| advanced camera for surveys | ACS | 88 | 10 | 2.001464 | 0407164,0407644,etc |
| wide field camera | WFC | 26 | 9 | 1.000921 | 0407157,0407209,etc |
| inverse compton | IC | 76 | 8 | 1.001636 | 0407641,0407333,etc |
| astrophysical research consortium | ARC | 9 | 8 | 1.000077 | 0407594,0407520,etc |
| kolmogorov smirnov | K-S | 31 | 7 | 1.000494 | 0407168,0407010,etc |
| proportional counter array | PCA | 51 | 7 | 2.002615 | 0407470,0407025,etc |
| max planck institute for astronomy | MPIA | 7 | 7 | 1.000028 | 0407594,0407071,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 |
| space telescope imaging spectrograph | STIS | 54 | 5 | 1.000643 | 0407363,0407273,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 |
| full width half maximum | FWHM | 38 | 5 | 2.000658 | 0407563,0407464,etc |
| monte carlo markov chain | MCMC | 29 | 4 | 2.000537 | 0407201,0407198,etc |
| line of sight velocity distribution | LOSVD | 92 | 4 | 2.008226 | 0407383,0407219,etc |
| signal to noise | S/N | 26 | 4 | 1.000273 | 0407363,0407373,etc |
| submillimeter array | SMA | 18 | 4 | 2.000844 | 0407384,0407337,etc |
| the red giant branch | TRGB | 99 | 4 | 2.003648 | 0407057,0407391,etc |
| integral science data center | ISDC | 7 | 4 | 1.000878 | 0407350,0407264,etc |
| nasa extragalactic database | NED | 16 | 4 | 1.000466 | 0407237,0407552,etc |
| wolf rayet | WR | 76 | 4 | 2.004754 | 0407567,0407202,etc |
| kelvin helmholtz | KH | 52 | 4 | 2.001039 | 0407596,0407368,etc |
| hertzsprung russell | HR | 18 | 4 | 1.000386 | 0407559,0407344,etc |
| sunyaev zel'dovich | SZ | 188 | 4 | 2.002808 | 0407090,0407089,etc |
| dwarf spheroidal | dSph | 82 | 4 | 2.002295 | 0407117,0407465,etc |
| near infrared camera and multi object spectrometer | NICMOS | 12 | 3 | 1.000342 | 0407577,0407493,etc |
| advanced ccd imaging spectrometer | ACIS | 42 | 3 | 2.004061 | 0407030,0407593,etc |
| photo multiplier tube | PMT | 60 | 3 | 2.001085 | 0407044,0407118,etc |
| innermost stable circular orbit | ISCO | 17 | 3 | 1.000141 | 0407470,0407560,etc |
| european photon imaging camera | EPIC | 27 | 3 | 2.003146 | 0407601,0407347,etc |
| power density spectra | PDS | 72 | 3 | 2.002569 | 0407025,0407076,etc |
| black hole binaries | BHB | 17 | 3 | 1.000389 | 0407374,0407308,etc |
| hardness ratio | HR | 12 | 3 | 1.000229 | 0407374,0407264,etc |
| friedmann robertson walker | FRW | 5 | 3 | 1.000346 | 0407646,0407497,etc |
| reflection grating spectrometer | RGS | 23 | 3 | 2.000497 | 0407140,0407484,etc |
| 2 micron all sky survey | 2MASS | 13 | 3 | 2.000402 | 0407284,0407391,etc |
| position velocity | PV | 23 | 3 | 1.001238 | 0407276,0407102,etc |
| photon dominated region | PDR | 12 | 3 | 2.002407 | 0407167,0407390,etc |
| science analysis system | SAS | 7 | 3 | 1.000462 | 0407401,0407347,etc |
| high frequency quasi periodic oscillation | HFQPO | 28 | 3 | 2.000735 | 0407642,0407179,etc |
| einstein de sitter | EdS | 51 | 3 | 2.000213 | 0407377,0407170,etc |
| cosmic infrared background | CIRB | 42 | 3 | 2.002501 | 0407099,0407639,etc |
| accelerated lambda iteration | ALI | 7 | 3 | 1.000155 | 0407607,0407518,etc |
| synchrotron self compton | SSC | 15 | 3 | 2.000446 | 0407016,0407442,etc |
| proportional counter unit | PCU | 14 | 3 | 1.000396 | 0407453,0407262,etc |