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Plate Browser
Each spectroscopic plate has 640 spectra, observed simultaneously. The plate itself is made of aluminum, with a tiny hole at the position of each object to be observed. We plug an optical fiber into each hole. The other end of the fibers leads the light into the spectrograph. The figure below shows where each fiber has plugged in to the plate. The table below gives a list of all the objects in the plate by fiber number, type, and redshift. Clicking on any entry will bring up a picture of the corresponding object's spectrum.
This page gives you easy access to GIF images of individual spectra on a given plate. Select a plate on the form below, then click on an entry to see the object's spectrum. For each spectrum, there is also a link to its corresponding object in the image catalog (PhotoObj) that takes you to the Explorer page (see Visual Tools) for that object. If you want to use these images on your website, please feel free to do so, but give us an acknowledgement.
Plate

 [214] GALAXY z=0.146 [225] QSO z=1.617 [197] STAR z=0.001 [473] GALAXY z=0.144
 [476] GALAXY z=0.203 [489] GALAXY z=0.036 [170] GALAXY z=0.369 [157] GALAXY z=0.022
 [153] GALAXY z=0.389 [051] GALAXY z=0.065 [558] GALAXY z=0.143 [078] GALAXY z=0.063
 [547] GALAXY z=0.063 [601] GALAXY z=0.154 [594] GALAXY z=0.370 [312] GALAXY z=0.124
 [307] GALAXY z=0.120 [265] GALAXY z=0.036 [243] GALAXY z=0.061 [209] GALAXY z=0.147
 [215] GALAXY z=0.022 [211] GALAXY z=0.099 [195] GALAXY z=0.156 [134] GALAXY z=0.369
 [100] GALAXY z=0.005 [083] GALAXY z=0.068 [166] GALAXY z=0.063 [052] GALAXY z=0.206
 [159] GALAXY z=0.129 [525] GALAXY z=0.027 [544] GALAXY z=0.451 [009] GALAXY z=0.448
 [061] GALAXY z=0.125 [606] GALAXY z=0.162 [617] HIZ_QSO z=3.878 [296] GALAXY z=0.130
 [317] GALAXY z=0.153 [254] GALAXY z=0.126 [258] GALAXY z=0.147 [371] GALAXY z=0.198
 [432] GALAXY z=0.123 [216] GALAXY z=0.068 [122] GALAXY z=0.142 [126] QSO z=0.517
 [091] GALAXY z=0.374 [165] GALAXY z=0.090 [460] GALAXY z=0.123 [501] GALAXY z=0.145
 [046] SKY z=-9999 [532] GALAXY z=0.020 [566] QSO z=1.998 [080] QSO z=1.771
 [018] GALAXY z=0.085 [005] QSO z=2.828 [600] GALAXY z=0.062 [331] GALAXY z=0.047
 [320] GALAXY z=0.483 [272] GALAXY z=0.090 [381] GALAXY z=0.410 [223] GALAXY z=0.146
 [425] GALAXY z=0.467 [238] QSO z=1.586 [422] GALAXY z=0.027 [200] QSO z=0.289
 [413] GALAXY z=0.037 [451] GALAXY z=0.437 [492] GALAXY z=0.243 [521] GALAXY z=0.418
 [149] STAR_LAT z=-0.00 [043] STAR z=0.000 [120] GALAXY z=0.069 [565] GALAXY z=0.086
 [071] GALAXY z=0.125 [038] STAR z=0.000 [028] GALAXY z=0.204 [340] SKY z=-9999
 [356] GALAXY z=0.336 [275] STAR z=0.000 [391] GALAXY z=0.123 [361] GALAXY z=0.450
 [204] GALAXY z=0.149 [219] GALAXY z=0.143 [196] GALAXY z=0.128 [131] GALAXY z=0.143
 [175] GALAXY z=0.126 [458] GALAXY z=0.122 [167] GALAXY z=0.091 [507] GALAXY z=0.147
 [150] SKY z=-9999 [102] GALAXY z=0.127 [579] GALAXY z=0.335 [542] GALAXY z=0.085
 [583] GALAXY z=0.126 [013] GALAXY z=0.097 [621] GALAXY z=0.104 [310] GALAXY z=0.484
 [293] GALAXY z=0.151 [261] GALAXY z=0.121 [327] GALAXY z=0.136 [203] GALAXY z=0.143
 [240] GALAXY z=0.030 [439] GALAXY z=0.123 [365] STAR z=-0.00 [182] GALAXY z=0.517
 [478] GALAXY z=0.440 [457] GALAXY z=0.124 [168] GALAXY z=0.067 [155] GALAXY z=0.022
 [519] GALAXY z=0.120 [042] GALAXY z=0.098 [570] STAR z=0.000 [574] GALAXY z=0.006
 [586] GALAXY z=0.338 [585] SKY z=-9999 [634] GALAXY z=0.070 [294] QSO z=1.167
 [332] QSO z=0.445 [268] GALAXY z=0.147 [244] GALAXY z=0.148 [210] GALAXY z=0.346
 [380] QSO z=0.695 [438] GALAXY z=0.025 [135] GALAXY z=0.145 [408] GALAXY z=0.124
 [461] GALAXY z=0.036 [452] QSO z=2.535 [449] GALAXY z=0.242 [158] GALAXY z=0.036
 [538] UNKNOWN z=1.062 [041] GALAXY z=0.065 [575] GALAXY z=0.086 [569] GALAXY z=0.087
 [065] GALAXY z=0.083 [025] GALAXY z=0.135 [622] GALAXY z=0.065 [358] GALAXY z=0.126
 [341] GALAXY z=0.098 [330] GALAXY z=0.147 [387] GALAXY z=0.006 [227] GALAXY z=0.063
 [202] GALAXY z=0.148 [373] GALAXY z=0.063 [127] SKY z=-9999 [475] GALAXY z=0.145
 [471] STAR z=0.000 [484] SKY z=-9999 [442] GALAXY z=0.122 [536] GALAXY z=0.418
 [502] GALAXY z=0.191 [529] GALAXY z=0.577 [101] GALAXY z=0.459 [559] STAR z=0.001
 [595] GALAXY z=0.063 [596] GALAXY z=0.070 [625] GALAXY z=0.063 [347] STAR_LAT z=0.000
 [306] GALAXY z=0.205 [266] GALAXY z=0.091 [255] GALAXY z=0.218 [390] STAR z=-0.00
 [379] GALAXY z=0.135 [431] STAR z=0.000 [198] GALAXY z=0.123 [464] GALAXY z=0.030
 [411] GALAXY z=0.123 [081] GALAXY z=0.128 [482] GALAXY z=0.194 [503] GALAXY z=0.147
 [504] GALAXY z=0.058 [118] SKY z=-9999 [561] GALAXY z=0.128 [573] GALAXY z=0.162
 [016] GALAXY z=0.127 [610] GALAXY z=0.335 [626] GALAXY z=0.086 [311] GALAXY z=0.221
 [351] QSO z=1.478 [241] GALAXY z=0.147 [269] GALAXY z=0.366 [370] GALAXY z=0.057
 [234] STAR z=-0.00 [237] GALAXY z=0.145 [192] GALAXY z=0.128 [470] GALAXY z=0.143
 [088] SKY z=-9999 [098] STAR z=0.000 [455] SKY z=-9999 [445] STAR z=-0.00
 [511] GALAXY z=0.144 [055] GALAXY z=0.061 [549] GALAXY z=0.211 [572] GALAXY z=0.262
 [582] GALAXY z=0.124 [599] GALAXY z=0.070 [627] STAR z=0.000 [355] GALAXY z=0.122
 [292] GALAXY z=0.090 [270] SKY z=-9999 [274] GALAXY z=0.127 [385] GALAXY z=0.156
 [230] GALAXY z=0.098 [430] GALAXY z=0.025 [409] STAR_LAT z=0.000 [467] GALAXY z=0.030
 [415] GALAXY z=0.122 [090] GALAXY z=0.204 [085] GALAXY z=0.114 [523] GALAXY z=0.128
 [056] STAR z=0.001 [017] GALAXY z=0.065 [555] SKY z=-9999 [577] GALAXY z=0.124
 [589] GALAXY z=0.037 [620] STAR z=-0.00 [629] STAR z=0.000 [318] GALAXY z=0.148
 [334] GALAXY z=0.089 [253] GALAXY z=0.149 [251] GALAXY z=0.461 [426] GALAXY z=0.156
 [221] GALAXY z=0.063 [372] GALAXY z=0.164 [124] HIZ_QSO z=2.376 [472] GALAXY z=0.127
 [084] GALAXY z=0.066 [099] UNKNOWN z=0.004 [044] GALAXY z=0.155 [154] GALAXY z=0.054
 [512] GALAXY z=0.049 [110] GALAXY z=0.130 [073] GALAXY z=0.125 [072] GALAXY z=0.022
 [011] GALAXY z=0.121 [032] STAR z=-0.00 [350] GALAXY z=0.098 [349] GALAXY z=0.062
 [342] GALAXY z=0.091 [280] HIZ_QSO z=2.567 [231] GALAXY z=0.091 [033] GALAXY z=0.084
 [220] GALAXY z=0.402 [201] GALAXY z=0.384 [187] STAR z=0.000 [406] GALAXY z=0.154
 [162] GALAXY z=0.037 [498] GALAXY z=0.126 [443] GALAXY z=0.143 [045] GALAXY z=0.127
 [058] QSO z=1.477 [111] GALAXY z=0.121 [001] GALAXY z=0.021 [543] GALAXY z=0.020
 [062] GALAXY z=0.057 [591] STAR z=0.001 [030] GALAXY z=0.134 [319] GALAXY z=0.062
 [314] STAR z=0.000 [285] GALAXY z=0.071 [249] SKY z=-9999 [369] GALAXY z=0.084
 [229] GALAXY z=0.098 [433] GALAXY z=0.080 [362] GALAXY z=0.083 [133] QSO z=0.368
 [095] GALAXY z=0.005 [164] SKY z=-9999 [163] GALAXY z=0.272 [049] STAR z=0.000
 [047] GALAXY z=0.141 [520] GALAXY z=0.057 [551] GALAXY z=0.180 [067] GALAXY z=0.057
 [069] GALAXY z=0.084 [588] GALAXY z=0.214 [623] GALAXY z=0.063 [337] GALAXY z=0.057
 [304] GALAXY z=0.091 [382] GALAXY z=0.146 [273] GALAXY z=0.345 [374] GALAXY z=0.166
 [630] GALAXY z=0.074 [213] SKY z=-9999 [363] GALAXY z=0.164 [189] GALAXY z=0.091
 [121] GALAXY z=0.290 [483] STAR z=0.000 [453] GALAXY z=0.120 [096] GALAXY z=0.385
 [060] GALAXY z=0.271 [143] GALAXY z=0.063 [113] GALAXY z=0.092 [568] GALAXY z=0.086
 [604] GALAXY z=0.300 [074] GALAXY z=0.131 [584] GALAXY z=0.313 [300] GALAXY z=0.143
 [303] GALAXY z=0.122 [357] SKY z=-9999 [271] GALAXY z=0.091 [386] GALAXY z=0.152
 [635] GALAXY z=0.192 [217] GALAXY z=0.072 [123] GALAXY z=0.146 [416] GALAXY z=0.124
 [477] GALAXY z=0.145 [405] QSO z=0.693 [454] GALAXY z=0.122 [485] GALAXY z=0.037
 [151] GALAXY z=0.052 [054] GALAXY z=0.115 [114] GALAXY z=0.121 [552] STAR_LAT z=0.000
 [077] GALAXY z=0.126 [614] GALAXY z=0.220 [031] STAR z=0.000 [628] QSO z=0.585
 [305] GALAXY z=0.438 [344] STAR z=0.000 [289] GALAXY z=0.091 [333] GALAXY z=0.051
 [398] SKY z=-9999 [026] STAR z=-0.00 [375] GALAXY z=0.062 [136] GALAXY z=0.368
 [184] GALAXY z=0.127 [462] SKY z=-9999 [468] GALAXY z=0.122 [486] GALAXY z=0.141
 [447] GALAXY z=0.120 [535] GALAXY z=0.143 [506] GALAXY z=0.030 [020] GALAXY z=0.091
 [548] GALAXY z=0.312 [571] STAR z=0.000 [003] QSO z=0.653 [619] GALAXY z=0.062
 [336] STAR z=0.001 [359] GALAXY z=0.065 [328] GALAXY z=0.168 [248] GALAXY z=0.088
 [263] GALAXY z=0.336 [624] GALAXY z=0.110 [228] GALAXY z=0.515 [429] GALAXY z=0.063
 [401] GALAXY z=0.440 [412] GALAXY z=0.036 [494] QSO z=0.127 [500] GALAXY z=0.144
 [450] GALAXY z=0.006 [156] GALAXY z=0.068 [145] GALAXY z=0.366 [522] GALAXY z=0.143
 [556] GALAXY z=0.006 [079] GALAXY z=0.062 [598] GALAXY z=0.080 [023] GALAXY z=0.216
 [297] SKY z=-9999 [288] GALAXY z=0.369 [291] GALAXY z=0.132 [262] GALAXY z=0.122
 [399] GALAXY z=0.121 [633] GALAXY z=0.080 [236] GALAXY z=0.164 [129] GALAXY z=0.205
 [410] GALAXY z=0.163 [173] STAR z=0.000 [402] GALAXY z=0.152 [456] GALAXY z=0.122
 [481] GALAXY z=0.121 [517] GALAXY z=0.129 [513] STAR z=0.001 [560] GALAXY z=0.092
 [115] GALAXY z=0.057 [557] QSO z=0.367 [581] GALAXY z=0.063 [612] GALAXY z=0.143
 [290] GALAXY z=0.119 [352] GALAXY z=0.323 [264] GALAXY z=0.149 [246] GALAXY z=0.146
 [256] GALAXY z=0.218 [637] GALAXY z=0.088 [434] GALAXY z=0.166 [137] GALAXY z=0.068
 [128] GALAXY z=0.063 [480] GALAXY z=0.126 [490] GALAXY z=0.144 [171] GALAXY z=0.092
 [059] GALAXY z=0.371 [141] GALAXY z=0.053 [534] GALAXY z=0.218 [105] GALAXY z=0.006
 [119] GALAXY z=0.131 [562] GALAXY z=0.063 [602] GALAXY z=0.164 [040] GALAXY z=0.124
 [324] GALAXY z=0.061 [298] STAR_LAT z=-0.00 [267] GALAXY z=0.342 [276] GALAXY z=0.123
 [378] STAR z=0.000 [636] GALAXY z=0.370 [423] SKY z=-9999 [199] GALAXY z=0.063
 [185] GALAXY z=0.203 [419] SKY z=-9999 [499] GALAXY z=0.442 [177] GALAXY z=0.063
 [169] GALAXY z=0.063 [533] GALAXY z=0.085 [152] GALAXY z=0.441 [010] GALAXY z=0.371
 [104] GALAXY z=0.132 [611] QSO z=0.862 [024] GALAXY z=0.242 [592] GALAXY z=0.063
 [282] QSO z=1.876 [286] GALAXY z=0.460 [247] GALAXY z=0.099 [252] QSO z=0.340
 [376] GALAXY z=0.374 [632] GALAXY z=0.093 [364] STAR z=0.000 [183] GALAXY z=0.145
 [132] GALAXY z=0.154 [139] GALAXY z=0.335 [089] GALAXY z=0.351 [082] STAR z=0.000
 [459] GALAXY z=0.161 [526] GALAXY z=0.270 [107] GALAXY z=0.123 [106] GALAXY z=0.089
 [002] GALAXY z=0.204 [064] STAR_LAT z=0.000 [587] GALAXY z=0.062 [609] GALAXY z=0.444
 [335] GALAXY z=0.152 [345] GALAXY z=0.147 [242] GALAXY z=0.090 [395] STAR z=0.000
 [393] GALAXY z=0.090 [037] STAR z=-0.00 [436] GALAXY z=0.037 [140] STAR z=0.000
 [407] GALAXY z=0.052 [179] GALAXY z=0.126 [495] GALAXY z=0.201 [496] GALAXY z=0.144
 [172] GALAXY z=0.022 [142] GALAXY z=0.053 [530] SKY z=-9999 [004] GALAXY z=0.065
 [563] SKY z=-9999 [068] SKY z=-9999 [015] STAR z=0.001 [021] STAR z=-0.00
 [313] QSO z=0.652 [339] GALAXY z=0.079 [250] GALAXY z=0.067 [389] QSO z=1.605
 [233] STAR z=-0.00 [640] GALAXY z=0.020 [222] SKY z=-9999 [194] GALAXY z=0.346
 [188] SKY z=-9999 [176] GALAXY z=0.125 [178] GALAXY z=0.124 [608] UNKNOWN z=0.000
 [048] QSO z=2.296 [528] GALAXY z=0.128 [057] STAR z=0.000 [550] GALAXY z=0.025
 [019] GALAXY z=0.089 [008] SKY z=-9999 [603] GALAXY z=0.123 [597] GALAXY z=0.413
 [354] GALAXY z=0.090 [346] STAR z=0.000 [316] SKY z=-9999 [277] GALAXY z=0.182
 [397] GALAXY z=0.153 [424] GALAXY z=0.167 [239] GALAXY z=0.145 [138] GALAXY z=0.072
 [191] GALAXY z=0.126 [465] GALAXY z=0.080 [488] GALAXY z=0.218 [093] GALAXY z=0.300
 [144] GALAXY z=0.031 [537] GALAXY z=0.063 [103] GALAXY z=0.046 [567] GALAXY z=0.161
 [545] GALAXY z=0.031 [076] GALAXY z=0.371 [590] GALAXY z=0.219 [638] GALAXY z=0.020
 [295] GALAXY z=0.150 [284] GALAXY z=0.148 [281] GALAXY z=0.088 [259] STAR z=0.000
 [323] GALAXY z=0.099 [207] GALAXY z=0.068 [428] GALAXY z=0.122 [366] GALAXY z=0.162
 [479] GALAXY z=0.080 [414] GALAXY z=0.439 [097] GALAXY z=0.204 [174] GALAXY z=0.022
 [160] GALAXY z=0.062 [505] GALAXY z=0.263 [524] GALAXY z=0.134 [576] GALAXY z=0.219
 [578] GALAXY z=0.070 [070] GALAXY z=0.084 [012] GALAXY z=0.056 [027] GALAXY z=0.006
 [287] GALAXY z=0.067 [343] GALAXY z=0.083 [388] GALAXY z=0.146 [278] GALAXY z=0.098
 [235] GALAXY z=0.358 [208] QSO z=1.360 [130] STAR z=0.000 [125] QSO z=0.272
 [463] GALAXY z=0.144 [497] STAR z=0.000 [441] GALAXY z=0.407 [446] GALAXY z=0.283
 [516] GALAXY z=0.120 [515] QSO z=0.649 [580] QSO z=0.298 [116] GALAXY z=0.130
 [616] GALAXY z=0.020 [034] GALAXY z=0.327 [029] SKY z=-9999 [321] QSO z=1.961
 [302] GALAXY z=0.052 [325] GALAXY z=0.147 [257] GALAXY z=0.088 [383] GALAXY z=0.046
 [226] GALAXY z=0.125 [205] GALAXY z=0.063 [367] GALAXY z=0.062 [469] GALAXY z=0.124
 [466] GALAXY z=0.035 [086] GALAXY z=0.141 [092] QSO z=2.289 [050] GALAXY z=0.089
 [514] GALAXY z=0.363 [518] GALAXY z=0.126 [554] GALAXY z=0.207 [075] GALAXY z=0.131
 [066] GALAXY z=0.065 [014] GALAXY z=0.065 [639] SKY z=-9999 [301] STAR z=0.001
 [309] GALAXY z=0.120 [394] STAR z=-0.00 [326] GALAXY z=0.465 [206] GALAXY z=0.153
 [218] GALAXY z=0.146 [437] GALAXY z=0.121 [193] GALAXY z=0.130 [181] GALAXY z=0.098
 [404] GALAXY z=0.163 [448] GALAXY z=0.120 [444] GALAXY z=0.429 [147] GALAXY z=0.031
 [508] QSO z=1.904 [531] GALAXY z=0.220 [117] GALAXY z=0.132 [108] GALAXY z=0.036
 [063] UNKNOWN z=0.394 [605] GALAXY z=0.027 [039] GALAXY z=0.383 [360] GALAXY z=0.083
 [338] GALAXY z=0.007 [329] QSO z=1.046 [322] QSO z=1.566 [377] GALAXY z=0.458
 [368] SKY z=-9999 [421] GALAXY z=0.165 [418] GALAXY z=0.152 [190] QSO z=2.190
 [474] GALAXY z=0.011 [493] GALAXY z=0.129 [087] GALAXY z=0.067 [146] GALAXY z=0.052
 [148] GALAXY z=0.062 [540] GALAXY z=0.026 [109] GALAXY z=0.121 [553] GALAXY z=0.520
 [593] GALAXY z=0.205 [607] SKY z=-9999 [022] GALAXY z=0.090 [299] GALAXY z=0.406
 [279] GALAXY z=0.090 [400] GALAXY z=0.123 [384] GALAXY z=0.358 [232] GALAXY z=0.125
 [036] GALAXY z=0.048 [427] GALAXY z=0.164 [435] GALAXY z=0.022 [186] GALAXY z=0.098
 [403] GALAXY z=0.038 [094] GALAXY z=0.067 [491] GALAXY z=0.123 [161] QSO z=0.326
 [053] HIZ_QSO z=3.029 [509] SKY z=-9999 [112] GALAXY z=0.126 [546] GALAXY z=0.091
 [541] GALAXY z=0.064 [007] GALAXY z=0.214 [618] GALAXY z=0.098 [283] GALAXY z=0.141
 [348] GALAXY z=0.098 [353] QSO z=0.489 [392] GALAXY z=0.122 [212] GALAXY z=0.098
 [631] GALAXY z=0.366 [224] GALAXY z=0.144 [440] GALAXY z=0.125 [420] GALAXY z=0.053
 [180] GALAXY z=0.063 [417] GALAXY z=0.120 [487] STAR z=0.000 [510] GALAXY z=0.121
 [527] GALAXY z=0.062 [539] STAR z=0.000 [006] GALAXY z=0.053 [564] GALAXY z=0.262
 [615] GALAXY z=0.062 [035] GALAXY z=0.132 [613] GALAXY z=0.211 [308] GALAXY z=0.122
 [315] GALAXY z=0.337 [245] GALAXY z=0.147 [260] GALAXY z=0.127 [396] QSO z=1.406