| active galactic nucleus | AGN | 736 | 45 | 2.004813 | 0405170,0405237,etc |
| cosmic microwave background | CMB | 594 | 40 | 2.002633 | 0405157,0405118,etc |
| spectral energy distribution | SED | 307 | 37 | 2.001533 | 0405237,0405319,etc |
| interstellar medium | ISM | 227 | 31 | 1.000858 | 0405167,0405285,etc |
| gamma ray burst | GRB | 1316 | 30 | 1.006318 | 0405310,0405411,etc |
| nasa/ipac extragalactic database | NED | 58 | 30 | 1.000276 | 0405237,0405241,etc |
| point spread function | PSF | 191 | 29 | 1.00107 | 0405188,0405424,etc |
| sloan digital sky survey | SDSS | 532 | 25 | 1.006149 | 0405051,0405393,etc |
| supernova | SN | 914 | 24 | 2.008811 | 0405493,0405564,etc |
| cold dark matter | CDM | 127 | 17 | 1.001955 | 0405242,0405333,etc |
| asymptotic giant branch | AGB | 179 | 15 | 1.002117 | 0405016,0405169,etc |
| large magellanic cloud | LMC | 362 | 14 | 2.004305 | 0405129,0405412,etc |
| initial mass function | IMF | 188 | 14 | 1.003754 | 0405016,0405187,etc |
| luminosity function | LF | 282 | 14 | 1.002831 | 0405411,0405495,etc |
| star formation rate | SFR | 126 | 14 | 2.001199 | 0405411,0405302,etc |
| field of view | FOV | 55 | 13 | 1.001424 | 0405571,0405412,etc |
| low mass x ray binary | LMXB | 222 | 13 | 2.00268 | 0405358,0405188,etc |
| intergalactic medium | IGM | 346 | 13 | 1.005867 | 0405219,0405051,etc |
| very large array | VLA | 41 | 12 | 2.000435 | 0405091,0405243,etc |
| full width at half maximum | FWHM | 134 | 12 | 2.002042 | 0405012,0405111,etc |
| near infrared | NIR | 87 | 11 | 1.002565 | 0405578,0405107,etc |
| globular cluster | GC | 622 | 10 | 2.004323 | 0405571,0405016,etc |
| signal to noise ratio | S/N | 67 | 10 | 1.001478 | 0405129,0405145,etc |
| kolmogorov smirnov | K-S | 60 | 10 | 1.000438 | 0405129,0405188,etc |
| color magnitude diagram | CMD | 96 | 10 | 2.001308 | 0405193,0405500,etc |
| intracluster medium | ICM | 110 | 9 | 2.001766 | 0405091,0405365,etc |
| inverse compton | IC | 113 | 9 | 1.001445 | 0405235,0405503,etc |
| black hole | BH | 526 | 9 | 2.007571 | 0405238,0405072,etc |
| weakly interacting massive particle | WIMP | 84 | 9 | 2.005547 | 0405033,0405008,etc |
| broad line region | BLR | 101 | 9 | 2.001565 | 0405393,0405239,etc |
| two micron all sky survey | 2MASS | 47 | 9 | 1.001605 | 0405227,0405578,etc |
| position angle | PA | 69 | 9 | 2.005657 | 0405107,0405243,etc |
| planetary nebula | PN | 180 | 9 | 2.004524 | 0405436,0405169,etc |
| supernova remnant | SNR | 190 | 9 | 2.003291 | 0405350,0405483,etc |
| galactic center | GC | 91 | 8 | 1.002013 | 0405259,0405164,etc |
| wilkinson microwave anisotropy probe | WMAP | 101 | 8 | 2.001592 | 0405553,0405406,etc |
| extremely red object | ERO | 288 | 8 | 2.01135 | 0405416,0405322,etc |
| hubble space telescope | HST | 41 | 8 | 2.001928 | 0405506,0405346,etc |
| neutron star | NS | 181 | 8 | 2.005067 | 0405068,0405277,etc |
| advanced ccd imaging spectrometer | ACIS | 72 | 8 | 2.000481 | 0405511,0405003,etc |
| polycyclic aromatic hydrocarbon | PAH | 173 | 8 | 1.00438 | 0405093,0405604,etc |
| red giant branch | RGB | 62 | 8 | 1.002138 | 0405437,0405403,etc |
| white dwarf | WD | 195 | 7 | 2.006291 | 0405263,0405238,etc |
| cosmic ray | CR | 150 | 7 | 2.00345 | 0405310,0405302,etc |
| cosmic microwave background radiation | CMB | 55 | 7 | 2.00218 | 0405041,0405399,etc |
| equivalent width | EW | 41 | 7 | 2.000888 | 0405509,0405354,etc |
| far infrared | FIR | 99 | 7 | 2.003181 | 0405285,0405553,etc |
| signal to noise | S/N | 45 | 7 | 1.000372 | 0405187,0405450,etc |
| astrophysical research consortium | ARC | 11 | 7 | 1.000285 | 0405239,0405138,etc |
| max planck institute for astronomy | MPIA | 7 | 7 | 1.000072 | 0405239,0405138,etc |
| max planck institute for astrophysics | MPA | 7 | 7 | 1.000072 | 0405239,0405138,etc |
| main sequence | MS | 126 | 6 | 2.003207 | 0405129,0405090,etc |
| pulsar wind nebula | PWNa | 238 | 6 | 2.005331 | 0405310,0405166,etc |
| rosat all sky survey | RASS | 56 | 6 | 1.001034 | 0405091,0405546,etc |
| horizontal branch | HB | 153 | 6 | 2.002945 | 0405016,0405412,etc |
| intra cluster medium | ICM | 94 | 6 | 1.005441 | 0405493,0405577,etc |
| ultraviolet | UV | 146 | 6 | 2.001929 | 0405285,0405506,etc |
| high mass x ray binary | HMXB | 31 | 6 | 1.000758 | 0405578,0405250,etc |
| milky way | MW | 27 | 6 | 1.000767 | 0405064,0405189,etc |
| isaac newton telescope | INT | 32 | 6 | 2.000368 | 0405208,0405060,etc |
| spitzer science center | SSC | 10 | 6 | 1.000155 | 0405616,0405635,etc |
| narrow line seyfert 1 galaxy | NLS1 | 201 | 6 | 2.010333 | 0405159,0405158,etc |
| las campanas redshift survey | LCRS | 62 | 5 | 1.004339 | 0405118,0405211,etc |
| low surface brightness | LSB | 73 | 5 | 1.006435 | 0405241,0405439,etc |
| advanced camera for surveys | ACS | 72 | 5 | 2.001393 | 0405219,0405115,etc |
| ancillary response file | ARF | 11 | 5 | 1.000093 | 0405539,0405188,etc |
| markov chain monte carlo | MCMC | 36 | 5 | 1.000871 | 0405582,0405462,etc |
| maximum entropy method | MEM | 46 | 5 | 2.000927 | 0405509,0405166,etc |
| young stellar object | YSO | 94 | 5 | 1.004664 | 0405075,0405387,etc |
| legacy archive for microwave background data analysis | LAMBDA | 17 | 5 | 1.00051 | 0405544,0405589,etc |
| very large telescope | VLT | 30 | 5 | 2.000844 | 0405412,0405617,etc |
| european southern observatory | ESO | 13 | 5 | 1.000885 | 0405578,0405483,etc |
| monte carlo | MC | 37 | 5 | 1.002052 | 0405589,0405270,etc |
| very long baseline interferometry | VLBI | 42 | 5 | 2.002655 | 0405506,0405105,etc |
| infrared array camera | IRAC-- | 142 | 5 | 2.005241 | 0405626,0405616,etc |
| radio frequency interference | RFI | 28 | 5 | 2.00048 | 0405243,0405364,etc |
| supernova remnants | SNR | 21 | 5 | 1.002475 | 0405275,0405008,etc |
| one dimensional | 1D | 20 | 5 | 2.000252 | 0405508,0405139,etc |
| james clerk maxwell telescope | JCMT | 20 | 5 | 1.000402 | 0405177,0405567,etc |
| charge transfer inefficiency | CTI | 17 | 5 | 2.000216 | 0405511,0405003,etc |
| quantum efficiency | QE | 15 | 5 | 1.000159 | 0405511,0405522,etc |
| equation of state | EOS | 73 | 5 | 1.001151 | 0405193,0405289,etc |
| first look survey | FLS | 72 | 5 | 1.002633 | 0405604,0405418,etc |
| quasi periodic oscillation | QPO | 122 | 5 | 2.003397 | 0405349,0405067,etc |
| very long baseline array | VLBA | 42 | 5 | 2.000547 | 0405300,0405534,etc |
| millisecond pulsar | MSP | 81 | 4 | 2.00259 | 0405016,0405486,etc |
| big bang nucleosynthesis | BBN | 43 | 4 | 2.003272 | 0405583,0405459,etc |
| magnetohydrodynamic | MHD | 43 | 4 | 2.001927 | 0405170,0405337,etc |
| square kilometer array | SKA | 13 | 4 | 1.000204 | 0405343,0405487,etc |
| local standard of rest | LSR | 9 | 4 | 1.000325 | 0405167,0405140,etc |
| high energy transmission grating spectrometer | HETGS | 20 | 4 | 2.00062 | 0405539,0405570,etc |
| sunyaev zel'dovich | SZ | 86 | 4 | 1.003034 | 0405582,0405553,etc |
| national radio astronomy observatory | NRAO | 7 | 4 | 1.000194 | 0405424,0405483,etc |
| singular isothermal sphere | SIS | 9 | 4 | 1.000206 | 0405521,0405247,etc |
| supermassive black hole | SBH | 48 | 4 | 2.002331 | 0405572,0405028,etc |
| infrared | IR | 101 | 4 | 1.001315 | 0405285,0405144,etc |
| star formation rates | SFR | 15 | 4 | 1.000852 | 0405161,0405221,etc |
| power density spectra | PDS | 43 | 4 | 2.003323 | 0405503,0405246,etc |
| lyman break galaxy | LBG | 53 | 4 | 2.001652 | 0405187,0405221,etc |
| x ray flashe | XRF | 99 | 4 | 2.003575 | 0405431,0405320,etc |
|