| active galactic nucleus | AGN | 327 | 29 | 2.002257 | 0012481,0012279,etc |
| cold dark matter | CDM | 245 | 26 | 2.003068 | 0012335,0012205,etc |
| cosmic microwave background | CMB | 323 | 25 | 2.00298 | 0012335,0012439,etc |
| interstellar medium | ISM | 158 | 23 | 2.001387 | 0012483,0012444,etc |
| point spread function | PSF | 259 | 20 | 1.002277 | 0012503,0012096,etc |
| spectral energy distribution | SED | 202 | 17 | 1.001594 | 0012503,0012335,etc |
| supernova remnant | SNR | 361 | 17 | 2.004205 | 0012218,0012063,etc |
| initial mass function | IMF | 213 | 14 | 2.002261 | 0012335,0012142,etc |
| neutron star | NS | 357 | 14 | 1.011414 | 0012003,0012118,etc |
| signal to noise ratio | SNR | 52 | 14 | 1.000961 | 0012481,0012028,etc |
| nasa/ipac extragalactic database | NED | 36 | 11 | 2.000535 | 0012432,0012070,etc |
| black hole | BH | 298 | 10 | 1.006299 | 0012028,0012452,etc |
| hubble space telescope | HST | 104 | 10 | 1.00077 | 0012325,0012079,etc |
| equation of state | EOS | 88 | 9 | 1.001959 | 0012242,0012477,etc |
| star formation rate | SFR | 93 | 9 | 1.001129 | 0012505,0012057,etc |
| supernova | SN | 403 | 8 | 2.010359 | 0012003,0012078,etc |
| sloan digital sky survey | SDSS | 200 | 8 | 2.00312 | 0012333,0012189,etc |
| anglo australian telescope | AAT | 18 | 8 | 1.000515 | 0012165,0012204,etc |
| quasi periodic oscillation | QPO | 160 | 7 | 2.004168 | 0012540,0012118,etc |
| low mass x ray binary | LMXB | 85 | 7 | 1.00116 | 0012481,0012118,etc |
| large magellanic cloud | LMC | 142 | 7 | 2.002282 | 0012034,0012377,etc |
| infrared | IR | 94 | 7 | 1.00352 | 0012464,0012370,etc |
| australia telescope compact array | ATCA | 64 | 7 | 2.001216 | 0012079,0012359,etc |
| cataclysmic variable | CV | 79 | 7 | 2.004418 | 0012473,0012463,etc |
| equivalent width | EW | 69 | 7 | 2.001752 | 0012129,0012036,etc |
| intracluster medium | ICM | 158 | 7 | 2.004885 | 0012252,0012067,etc |
| big bang nucleosynthesis | BBN | 66 | 7 | 2.002573 | 0012067,0012009,etc |
| gamma ray burst | GRB | 239 | 6 | 2.004811 | 0012003,0012124,etc |
| white dwarf | WD | 135 | 6 | 1.00479 | 0012003,0012545,etc |
| sunyaev zel'dovich | SZ | 131 | 6 | 2.00377 | 0012439,0012197,etc |
| color magnitude diagram | CMD | 40 | 6 | 2.000373 | 0012517,0012150,etc |
| ultraviolet | UV | 167 | 6 | 2.001435 | 0012142,0012509,etc |
| cosmic microwave background radiation | CMBR | 63 | 5 | 2.001394 | 0012212,0012031,etc |
| full width at half maximum | FWHM | 21 | 5 | 2.000973 | 0012095,0012317,etc |
| luminosity function | LF | 54 | 5 | 2.002756 | 0012075,0012357,etc |
| field of view | FOV | 12 | 5 | 1.00026 | 0012398,0012226,etc |
| intergalactic medium | IGM | 83 | 5 | 2.001433 | 0012404,0012152,etc |
| red giant branch | RGB | 85 | 5 | 2.00174 | 0012517,0012150,etc |
| supernovae | SN | 68 | 5 | 2.001066 | 0012517,0012172,etc |
| quasi periodic oscillations | QPO | 42 | 5 | 1.002927 | 0012515,0012521,etc |
| tully fisher | TF | 41 | 5 | 2.000828 | 0012381,0012066,etc |
| main sequence | MS | 72 | 5 | 2.001922 | 0012295,0012457,etc |
| centrifugal pressure supported boundary layer | CENBOL | 36 | 4 | 2.001039 | 0012524,0012526,etc |
| cosmic background imager | CBI | 74 | 4 | 1.003745 | 0012212,0012211,etc |
| rosat all sky survey | RASS | 102 | 4 | 1.001487 | 0012266,0012075,etc |
| compact steep spectrum | CSS | 22 | 4 | 1.001024 | 0012130,0012428,etc |
| very large array | VLA | 22 | 4 | 2.0019 | 0012432,0012442,etc |
| full width half maximum | FWHM | 12 | 4 | 1.000334 | 0012096,0012397,etc |
| young stellar object | YSO | 61 | 4 | 1.003578 | 0012095,0012063,etc |
| synchrotron self compton | SSC | 24 | 4 | 1.001534 | 0012075,0012124,etc |
| hubble deep field | HDF | 37 | 4 | 1.004096 | 0012293,0012022,etc |
| broad absorption line | BAL | 35 | 4 | 1.001709 | 0012446,0012065,etc |
| position sensitive proportional counter | PSPC | 67 | 4 | 2.000741 | 0012100,0012036,etc |
| high resolution imager | HRI | 57 | 4 | 1.000761 | 0012100,0012426,etc |
| smoothed particle hydrodynamics | SPH | 15 | 4 | 1.000649 | 0012368,0012117,etc |
| damped lyman | DLA | 120 | 4 | 2.003451 | 0012079,0012140,etc |
| weakly interacting massive particle | WIMP | 63 | 4 | 1.00658 | 0012235,0012393,etc |
| giant molecular cloud | GMC | 44 | 4 | 1.001289 | 0012341,0012354,etc |
| far ultraviolet | FUV | 105 | 4 | 2.005177 | 0012255,0012220,etc |
| asymptotic giant branch | AGB | 38 | 4 | 1.001787 | 0012180,0012457,etc |
| graduate student researchers program | GSRP | 4 | 4 | 1.000177 | 0012454,0012359,etc |
| ultra luminous infrared galaxy | ULIRG | 50 | 4 | 1.001865 | 0012308,0012011,etc |
| narrow field instruments | NFI | 8 | 3 | 1.00071 | 0012503,0012383,etc |
| atacama large millimeter array | ALMA | 7 | 3 | 1.000638 | 0012212,0012370,etc |
| rosat eso flux limited x ray | REFLEX | 155 | 3 | 1.002965 | 0012266,0012105,etc |
| broad line region | BLR | 8 | 3 | 1.000111 | 0012096,0012125,etc |
| very high energy | VHE | 6 | 3 | 1.000104 | 0012094,0012062,etc |
| liquid xenon gamma ray imaging telescope | LXeGRIT | 46 | 3 | 2.001104 | 0012398,0012296,etc |
| cosmic ray | CR | 169 | 3 | 2.003548 | 0012483,0012272,etc |
| deutsche forschungsgemeinschaft | DFG | 4 | 3 | 1.000497 | 0012285,0012226,etc |
| compton gamma ray observatory | CGRO | 18 | 3 | 1.000277 | 0012078,0012332,etc |
| low energy peaked bl lacs | LBL | 18 | 3 | 2.001406 | 0012044,0012356,etc |
| large scale structure | LSS | 7 | 3 | 1.000425 | 0012087,0012206,etc |
| nrao vla sky survey | NVSS | 27 | 3 | 1.001408 | 0012428,0012357,etc |
| deep x ray radio blazar survey | DXRBS | 141 | 3 | 2.00065 | 0012357,0012356,etc |
| flat spectrum radio quasars | FSRQ | 89 | 3 | 2.002936 | 0012357,0012356,etc |
| supernova remnants | SNR | 21 | 3 | 2.001716 | 0012293,0012532,etc |
| spectral energy distributions | SED | 32 | 3 | 1.000765 | 0012517,0012295,etc |
| small magellanic cloud | SMC | 50 | 3 | 1.002456 | 0012034,0012342,etc |
| uk schmidt telescope | UKST | 19 | 3 | 1.00076 | 0012446,0012375,etc |
| automated plate measuring | APM | 183 | 3 | 2.006134 | 0012446,0012536,etc |
| narrow line seyfert 1 | NLS1 | 53 | 3 | 2.00399 | 0012317,0012100,etc |
| advection dominated accretion flow | ADAF | 34 | 3 | 2.002819 | 0012124,0012378,etc |
| near infrared camera and multi object spectrometer | NICMOS | 31 | 3 | 1.001395 | 0012546,0012140,etc |
| local thermodynamic equilibrium | LTE | 8 | 3 | 1.000072 | 0012256,0012369,etc |
| japan society for promotion of science | JSPS | 3 | 3 | 1.000123 | 0012366,0012312,etc |
| ultraluminous infrared galaxy | ULIRG | 73 | 3 | 2.001687 | 0012506,0012068,etc |
| photomultiplier tube | PMT | 73 | 3 | 2.00692 | 0012332,0012395,etc |
| gigahertz peaked spectrum | GPS | 4 | 3 | 1.000251 | 0012352,0012231,etc |
| power density spectrum | PDS | 32 | 3 | 1.002382 | 0012400,0012448,etc |
| pulsar wind nebula | PWN | 157 | 3 | 2.007294 | 0012304,0012440,etc |
| wide field and planetary camera 2 | WFPC2 | 39 | 3 | 2.000025 | 0012377,0012376,etc |
| colour magnitude diagram | CMD | 54 | 3 | 2.001878 | 0012389,0012471,etc |
| far infrared | FIR | 75 | 3 | 2.001019 | 0012036,0012001,etc |
| three dimensional | 3D | 29 | 3 | 2.001433 | 0012296,0012438,etc |
| fundamental plane | FP | 54 | 3 | 2.000943 | 0012381,0012376,etc |
| navarro, frenk & white | NFW | 40 | 3 | 2.002097 | 0012381,0012086,etc |
| x ray background | XRB | 8 | 3 | 1.000502 | 0012146,0012255,etc |
| polycyclic aromatic hydrocarbon | PAH | 73 | 3 | 1.001908 | 0012509,0012354,etc |
| owens valley radio observatory | OVRO | 23 | 3 | 1.000411 | 0012211,0012067,etc |
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