local thermodynamic equilibrium | LTE | 170 | 5 | 2.003876 | 0312290,0312456,etc |
| signal to noise | S/N | 56 | 5 | 2.001962 | 0312035,0312412,etc |
| ultra high energy cosmic ray | UHECR | 44 | 5 | 1.001726 | 0312606,0312591,etc |
| inverse compton | IC | 53 | 5 | 2.001196 | 0312447,0312435,etc |
| australia telescope compact array | ATCA | 37 | 5 | 1.001108 | 0312163,0312299,etc |
| european southern observatory | ESO | 17 | 5 | 1.000236 | 0312119,0312478,etc |
| far infrared | FIR | 110 | 5 | 2.003663 | 0312029,0312209,etc |
| zero age main sequence | ZAMS | 11 | 5 | 1.00018 | 0312554,0312657,etc |
| polycyclic aromatic hydrocarbon | PAH | 118 | 5 | 1.001817 | 0312592,0312641,etc |
| european photon imaging camera | EPIC | 65 | 5 | 2.001812 | 0312377,0312541,etc |
| cerro tololo inter american observatory | CTIO | 39 | 5 | 1.001538 | 0312102,0312288,etc |
| very large telescope | VLT | 31 | 5 | 2.000681 | 0312102,0312234,etc |
| quasi periodic oscillation | QPO | 134 | 5 | 1.005098 | 0312149,0312182,etc |
| adaptive optics | AO | 35 | 5 | 2.001695 | 0312087,0312550,etc |
| narrow line region | NLR | 96 | 5 | 2.002335 | 0312126,0312094,etc |
| telescopio nazionale galileo | TNG | 7 | 5 | 1.001041 | 0312126,0312097,etc |
| cosmic microwave background radiation | CMBR | 97 | 5 | 2.002561 | 0312275,0312614,etc |
| narrow line seyfert 1 galaxy | NLSy1 | 38 | 4 | 2.000711 | 0312207,0312298,etc |
| pre main sequence | PMS | 106 | 4 | 2.000956 | 0312575,0312288,etc |
| advection dominated accretion flow | ADAF | 25 | 4 | 2.0014 | 0312322,0312219,etc |
| very long baseline interferometry | VLBI | 18 | 4 | 2.000623 | 0312378,0312418,etc |
| emission measure | EM | 66 | 4 | 2.003474 | 0312378,0312541,etc |
| full width half maximum | FWHM | 22 | 4 | 2.000355 | 0312586,0312233,etc |
| piecewise parabolic method | PPM | 12 | 4 | 1.000155 | 0312562,0312203,etc |
| japan society for the promotion of science | JSPS | 7 | 4 | 1.000327 | 0312040,0312541,etc |
| dwarf spheroidal | dSph | 54 | 4 | 2.00216 | 0312194,0312255,etc |
| two dimensional | 2D | 15 | 4 | 2.000695 | 0312201,0312507,etc |
| probability distribution function | PDF | 60 | 4 | 2.00144 | 0312286,0312622,etc |
| horizontal branch | HB | 10 | 4 | 1.000597 | 0312255,0312448,etc |
| big bang nucleosynthesis | BBN | 160 | 4 | 2.003029 | 0312629,0312605,etc |
| wide field imager | WFI | 46 | 4 | 1.001054 | 0312444,0312026,etc |
| power spectral density | PSD | 43 | 4 | 2.001007 | 0312062,0312004,etc |
| great observatories origins deep survey | GOODS | 19 | 4 | 2.000791 | 0312459,0312572,etc |
| singular isothermal sphere | SIS | 20 | 4 | 1.00102 | 0312370,0312435,etc |
| x ray binary | XRB | 63 | 4 | 1.00185 | 0312182,0312649,etc |
| lyman break galaxy | LBG | 58 | 4 | 2.001455 | 0312572,0312099,etc |
| extremely red object | ERO | 121 | 4 | 2.009052 | 0312097,0312269,etc |
| infrared space observatory | ISO | 64 | 4 | 1.001441 | 0312333,0312114,etc |
| magnetohydrodynamics | MHD | 89 | 4 | 2.00231 | 0312651,0312614,etc |
| x ray flashe | XRF | 197 | 4 | 2.011069 | 0312504,0312501,etc |
| star formation history | SFH | 73 | 3 | 2.002804 | 0312100,0312127,etc |
| supermassive black hole | SMBH | 46 | 3 | 1.005603 | 0312207,0312080,etc |
| from the science and technology foundation | FCT | 3 | 3 | 1.00066 | 0312035,0312111,etc |
| ultraluminous infrared galaxy | ULIRG | 31 | 3 | 2.002491 | 0312298,0312215,etc |
| non equilibrium ionization | NEI | 10 | 3 | 1.00044 | 0312328,0312637,etc |
| large area telescope | LAT | 58 | 3 | 2.005298 | 0312590,0312335,etc |
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