| spectral energy distribution | SED | 338 | 41 | 2.001233 | 0504492,0504219,etc |
| active galactic nucleus | AGN | 901 | 40 | 2.003576 | 0504511,0504381,etc |
| interstellar medium | ISM | 441 | 38 | 2.001696 | 0504008,0504247,etc |
| supernova | SN | 1515 | 37 | 1.00903 | 0504202,0504008,etc |
| gamma ray burst | GRB | 1303 | 36 | 1.008832 | 0504610,0504592,etc |
| cosmic microwave background | CMB | 355 | 30 | 2.003047 | 0504610,0504017,etc |
| point spread function | PSF | 337 | 29 | 1.003492 | 0504565,0504592,etc |
| sloan digital sky survey | SDSS | 401 | 27 | 1.003077 | 0504402,0504477,etc |
| star formation rate | SFR | 480 | 26 | 2.00276 | 0504202,0504565,etc |
| initial mass function | IMF | 314 | 21 | 2.001668 | 0504202,0504204,etc |
| signal to noise ratio | S/N | 122 | 19 | 1.000967 | 0504008,0504048,etc |
| near infrared | NIR | 147 | 18 | 1.002837 | 0504373,0504492,etc |
| supernova remnant | SNR | 472 | 17 | 2.005455 | 0504247,0504229,etc |
| nasa/ipac extragalactic database | NED | 39 | 16 | 1.000298 | 0504229,0504412,etc |
| intergalactic medium | IGM | 140 | 16 | 1.002533 | 0504347,0504440,etc |
| cold dark matter | CDM | 121 | 15 | 2.002711 | 0504477,0504519,etc |
| luminosity function | LF | 377 | 14 | 2.006872 | 0504348,0504627,etc |
| equivalent width | EW | 136 | 14 | 2.001059 | 0504283,0504119,etc |
| hubble space telescope | HST | 93 | 13 | 1.001269 | 0504373,0504565,etc |
| very large array | VLA | 128 | 13 | 2.001659 | 0504229,0504363,etc |
| young stellar object | YSO | 90 | 13 | 1.00087 | 0504204,0504176,etc |
| infrared | IR | 681 | 13 | 2.009137 | 0504379,0504622,etc |
| astrophysical research consortium | ARC | 18 | 13 | 1.000095 | 0504581,0504382,etc |
| large magellanic cloud | LMC | 189 | 11 | 1.004697 | 0504592,0504379,etc |
| dark matter | DM | 130 | 11 | 2.002098 | 0504571,0504303,etc |
| color magnitude diagram | CMD | 133 | 10 | 2.001894 | 0504627,0504439,etc |
| max planck institute for astronomy | MPIA | 11 | 10 | 1.00007 | 0504581,0504319,etc |
| max planck institute for astrophysics | MPA | 11 | 10 | 1.00007 | 0504581,0504319,etc |
| lyman break galaxy | LBG | 265 | 9 | 2.005545 | 0504373,0504202,etc |
| very large telescope | VLT | 39 | 9 | 2.000601 | 0504373,0504402,etc |
| full width at half maximum | FWHM | 29 | 9 | 1.000544 | 0504592,0504330,etc |
| ultraviolet | UV | 251 | 9 | 2.00514 | 0504592,0504347,etc |
| main sequence | MS | 130 | 9 | 2.001124 | 0504326,0504627,etc |
| kolmogorov smirnov | KS | 54 | 9 | 2.000633 | 0504470,0504355,etc |
| advanced camera for surveys | ACS | 65 | 8 | 1.001173 | 0504373,0504164,etc |
| black hole | BH | 460 | 8 | 2.011169 | 0504202,0504203,etc |
| signal to noise | S/N | 47 | 8 | 1.000936 | 0504008,0504181,etc |
| field of view | FOV | 23 | 8 | 1.000605 | 0504393,0504041,etc |
| cosmic microwave background radiation | CMBR | 60 | 8 | 1.00156 | 0504365,0504120,etc |
| red giant branch | RGB | 109 | 8 | 1.001521 | 0504164,0504281,etc |
| inverse compton | IC | 85 | 8 | 1.001564 | 0504120,0504602,etc |
| local thermodynamic equilibrium | LTE | 63 | 7 | 1.001896 | 0504377,0504413,etc |
| giant molecular cloud | GMC | 47 | 7 | 2.001088 | 0504064,0504604,etc |
| smoothed particle hydrodynamics | SPH | 37 | 7 | 1.000697 | 0504156,0504394,etc |
| cosmic ray | CR | 194 | 7 | 2.002458 | 0504313,0504155,etc |
| space telescope imaging spectrograph | STIS | 86 | 7 | 2.001854 | 0504540,0504382,etc |
| position angle | PA | 38 | 6 | 2.000337 | 0504492,0504326,etc |
| magnetohydrodynamic | MHD | 41 | 6 | 1.001627 | 0504181,0504030,etc |
| small magellanic cloud | SMC | 84 | 6 | 1.001829 | 0504592,0504440,etc |
| large scale structure | LSS | 27 | 6 | 2.001181 | 0504017,0504084,etc |
| two micron all sky survey | 2MASS | 62 | 6 | 1.001817 | 0504176,0504559,etc |
| ultraluminous infrared galaxy | ULIRG | 66 | 6 | 2.002142 | 0504412,0504208,etc |
| asymptotic giant branch | AGB | 157 | 6 | 2.00303 | 0504326,0504379,etc |
| canada france hawaii telescope | CFHT | 40 | 6 | 2.000578 | 0504393,0504335,etc |
| intracluster medium | ICM | 66 | 6 | 2.001022 | 0504350,0504413,etc |
| adaptive optics | AO | 98 | 6 | 2.003024 | 0504658,0504352,etc |
| advanced ccd imaging spectrometer | ACIS | 55 | 6 | 1.002545 | 0504622,0504609,etc |
| equation of state | EOS | 102 | 6 | 2.003876 | 0504518,0504572,etc |
| gamma ray bursts | GRB | 144 | 6 | 2.004687 | 0504331,0504554,etc |
| high mass x ray binary | HMXB | 39 | 6 | 2.001754 | 0504388,0504284,etc |
| infrared spectrograph | IRS | 116 | 5 | 1.0051 | 0504336,0504431,etc |
| intra cluster medium | ICM | 67 | 5 | 2.002974 | 0504008,0504092,etc |
| far infrared | FIR | 134 | 5 | 2.004306 | 0504204,0504500,etc |
| two dimensional | 2D | 58 | 5 | 1.002032 | 0504444,0504393,etc |
| isaac newton telescope | INT | 59 | 5 | 2.001293 | 0504236,0504044,etc |
| proportional counter array | PCA | 19 | 5 | 1.000448 | 0504101,0504182,etc |
| astronomical image processing system | AIPS | 9 | 5 | 1.000334 | 0504176,0504671,etc |
| very long baseline interferometry | VLBI | 84 | 5 | 2.001741 | 0504671,0504541,etc |
| particle mesh | PM | 339 | 5 | 2.012849 | 0504095,0504530,etc |
| power density spectra | PDS | 137 | 5 | 2.002992 | 0504018,0504469,etc |
| general relativity | GR | 37 | 5 | 2.001452 | 0504365,0504418,etc |
| brightest cluster galaxy | BCG | 40 | 5 | 2.002289 | 0504413,0504459,etc |
| globular cluster | GC | 318 | 5 | 1.006499 | 0504313,0504627,etc |
| root mean square | RMS | 30 | 5 | 2.000961 | 0504530,0504661,etc |
| pulsar wind nebula | PWN | 155 | 5 | 2.005002 | 0504609,0504120,etc |
| very high energy | VHE | 74 | 5 | 1.003178 | 0504120,0504515,etc |
| supermassive black hole | SBH | 60 | 5 | 2.002348 | 0504422,0504208,etc |
| broad line region | BLR | 109 | 5 | 2.002652 | 0504568,0504484,etc |
| narrow line seyfert 1 galaxy | NLSy1 | 31 | 5 | 2.003061 | 0504208,0504168,etc |
| infrared space observatory | ISO | 24 | 5 | 2.000586 | 0504604,0504304,etc |
| radial velocity | RV | 72 | 5 | 1.003771 | 0504162,0504428,etc |
| milky way | MW | 56 | 5 | 1.001527 | 0504050,0504408,etc |
| large velocity gradient | LVG | 24 | 4 | 1.001422 | 0504377,0504569,etc |
| far ultraviolet | FUV | 69 | 4 | 2.001077 | 0504373,0504382,etc |
| friedmann robertson walker | FRW | 7 | 4 | 1.000234 | 0504192,0504519,etc |
| damped lyman | DLA | 76 | 4 | 2.009335 | 0504565,0504402,etc |
| apache point observatory | APO | 16 | 4 | 2.000388 | 0504565,0504382,etc |
| polycyclic aromatic hydrocarbon | PAH | 64 | 4 | 1.004287 | 0504336,0504379,etc |
| simple stellar population | SSP | 42 | 4 | 2.001252 | 0504008,0504494,etc |
| north galactic pole | NGP | 14 | 4 | 1.000155 | 0504477,0504217,etc |
| dwarf spheroidal | dSph | 72 | 4 | 2.006747 | 0504239,0504270,etc |
| rayleigh taylor | RT | 14 | 4 | 1.000294 | 0504492,0504435,etc |
| luminous blue variable | LBV | 27 | 4 | 2.00066 | 0504475,0504028,etc |
| soft gamma repeater | SGR | 58 | 4 | 2.005729 | 0504363,0504360,etc |
| wide field camera | WFC | 28 | 4 | 1.001539 | 0504236,0504602,etc |
| rossi x ray timing explorer | RXTE | 37 | 4 | 2.001467 | 0504101,0504577,etc |
| proportional counter unit | PCU | 11 | 4 | 1.000334 | 0504101,0504144,etc |
| wolf rayet | WR | 29 | 4 | 2.002414 | 0504163,0504440,etc |
| intermediate polar | IP | 54 | 4 | 2.00191 | 0504150,0504414,etc |
| high energy transmission grating | HETG | 23 | 4 | 2.000391 | 0504559,0504187,etc |
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