J/ApJS/163/80 Ly{alpha} forest power spectrum from the SDSS (McDonald+, 2006) ================================================================================ The Ly{alpha} forest power spectrum from the Sloan Digital Sky Survey. McDonald P., Seljak U., Burles S., Schlegel D.J., Weinberg D.H., Cen R., Shih D., Schaye J., Schneider D.P., Bahcall N.A., Briggs J.W., Brinkmann J., Brunner R.J., Fukugita M., Gunn J.E., Ivezic Z., Kent S., Lupton R.H., Vanden Berk D.E. =2006ApJS..163...80M ================================================================================ ADC_Keywords: QSOs ; Spectroscopy Keywords: cosmology: observations - intergalactic medium - large-scale structure of universe - methods: data analysis - quasars: absorption lines Abstract: We measure the power spectrum, P_F_(k,z), of the transmitted flux in the Ly{alpha} forest using 3035 high-redshift quasar spectra from the Sloan Digital Sky Survey. This sample is almost 2 orders of magnitude larger than any previously available data set, yielding statistical errors of ~0.6% and ~0.005 on, respectively, the overall amplitude and logarithmic slope of P_F_(k,z). File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table3.dat 35 132 P_F_(k,z) results table4.dat 1596 132 P_F_(k,z) error covariance matrix -------------------------------------------------------------------------------- See also: http://www.sdss.org : SDSS Home Page Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 3 F3.1 --- z Redshift bin 5- 11 F7.5 s/km k Wavenumber bin 13- 18 F6.2 km/s PF Final Ly{alpha} power spectrum 20- 24 F5.2 km/s e_PF Uncertainty in PF 26- 30 F5.2 km/s PNoise Subtracted noise power 32- 35 F4.2 km/s PBack Subtracted background power -------------------------------------------------------------------------------- Byte-by-byte Description of file: table4.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 11 F11.8 km/s C0 ? Matrix coefficient Mi,0 13- 23 F11.8 km/s C1 ? Matrix coefficient Mi,1 25- 36 F12.9 km/s C2 ? Matrix coefficient Mi,2 38- 47 F10.8 km/s C3 ? Matrix coefficient Mi,3 49- 60 F12.9 km/s C4 ? Matrix coefficient Mi,4 62- 72 F11.8 km/s C5 ? Matrix coefficient Mi,5 74- 84 F11.8 km/s C6 ? Matrix coefficient Mi,6 86- 96 F11.8 km/s C7 ? Matrix coefficient Mi,7 98-109 F12.9 km/s C8 ? Matrix coefficient Mi,8 111-121 F11.8 km/s C9 ? Matrix coefficient Mi,9 123-133 F11.8 km/s C10 ? Matrix coefficient Mi,10 135-149 E15.8 km/s C11 ? Matrix coefficient Mi,11 151-161 F11.8 km/s C12 ? Matrix coefficient Mi,12 163-174 F12.9 km/s C13 ? Matrix coefficient Mi,13 176-190 E15.8 km/s C14 ? Matrix coefficient Mi,14 192-202 F11.8 km/s C15 ? Matrix coefficient Mi,15 204-215 F12.9 km/s C16 ? Matrix coefficient Mi,16 217-227 F11.8 km/s C17 ? Matrix coefficient Mi,17 229-239 F11.8 km/s C18 ? Matrix coefficient Mi,18 241-252 F12.9 km/s C19 ? Matrix coefficient Mi,19 254-265 F12.9 km/s C20 ? Matrix coefficient Mi,20 267-278 F12.9 km/s C21 ? Matrix coefficient Mi,21 280-291 F12.9 km/s C22 ? Matrix coefficient Mi,22 293-304 F12.9 km/s C23 ? Matrix coefficient Mi,23 306-317 F12.9 km/s C24 ? Matrix coefficient Mi,24 319-330 F12.9 km/s C25 ? Matrix coefficient Mi,25 332-342 F11.8 km/s C26 ? Matrix coefficient Mi,26 344-354 F11.8 km/s C27 ? Matrix coefficient Mi,27 356-367 F12.9 km/s C28 ? Matrix coefficient Mi,28 369-380 F12.9 km/s C29 ? Matrix coefficient Mi,29 382-393 F12.9 km/s C30 ? Matrix coefficient Mi,30 395-405 F11.8 km/s C31 ? Matrix coefficient Mi,31 407-418 F12.9 km/s C32 ? Matrix coefficient Mi,32 420-431 F12.9 km/s C33 ? Matrix coefficient Mi,33 433-444 F12.9 km/s C34 ? Matrix coefficient Mi,34 446-457 F12.9 km/s C35 ? Matrix coefficient Mi,35 459-468 F10.7 km/s C36 ? Matrix coefficient Mi,36 470-480 F11.8 km/s C37 ? Matrix coefficient Mi,37 482-493 F12.9 km/s C38 ? Matrix coefficient Mi,38 495-505 F11.8 km/s C39 ? Matrix coefficient Mi,39 507-517 F11.8 km/s C40 ? Matrix coefficient Mi,40 519-529 F11.8 km/s C41 ? Matrix coefficient Mi,41 531-541 F11.8 km/s C42 ? Matrix coefficient Mi,42 543-553 F11.8 km/s C43 ? Matrix coefficient Mi,43 555-566 F12.9 km/s C44 ? Matrix coefficient Mi,44 568-578 F11.8 km/s C45 ? Matrix coefficient Mi,45 580-591 F12.9 km/s C46 ? Matrix coefficient Mi,46 593-604 F12.9 km/s C47 ? Matrix coefficient Mi,47 606-617 F12.9 km/s C48 ? Matrix coefficient Mi,48 619-629 F11.8 km/s C49 ? Matrix coefficient Mi,49 631-641 F11.8 km/s C50 ? Matrix coefficient Mi,50 643-653 F11.8 km/s C51 ? Matrix coefficient Mi,51 655-665 F11.8 km/s C52 ? Matrix coefficient Mi,52 667-677 F11.8 km/s C53 ? Matrix coefficient Mi,53 679-689 F11.8 km/s C54 ? Matrix coefficient Mi,54 691-701 F11.8 km/s C55 ? Matrix coefficient Mi,55 703-713 F11.8 km/s C56 ? Matrix coefficient Mi,56 715-726 F12.9 km/s C57 ? Matrix coefficient Mi,57 728-739 F12.9 km/s C58 ? Matrix coefficient Mi,58 741-752 F12.9 km/s C59 ? Matrix coefficient Mi,59 754-763 F10.7 km/s C60 ? Matrix coefficient Mi,60 765-775 F11.8 km/s C61 ? Matrix coefficient Mi,61 777-787 F11.8 km/s C62 ? Matrix coefficient Mi,62 789-799 F11.8 km/s C63 ? Matrix coefficient Mi,63 801-812 F12.9 km/s C64 ? Matrix coefficient Mi,64 814-824 F11.8 km/s C65 ? Matrix coefficient Mi,65 826-836 F11.8 km/s C66 ? Matrix coefficient Mi,66 838-848 F11.8 km/s C67 ? Matrix coefficient Mi,67 850-860 F11.8 km/s C68 ? Matrix coefficient Mi,68 862-872 F11.8 km/s C69 ? Matrix coefficient Mi,69 874-885 F12.9 km/s C70 ? Matrix coefficient Mi,70 887-901 E15.8 km/s C71 ? Matrix coefficient Mi,71 903-912 F10.7 km/s C72 ? Matrix coefficient Mi,72 914-924 F11.8 km/s C73 ? Matrix coefficient Mi,73 926-935 F10.7 km/s C74 ? Matrix coefficient Mi,74 937-946 F10.7 km/s C75 ? Matrix coefficient Mi,75 948-957 F10.7 km/s C76 ? Matrix coefficient Mi,76 959-969 F11.8 km/s C77 ? Matrix coefficient Mi,77 971-981 F11.8 km/s C78 ? Matrix coefficient Mi,78 983-998 E16.9 km/s C79 ? Matrix coefficient Mi,79 1000-1010 F11.8 km/s C80 ? Matrix coefficient Mi,80 1012-1022 F11.8 km/s C81 ? Matrix coefficient Mi,81 1024-1034 F11.8 km/s C82 ? Matrix coefficient Mi,82 1036-1047 F12.9 km/s C83 ? Matrix coefficient Mi,83 1049-1059 F11.7 km/s C84 ? Matrix coefficient Mi,84 1061-1073 F13.9 km/s C85 ? Matrix coefficient Mi,85 1075-1084 F10.7 km/s C86 ? Matrix coefficient Mi,86 1086-1095 F10.7 km/s C87 ? Matrix coefficient Mi,87 1097-1106 F10.7 km/s C88 ? Matrix coefficient Mi,88 1108-1117 F10.7 km/s C89 ? Matrix coefficient Mi,89 1119-1128 F10.7 km/s C90 ? Matrix coefficient Mi,90 1130-1140 F11.8 km/s C91 ? Matrix coefficient Mi,91 1142-1152 F11.8 km/s C92 ? Matrix coefficient Mi,92 1154-1164 F11.8 km/s C93 ? Matrix coefficient Mi,93 1166-1176 F11.8 km/s C94 ? Matrix coefficient Mi,94 1178-1188 F11.8 km/s C95 ? Matrix coefficient Mi,95 1190-1199 F10.6 km/s C96 ? Matrix coefficient Mi,96 1201-1210 F10.6 km/s C97 ? Matrix coefficient Mi,97 1212-1222 F11.7 km/s C98 ? Matrix coefficient Mi,98 1224-1233 F10.7 km/s C99 ? Matrix coefficient Mi,99 1235-1246 F12.9 km/s C100 ? Matrix coefficient Mi,100 1248-1257 F10.7 km/s C101 ? Matrix coefficient Mi,101 1259-1268 F10.7 km/s C102 ? Matrix coefficient Mi,102 1270-1279 F10.7 km/s C103 ? Matrix coefficient Mi,103 1281-1291 F11.8 km/s C104 ? Matrix coefficient Mi,104 1293-1302 F10.7 km/s C105 ? Matrix coefficient Mi,105 1304-1313 F10.7 km/s C106 ? Matrix coefficient Mi,106 1315-1324 F10.7 km/s C107 ? Matrix coefficient Mi,107 1326-1335 F10.6 km/s C108 ? Matrix coefficient Mi,108 1337-1347 F11.7 km/s C109 ? Matrix coefficient Mi,109 1349-1358 F10.6 km/s C110 ? Matrix coefficient Mi,110 1360-1369 F10.6 km/s C111 ? Matrix coefficient Mi,111 1371-1381 F11.7 km/s C112 ? Matrix coefficient Mi,112 1383-1392 F10.7 km/s C113 ? Matrix coefficient Mi,113 1394-1403 F10.7 km/s C114 ? Matrix coefficient Mi,114 1405-1414 F10.7 km/s C115 ? Matrix coefficient Mi,115 1416-1425 F10.7 km/s C116 ? Matrix coefficient Mi,116 1427-1437 F11.8 km/s C117 ? Matrix coefficient Mi,117 1439-1448 F10.7 km/s C118 ? Matrix coefficient Mi,118 1450-1459 F10.7 km/s C119 ? Matrix coefficient Mi,119 1461-1471 F11.6 km/s C120 ? Matrix coefficient Mi,120 1473-1483 F11.6 km/s C121 ? Matrix coefficient Mi,121 1485-1493 F9.5 km/s C122 ? Matrix coefficient Mi,122 1495-1505 F11.7 km/s C123 ? Matrix coefficient Mi,123 1507-1516 F10.6 km/s C124 ? Matrix coefficient Mi,124 1518-1527 F10.6 km/s C125 ? Matrix coefficient Mi,125 1529-1539 F11.7 km/s C126 ? Matrix coefficient Mi,126 1541-1551 F11.7 km/s C127 ? Matrix coefficient Mi,127 1553-1563 F11.7 km/s C128 ? Matrix coefficient Mi,128 1565-1574 F10.6 km/s C129 ? Matrix coefficient Mi,129 1576-1585 F10.6 km/s C130 ? Matrix coefficient Mi,130 1587-1596 F10.7 km/s C131 ? Matrix coefficient Mi,131 -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Greg Schwarz [AAS], Marianne Brouty [CDS] 26-Jul-2007