| active galactic nucleus | AGN | 725 | 43 | 2.004042 | 0407511,0407383,etc |
| cosmic microwave background | CMB | 381 | 33 | 1.002047 | 0407561,0407198,etc |
| gamma ray burst | GRB | 1385 | 32 | 2.009164 | 0407359,0407126,etc |
| point spread function | PSF | 402 | 31 | 2.003092 | 0407033,0407610,etc |
| interstellar medium | ISM | 265 | 27 | 2.002992 | 0407363,0407240,etc |
| nasa/ipac extragalactic database | NED | 49 | 24 | 1.000338 | 0407310,0407157,etc |
| spectral energy distribution | SED | 237 | 22 | 2.002955 | 0407183,0407200,etc |
| star formation rate | SFR | 442 | 21 | 1.003124 | 0407446,0407180,etc |
| initial mass function | IMF | 242 | 21 | 1.004823 | 0407140,0407584,etc |
| sloan digital sky survey | SDSS | 377 | 19 | 1.002926 | 0407595,0407237,etc |
| asymptotic giant branch | AGB | 194 | 18 | 1.003644 | 0407568,0407033,etc |
| planetary nebula | PN | 657 | 17 | 2.008264 | 0407568,0407033,etc |
| hubble space telescope | HST | 132 | 17 | 1.001894 | 0407383,0407644,etc |
| field of view | FoV | 69 | 16 | 1.001755 | 0407126,0407374,etc |
| intergalactic medium | IGM | 184 | 16 | 2.001861 | 0407378,0407140,etc |
| supernova | SN | 655 | 16 | 2.005746 | 0407378,0407327,etc |
| cold dark matter | CDM | 128 | 15 | 1.001405 | 0407600,0407353,etc |
| infrared | IR | 293 | 13 | 2.00323 | 0407561,0407241,etc |
| large magellanic cloud | LMC | 195 | 13 | 1.004492 | 0407301,0407210,etc |
| signal to noise ratio | S/N | 55 | 12 | 1.000584 | 0407237,0407284,etc |
| very large array | VLA | 61 | 11 | 2.000994 | 0407157,0407511,etc |
| luminosity function | LF | 280 | 11 | 2.002726 | 0407446,0407140,etc |
| full width at half maximum | FWHM | 70 | 11 | 1.001037 | 0407610,0407363,etc |
| supernova remnant | SNR | 468 | 11 | 2.007156 | 0407180,0407140,etc |
| near infrared | NIR | 107 | 11 | 2.003899 | 0407264,0407078,etc |
| black hole | BH | 469 | 10 | 2.00599 | 0407561,0407168,etc |
| far infrared | FIR | 152 | 10 | 1.001278 | 0407511,0407140,etc |
| advanced camera for surveys | ACS | 88 | 10 | 2.001464 | 0407164,0407644,etc |
| wide field camera | WFC | 26 | 9 | 1.000921 | 0407157,0407209,etc |
| supermassive black hole | SMBH | 130 | 9 | 1.003779 | 0407560,0407045,etc |
| australia telescope compact array | ATCA | 104 | 9 | 1.002156 | 0407010,0407078,etc |
| young stellar object | YSO | 182 | 9 | 1.002797 | 0407410,0407167,etc |
| inverse compton | IC | 76 | 8 | 1.001636 | 0407641,0407333,etc |
| equivalent width | EW | 99 | 8 | 1.001818 | 0407258,0407237,etc |
| astrophysical research consortium | ARC | 9 | 8 | 1.000077 | 0407594,0407520,etc |
| polycyclic aromatic hydrocarbon | PAH | 70 | 8 | 1.001952 | 0407469,0407213,etc |
| advection dominated accretion flow | ADAF | 73 | 7 | 1.00151 | 0407561,0407183,etc |
| small magellanic cloud | SMC | 120 | 7 | 2.00304 | 0407033,0407301,etc |
| two micron all sky survey | 2MASS | 50 | 7 | 1.001839 | 0407565,0407467,etc |
| low mass x ray binary | LMXB | 96 | 7 | 2.001811 | 0407168,0407180,etc |
| kolmogorov smirnov | K-S | 31 | 7 | 1.000494 | 0407168,0407010,etc |
| proportional counter array | PCA | 51 | 7 | 2.002615 | 0407470,0407025,etc |
| target of opportunity | ToO | 40 | 7 | 1.001118 | 0407374,0407264,etc |
| neutron star | NS | 122 | 7 | 2.006704 | 0407054,0407062,etc |
| max planck institute for astronomy | MPIA | 7 | 7 | 1.000028 | 0407594,0407071,etc |
| max planck institute for astrophysics | MPA | 7 | 7 | 1.000028 | 0407594,0407071,etc |
| large scale structure | LSS | 42 | 7 | 1.000854 | 0407259,0407353,etc |
| main sequence | MS | 83 | 6 | 2.001232 | 0407033,0407054,etc |
| infrared space observatory | ISO | 101 | 6 | 1.00251 | 0407261,0407140,etc |
| dark matter | DM | 148 | 6 | 2.003663 | 0407111,0407646,etc |
| intra cluster medium | ICM | 63 | 6 | 2.002009 | 0407021,0407278,etc |
| hubble deep field north | HDF-N | 27 | 6 | 1.000424 | 0407577,0407644,etc |
| simple stellar population | SSP | 43 | 6 | 2.002438 | 0407610,0407131,etc |
| equation of state | EOS | 40 | 6 | 1.001389 | 0407497,0407642,etc |
| white dwarf | WD | 242 | 6 | 2.009438 | 0407054,0407355,etc |
| globular cluster | GC | 587 | 6 | 2.006653 | 0407054,0407373,etc |
| color magnitude diagram | CMD | 88 | 6 | 2.002498 | 0407054,0407567,etc |
| broad line region | BLR | 92 | 6 | 2.001798 | 0407297,0407181,etc |
| smoothed particle hydrodynamics | SPH | 51 | 6 | 2.000505 | 0407247,0407058,etc |
| red giant branch | RGB | 57 | 6 | 2.002544 | 0407524,0407559,etc |
| adaptive optics | AO | 142 | 6 | 2.002804 | 0407139,0407334,etc |
| very large telescope | VLT | 19 | 5 | 2.000563 | 0407192,0407131,etc |
| cross correlation function | CCF | 104 | 5 | 2.00438 | 0407610,0407373,etc |
| very long baseline interferometry | VLBI | 43 | 5 | 2.00126 | 0407161,0407410,etc |
| space telescope imaging spectrograph | STIS | 54 | 5 | 1.000643 | 0407363,0407273,etc |
| lyman break galaxy | LBG | 101 | 5 | 1.005094 | 0407517,0407378,etc |
| kitt peak national observatory | KPNO | 9 | 5 | 1.000185 | 0407644,0407297,etc |
| probability density function | PDF | 22 | 5 | 1.000786 | 0407644,0407072,etc |
| wide field planetary camera 2 | WFPC2 | 59 | 5 | 2.001622 | 0407467,0407520,etc |
| all sky monitor | ASM | 24 | 5 | 2.000805 | 0407277,0407448,etc |
| narrow line seyfert 1 galaxy | NLS1 | 108 | 5 | 2.005708 | 0407160,0407181,etc |
| intracluster medium | ICM | 143 | 5 | 2.00262 | 0407284,0407596,etc |
| full width half maximum | FWHM | 38 | 5 | 2.000658 | 0407563,0407464,etc |
| wilkinson microwave anisotropy probe | WMAP | 69 | 5 | 2.00176 | 0407432,0407543,etc |
| wide field imager | WFI | 14 | 5 | 1.002883 | 0407216,0407514,etc |
| position angle | PA | 68 | 4 | 2.000801 | 0407568,0407556,etc |
| monte carlo markov chain | MCMC | 29 | 4 | 2.000537 | 0407201,0407198,etc |
| isaac newton telescope | INT | 23 | 4 | 2.00023 | 0407113,0407426,etc |
| line of sight velocity distribution | LOSVD | 92 | 4 | 2.008226 | 0407383,0407219,etc |
| mass function | MF | 201 | 4 | 2.002292 | 0407610,0407553,etc |
| signal to noise | S/N | 26 | 4 | 1.000273 | 0407363,0407373,etc |
| local standard of rest | LSR | 22 | 4 | 1.000471 | 0407363,0407557,etc |
| submillimeter array | SMA | 18 | 4 | 2.000844 | 0407384,0407337,etc |
| the red giant branch | TRGB | 99 | 4 | 2.003648 | 0407057,0407391,etc |
| fourier transform spectrometer | FTS | 18 | 4 | 1.000568 | 0407303,0407332,etc |
| black holes | BH | 63 | 4 | 1.003554 | 0407374,0407308,etc |
| cosmic x ray background | CXB | 34 | 4 | 2.001357 | 0407481,0407401,etc |
| probability distribution function | PDF | 129 | 4 | 2.002315 | 0407496,0407214,etc |
| integral science data center | ISDC | 7 | 4 | 1.000878 | 0407350,0407264,etc |
| nasa extragalactic database | NED | 16 | 4 | 1.000466 | 0407237,0407552,etc |
| star formation | SF | 261 | 4 | 2.004849 | 0407140,0407110,etc |
| x ray background | XRB | 45 | 4 | 2.001939 | 0407140,0407078,etc |
| rossi x ray timing explorer | RXTE | 16 | 4 | 2.000475 | 0407277,0407155,etc |
| wolf rayet | WR | 76 | 4 | 2.004754 | 0407567,0407202,etc |
| quasi periodic oscillation | QPO | 217 | 4 | 2.007687 | 0407612,0407179,etc |
| kelvin helmholtz | KH | 52 | 4 | 2.001039 | 0407596,0407368,etc |
| astronomical image processing system | AIPS | 13 | 4 | 1.000575 | 0407516,0407337,etc |
| ultraviolet | UV | 99 | 4 | 2.002261 | 0407519,0407543,etc |
| hertzsprung russell | HR | 18 | 4 | 1.000386 | 0407559,0407344,etc |
| singular isothermal sphere | SIS | 98 | 4 | 2.001533 | 0407298,0407533,etc |
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