| active galactic nucleus | AGN | 479 | 34 | 1.004437 | 0001456,0001424,etc |
| point spread function | PSF | 125 | 26 | 1.001036 | 0001384,0001355,etc |
| cosmic microwave background | CMB | 368 | 24 | 2.003291 | 0001127,0001061,etc |
| spectral energy distribution | SED | 238 | 24 | 1.001484 | 0001399,0001069,etc |
| gamma ray burst | GRB | 644 | 20 | 2.011254 | 0001122,0001151,etc |
| initial mass function | IMF | 157 | 19 | 2.002147 | 0001424,0001154,etc |
| nasa/ipac extragalactic database | NED | 26 | 17 | 1.000168 | 0001044,0001415,etc |
| cold dark matter | CDM | 317 | 17 | 1.003451 | 0001219,0001061,etc |
| supernova remnant | SNR | 261 | 14 | 2.005931 | 0001536,0001377,etc |
| star formation rate | SFR | 342 | 14 | 2.002916 | 0001326,0001174,etc |
| interstellar medium | ISM | 239 | 12 | 2.00501 | 0001424,0001228,etc |
| black hole | BH | 213 | 11 | 1.004747 | 0001009,0001026,etc |
| supernova | SN | 617 | 11 | 2.013585 | 0001295,0001469,etc |
| intracluster medium | ICM | 194 | 10 | 2.00402 | 0001127,0001128,etc |
| hubble space telescope | HST | 69 | 10 | 1.001687 | 0001154,0001092,etc |
| x ray background | XRB | 117 | 10 | 1.002897 | 0001061,0001098,etc |
| asymptotic giant branch | AGB | 295 | 10 | 2.004159 | 0001144,0001295,etc |
| inverse compton | IC | 159 | 9 | 2.003262 | 0001127,0001128,etc |
| large magellanic cloud | LMC | 327 | 9 | 2.004123 | 0001026,0001272,etc |
| luminosity function | LF | 49 | 9 | 2.000465 | 0001468,0001272,etc |
| quasi periodic oscillation | QPO | 471 | 8 | 2.00486 | 0001480,0001158,etc |
| far infrared | far-IR | 57 | 8 | 1.000977 | 0001384,0001424,etc |
| very large array | VLA | 65 | 8 | 1.001554 | 0001536,0001141,etc |
| equivalent width | EW | 126 | 8 | 1.002555 | 0001009,0001399,etc |
| neutron star | NS | 159 | 8 | 2.003637 | 0001026,0001033,etc |
| low mass x ray binary | LMXB | 61 | 8 | 2.002044 | 0001026,0001437,etc |
| equation of state | EOS | 205 | 8 | 2.003694 | 0001167,0001367,etc |
| low surface brightness | LSB | 67 | 7 | 1.006283 | 0001071,0001249,etc |
| intergalactic medium | IGM | 72 | 7 | 2.001412 | 0001326,0001348,etc |
| inverse compton scattering | ICS | 51 | 7 | 2.0024 | 0001033,0001471,etc |
| burst and transient source experiment | BATSE | 61 | 6 | 2.005559 | 0001480,0001122,etc |
| infrared space observatory | ISO | 85 | 6 | 2.00204 | 0001424,0001228,etc |
| broad line region | BLR | 75 | 6 | 2.001122 | 0001399,0001107,etc |
| red giant branch | RGB | 189 | 6 | 2.004367 | 0001468,0001072,etc |
| star formation | SF | 138 | 6 | 2.003118 | 0001219,0001210,etc |
| smoothed particle hydrodynamics | SPH | 95 | 6 | 2.002057 | 0001333,0001093,etc |
| anglo australian telescope | AAT | 22 | 6 | 2.000584 | 0001156,0001520,etc |
| rosat all sky survey | RASS | 83 | 5 | 2.002991 | 0001319,0001505,etc |
| high resolution imager | HRI | 64 | 5 | 2.001516 | 0001412,0001437,etc |
| tully fisher | TF | 127 | 5 | 2.001531 | 0001219,0001147,etc |
| dark matter | DM | 177 | 5 | 1.002929 | 0001219,0001147,etc |
| new technology telescope | NTT | 19 | 5 | 1.000285 | 0001107,0001428,etc |
| horizontal branch | HB | 207 | 5 | 2.001294 | 0001526,0001435,etc |
| full width at half maximum | FWHM | 31 | 5 | 2.000636 | 0001212,0001260,etc |
| australia telescope compact array | ATCA | 16 | 5 | 1.000205 | 0001158,0001413,etc |
| sunyaev zel'dovich | SZ | 139 | 5 | 2.004934 | 0001393,0001106,etc |
| cosmic x ray background | CXB | 44 | 5 | 1.000947 | 0001030,0001360,etc |
| all sky monitor | ASM | 58 | 5 | 1.004233 | 0001437,0001530,etc |
| photodissociation region | PDR | 150 | 5 | 1.006254 | 0001336,0001035,etc |
| planetary nebula | PN | 150 | 5 | 2.003452 | 0001156,0001518,etc |
| brightest cluster galaxy | BCG | 120 | 4 | 2.004325 | 0001415,0001356,etc |
| advection dominated accretion flow | ADAF | 119 | 4 | 2.004211 | 0001026,0001363,etc |
| high energy astrophysics science archive research center | HEASARC | 4 | 4 | 1.000007 | 0001026,0001484,etc |
| color magnitude diagram | CMD | 179 | 4 | 2.003312 | 0001468,0001272,etc |
| main sequence | MS | 169 | 4 | 2.004298 | 0001468,0001295,etc |
| bolometric correction | BC | 61 | 4 | 1.006878 | 0001468,0001408,etc |
| narrow field instruments | NFI | 40 | 4 | 2.001369 | 0001107,0001158,etc |
| wolf rayet | WR | 212 | 4 | 2.004427 | 0001228,0001170,etc |
| photon dominated region | PDR | 54 | 4 | 2.001637 | 0001173,0001214,etc |
| piecewise parabolic method | PPM | 16 | 4 | 2.000198 | 0001169,0001422,etc |
| young stellar object | YSO | 48 | 4 | 1.002386 | 0001214,0001336,etc |
| white dwarf | WD | 50 | 4 | 1.001994 | 0001295,0001013,etc |
| cerro tololo interamerican observatory | CTIO | 34 | 4 | 1.000974 | 0001141,0001157,etc |
| globular cluster | GC | 272 | 4 | 2.008926 | 0001333,0001087,etc |
| astronomy | ASTRON | 4 | 4 | 1.00015 | 0001134,0001509,etc |
| target of opportunity | TOO | 37 | 4 | 2.000927 | 0001437,0001530,etc |
| big bang nucleosynthesis | BBN | 193 | 4 | 1.002718 | 0001318,0001406,etc |
| compton gamma ray observatory | CGRO | 33 | 4 | 1.001036 | 0001204,0001484,etc |
| infrared | IR | 70 | 4 | 1.007985 | 0001204,0001472,etc |
| position sensitive proportional counter | PSPC | 53 | 4 | 2.002942 | 0001334,0001091,etc |
| sunyaev zeldovich | SZ | 142 | 4 | 1.004744 | 0001120,0001053,etc |
| local group | LG | 72 | 4 | 1.00367 | 0001016,0001475,etc |
| cataclysmic variable | CV | 33 | 4 | 1.001036 | 0001065,0001525,etc |
| galactic cosmic ray | GCR | 34 | 4 | 1.004272 | 0001253,0001331,etc |
| small magellanic cloud | SMC | 28 | 4 | 2.001848 | 0001048,0001001,etc |
| james clerk maxwell telescope | JCMT | 22 | 4 | 1.000782 | 0001275,0001527,etc |
| colour magnitude diagram | CMD | 26 | 4 | 2.001333 | 0001229,0001434,etc |
| milky way | MW | 26 | 3 | 2.000972 | 0001384,0001146,etc |
| signal to noise ratio | S/N | 6 | 3 | 1.000259 | 0001456,0001174,etc |
| narrow field instrument | NFI | 7 | 3 | 1.0003 | 0001355,0001530,etc |
| x ray luminosity function | XLF | 24 | 3 | 2.003135 | 0001376,0001076,etc |
| star formation history | SFH | 26 | 3 | 2.00174 | 0001468,0001055,etc |
| william herschel telescope | WHT | 22 | 3 | 2.000694 | 0001092,0001212,etc |
| local thermodynamic equilibrium | LTE | 9 | 3 | 1.000109 | 0001228,0001214,etc |
| short wavelength spectrometer | SWS | 39 | 3 | 1.000727 | 0001228,0001155,etc |
| isaac newton telescope | INT | 27 | 3 | 1.001425 | 0001228,0001212,etc |
| sloan digital sky survey | SDSS | 114 | 3 | 2.008926 | 0001061,0001393,etc |
| near infrared | NIR | 18 | 3 | 2.000346 | 0001173,0001270,etc |
| supermassive black hole | SMBH | 26 | 3 | 2.002058 | 0001264,0001263,etc |
| zero age horizontal branch | ZAHB | 32 | 3 | 2.000179 | 0001526,0001295,etc |
| single stellar population | SSP | 31 | 3 | 1.000868 | 0001072,0001093,etc |
| supernovae | SN | 94 | 3 | 2.006989 | 0001272,0001235,etc |
| optical module | OM | 22 | 3 | 1.001943 | 0001151,0001145,etc |
| proportional counter array | PCA | 15 | 3 | 2.000545 | 0001158,0001110,etc |
| black hole candidate | BHC | 58 | 3 | 2.002165 | 0001502,0001167,etc |
| polycyclic aromatic hydrocarbon | PAH | 24 | 3 | 2.000529 | 0001214,0001126,etc |
| zero age main sequence | ZAMS | 31 | 3 | 1.000496 | 0001295,0001157,etc |
| core helium burning | CHeB | 49 | 3 | 2.001257 | 0001295,0001434,etc |
| gamma ray bursts | GRB | 87 | 3 | 1.010534 | 0001501,0001436,etc |
| local supercluster | LS | 19 | 3 | 2.000293 | 0001390,0001140,etc |
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