| 1 | tully fisher | TF | 494 | 10 | 2.004687 | 9909064,9909120,etc |
| 2 | proportional counter array | PCA | 47 | 8 | 1.000688 | 9909388,9909239,etc |
| 3 | low surface brightness | LSB | 280 | 7 | 2.006678 | 9909120,9909129,etc |
| 4 | rosat all sky survey | RASS | 41 | 6 | 2.00152 | 9909451,9909390,etc |
| 5 | high surface brightness | HSB | 105 | 6 | 1.002336 | 9909129,9909401,etc |
| 6 | all sky monitor | ASM | 25 | 5 | 2.001017 | 9909388,9909449,etc |
| 7 | particle mesh | PM | 21 | 4 | 2.000719 | 9909279,9909057,etc |
| 8 | burst and transient source experiment | BATSE | 27 | 4 | 1.000321 | 9909388,9909002,etc |
| 9 | high energy x ray timing experiment | HEXTE | 9 | 4 | 1.000181 | 9909388,9909239,etc |
| 10 | proportional counter unit | PCU | 21 | 4 | 1.0006 | 9909388,9909023,etc |
| 11 | star formation history | SFH | 101 | 4 | 2.001487 | 9909402,9909401,etc |
| 12 | wide field planetary camera 2 | WFPC2 | 28 | 4 | 1.000848 | 9909260,9909371,etc |
| 13 | full widths at half maximum | FWHM | 20 | 3 | 1.000639 | 9909053,9909316,etc |
| 14 | low resolution imaging spectrograph | LRIS | 17 | 3 | 1.00037 | 9909476,9909360,etc |
| 15 | gas imaging spectrometer | GIS | 28 | 3 | 1.000993 | 9909243,9909274,etc |
| 16 | hubble deep field south | HDF-S | 12 | 3 | 1.002708 | 9909045,9909095,etc |
| 17 | nearby optical galaxy | NOG | 51 | 3 | 2.005565 | 9909444,9909255,etc |
| 18 | period luminosity | PL | 10 | 3 | 1.000347 | 9909198,9909260,etc |
| 19 | photodissociation region | PDR | 9 | 3 | 1.000185 | 9909496,9909327,etc |
| 20 | double imaging spectrograph | DIS | 4 | 3 | 1.000111 | 9909263,9909169,etc |
| 21 | zero age hb | ZAHB | 21 | 3 | 1.001018 | 9909289,9909371,etc |
| 22 | standard cdm | SCDM | 22 | 3 | 1.000723 | 9909273,9909126,etc |
| 23 | intra cluster medium | ICM | 33 | 3 | 1.000926 | 9909180,9909259,etc |