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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

 [001] GALAXY z=0.021 [002] GALAXY z=0.204 [003] QSO z=0.652 [004] GALAXY z=0.065
 [005] QSO z=2.832 [006] GALAXY z=0.053 [007] GALAXY z=0.214 [008] QSO z=1.706
 [009] GALAXY z=0.448 [010] GALAXY z=0.371 [011] GALAXY z=0.121 [012] GALAXY z=0.056
 [013] GALAXY z=0.097 [014] GALAXY z=0.065 [015] STAR z=0.001 [016] GALAXY z=0.127
 [017] GALAXY z=0.065 [018] GALAXY z=0.084 [019] GALAXY z=0.089 [020] GALAXY z=0.091
 [021] STAR z=-0.00 [022] GALAXY z=0.090 [023] GALAXY z=0.216 [024] GALAXY z=0.242
 [025] GALAXY z=0.135 [026] STAR z=-0.00 [027] GALAXY z=0.006 [028] GALAXY z=0.204
 [029] QSO z=6.696 [030] GALAXY z=0.134 [031] STAR z=-0.00 [032] STAR z=-0.00
 [033] GALAXY z=0.084 [034] GALAXY z=0.328 [035] GALAXY z=0.131 [036] GALAXY z=0.048
 [037] STAR z=-0.00 [038] STAR z=0.000 [039] GALAXY z=0.383 [040] GALAXY z=0.123
 [041] GALAXY z=0.065 [042] GALAXY z=0.098 [043] STAR z=0.000 [044] GALAXY z=0.155
 [045] GALAXY z=0.127 [046] STAR z=0.000 [047] GALAXY z=0.140 [048] QSO z=2.283
 [049] STAR z=0.000 [050] GALAXY z=0.089 [051] GALAXY z=0.065 [052] GALAXY z=0.206
 [053] QSO z=3.036 [054] GALAXY z=0.115 [055] GALAXY z=0.061 [056] STAR z=0.001
 [057] STAR z=0.000 [058] QSO z=1.474 [059] GALAXY z=0.371 [060] GALAXY z=0.271
 [061] GALAXY z=0.125 [062] GALAXY z=0.057 [063] GALAXY z=0.454 [064] STAR z=-0.00
 [065] GALAXY z=0.083 [066] GALAXY z=0.065 [067] GALAXY z=0.057 [068] QSO z=0.443
 [069] GALAXY z=0.084 [070] GALAXY z=0.084 [071] GALAXY z=0.125 [072] GALAXY z=0.022
 [073] GALAXY z=0.125 [074] GALAXY z=0.131 [075] GALAXY z=0.131 [076] GALAXY z=0.371
 [077] GALAXY z=0.126 [078] GALAXY z=0.062 [079] GALAXY z=0.062 [080] QSO z=1.772
 [081] GALAXY z=0.128 [082] STAR z=0.000 [083] GALAXY z=0.068 [084] GALAXY z=0.066
 [085] GALAXY z=0.114 [086] GALAXY z=0.141 [087] GALAXY z=0.067 [088] QSO z=1.226
 [089] GALAXY z=0.351 [090] GALAXY z=0.204 [091] GALAXY z=0.374 [092] QSO z=2.287
 [093] GALAXY z=0.300 [094] GALAXY z=0.067 [095] STAR z=0.004 [096] GALAXY z=0.385
 [097] GALAXY z=0.204 [098] STAR z=0.000 [099] GALAXY z=0.004 [100] GALAXY z=0.005
 [101] QSO z=0.794 [102] GALAXY z=0.126 [103] GALAXY z=0.046 [104] GALAXY z=0.132
 [105] GALAXY z=0.006 [106] GALAXY z=0.089 [107] GALAXY z=0.123 [108] GALAXY z=0.036
 [109] GALAXY z=0.121 [110] GALAXY z=0.130 [111] GALAXY z=0.122 [112] GALAXY z=0.126
 [113] GALAXY z=0.092 [114] GALAXY z=0.121 [115] GALAXY z=0.057 [116] GALAXY z=0.130
 [117] GALAXY z=0.132 [118] STAR z=-0.00 [119] GALAXY z=0.131 [120] GALAXY z=0.069
 [121] GALAXY z=0.290 [122] GALAXY z=0.142 [123] GALAXY z=0.146 [124] QSO z=2.378
 [125] QSO z=0.271 [126] QSO z=0.518 [127] QSO z=0.788 [128] GALAXY z=0.062
 [129] GALAXY z=0.205 [130] STAR z=0.000 [131] GALAXY z=0.143 [132] GALAXY z=0.154
 [133] QSO z=0.368 [134] GALAXY z=0.369 [135] GALAXY z=0.145 [136] GALAXY z=0.368
 [137] GALAXY z=0.068 [138] GALAXY z=0.072 [139] GALAXY z=0.335 [140] STAR z=0.000
 [141] GALAXY z=0.053 [142] GALAXY z=0.053 [143] GALAXY z=0.063 [144] GALAXY z=0.031
 [145] GALAXY z=0.366 [146] GALAXY z=0.052 [147] GALAXY z=0.031 [148] GALAXY z=0.062
 [149] STAR z=0.000 [150] STAR z=-0.00 [151] GALAXY z=0.052 [152] GALAXY z=0.441
 [153] STAR z=-0.00 [154] GALAXY z=0.054 [155] GALAXY z=0.022 [156] GALAXY z=0.068
 [157] GALAXY z=0.022 [158] GALAXY z=0.036 [159] GALAXY z=0.128 [160] GALAXY z=0.062
 [161] QSO z=0.325 [162] GALAXY z=0.037 [163] GALAXY z=0.272 [164] GALAXY z=0.609
 [165] GALAXY z=0.090 [166] GALAXY z=0.063 [167] GALAXY z=0.091 [168] GALAXY z=0.067
 [169] GALAXY z=0.063 [170] GALAXY z=0.369 [171] GALAXY z=0.092 [172] GALAXY z=0.022
 [173] STAR z=0.000 [174] GALAXY z=0.022 [175] GALAXY z=0.126 [176] GALAXY z=0.125
 [177] GALAXY z=0.063 [178] GALAXY z=0.124 [179] GALAXY z=0.126 [180] GALAXY z=0.063
 [181] GALAXY z=0.098 [182] GALAXY z=0.517 [183] GALAXY z=0.145 [184] GALAXY z=0.127
 [185] GALAXY z=0.203 [186] GALAXY z=0.098 [187] STAR z=0.000 [188] QSO z=5.415
 [189] GALAXY z=0.091 [190] QSO z=2.187 [191] GALAXY z=0.126 [192] GALAXY z=0.128
 [193] GALAXY z=0.129 [194] GALAXY z=0.346 [195] GALAXY z=0.155 [196] GALAXY z=0.128
 [197] STAR z=0.001 [198] GALAXY z=0.122 [199] GALAXY z=0.063 [200] QSO z=0.288
 [201] GALAXY z=0.384 [202] GALAXY z=0.148 [203] GALAXY z=0.143 [204] GALAXY z=0.149
 [205] GALAXY z=0.062 [206] GALAXY z=0.153 [207] GALAXY z=0.068 [208] QSO z=1.362
 [209] GALAXY z=0.147 [210] GALAXY z=0.346 [211] GALAXY z=0.098 [212] GALAXY z=0.098
 [213] GALAXY z=0.971 [214] GALAXY z=0.146 [215] GALAXY z=0.022 [216] GALAXY z=0.068
 [217] GALAXY z=0.072 [218] GALAXY z=0.146 [219] GALAXY z=0.143 [220] GALAXY z=0.402
 [221] GALAXY z=0.063 [222] STAR z=-0.00 [223] GALAXY z=0.146 [224] GALAXY z=0.144
 [225] QSO z=1.616 [226] GALAXY z=0.125 [227] QSO z=0.063 [228] GALAXY z=0.516
 [229] GALAXY z=0.098 [230] GALAXY z=0.098 [231] GALAXY z=0.091 [232] GALAXY z=0.125
 [233] STAR z=-0.00 [234] STAR z=-0.00 [235] GALAXY z=0.358 [236] GALAXY z=0.164
 [237] GALAXY z=0.145 [238] QSO z=1.584 [239] GALAXY z=0.145 [240] GALAXY z=0.030
 [241] GALAXY z=0.147 [242] GALAXY z=0.090 [243] GALAXY z=0.061 [244] GALAXY z=0.148
 [245] GALAXY z=0.147 [246] GALAXY z=0.146 [247] GALAXY z=0.099 [248] GALAXY z=0.088
 [249] GALAXY z=0.859 [250] GALAXY z=0.067 [251] GALAXY z=0.461 [252] QSO z=0.340
 [253] GALAXY z=0.149 [254] GALAXY z=0.126 [255] GALAXY z=0.218 [256] GALAXY z=0.218
 [257] GALAXY z=0.088 [258] GALAXY z=0.147 [259] STAR z=-0.00 [260] GALAXY z=0.127
 [261] GALAXY z=0.121 [262] GALAXY z=0.122 [263] GALAXY z=0.336 [264] GALAXY z=0.149
 [265] GALAXY z=0.036 [266] GALAXY z=0.091 [267] GALAXY z=0.342 [268] GALAXY z=0.147
 [269] GALAXY z=0.366 [270] STAR z=0.002 [271] GALAXY z=0.091 [272] GALAXY z=0.090
 [273] GALAXY z=0.345 [274] GALAXY z=0.127 [275] QSO z=1.373 [276] GALAXY z=0.123
 [277] GALAXY z=0.181 [278] GALAXY z=0.098 [279] GALAXY z=0.090 [280] QSO z=2.567
 [281] GALAXY z=0.088 [282] QSO z=1.879 [283] GALAXY z=0.141 [284] GALAXY z=0.148
 [285] GALAXY z=0.071 [286] GALAXY z=0.460 [287] GALAXY z=0.067 [288] GALAXY z=0.369
 [289] GALAXY z=0.091 [290] GALAXY z=0.119 [291] GALAXY z=0.132 [292] GALAXY z=0.090
 [293] GALAXY z=0.151 [294] QSO z=1.164 [295] GALAXY z=0.150 [296] GALAXY z=0.130
 [297] GALAXY z=0.035 [298] STAR z=0.000 [299] GALAXY z=0.406 [300] GALAXY z=0.143
 [301] STAR z=-0.00 [302] GALAXY z=0.052 [303] GALAXY z=0.122 [304] GALAXY z=0.091
 [305] GALAXY z=0.438 [306] GALAXY z=0.205 [307] GALAXY z=0.120 [308] GALAXY z=0.122
 [309] GALAXY z=0.120 [310] GALAXY z=0.485 [311] GALAXY z=0.221 [312] GALAXY z=0.124
 [313] QSO z=0.652 [314] STAR z=0.000 [315] GALAXY z=0.337 [316] GALAXY z=0.728
 [317] GALAXY z=0.153 [318] GALAXY z=0.148 [319] GALAXY z=0.062 [320] GALAXY z=0.483
 [321] QSO z=1.961 [322] QSO z=1.571 [323] GALAXY z=0.099 [324] GALAXY z=0.061
 [325] GALAXY z=0.147 [326] GALAXY z=0.465 [327] GALAXY z=0.136 [328] GALAXY z=0.168
 [329] QSO z=1.045 [330] GALAXY z=0.147 [331] GALAXY z=0.047 [332] QSO z=0.445
 [333] GALAXY z=0.051 [334] GALAXY z=0.089 [335] GALAXY z=0.152 [336] STAR z=0.001
 [337] GALAXY z=0.057 [338] GALAXY z=0.007 [339] GALAXY z=0.079 [340] QSO z=0.269
 [341] GALAXY z=0.098 [342] GALAXY z=0.091 [343] GALAXY z=0.083 [344] STAR z=0.000
 [345] GALAXY z=0.147 [346] STAR z=0.000 [347] STAR z=0.000 [348] GALAXY z=0.098
 [349] GALAXY z=0.062 [350] GALAXY z=0.098 [351] QSO z=1.476 [352] GALAXY z=0.323
 [353] QSO z=0.489 [354] GALAXY z=0.090 [355] GALAXY z=0.122 [356] GALAXY z=0.336
 [357] QSO z=0.179 [358] GALAXY z=0.126 [359] GALAXY z=0.065 [360] GALAXY z=0.083
 [361] GALAXY z=0.450 [362] GALAXY z=0.083 [363] GALAXY z=0.164 [364] STAR z=0.000
 [365] STAR z=0.000 [366] GALAXY z=0.162 [367] GALAXY z=0.062 [368] QSO z=6.312
 [369] GALAXY z=0.084 [370] GALAXY z=0.057 [371] GALAXY z=0.197 [372] GALAXY z=0.164
 [373] GALAXY z=0.063 [374] GALAXY z=0.166 [375] GALAXY z=0.062 [376] GALAXY z=0.375
 [377] GALAXY z=0.457 [378] STAR z=0.000 [379] GALAXY z=0.135 [380] QSO z=0.695
 [381] GALAXY z=0.410 [382] GALAXY z=0.146 [383] GALAXY z=0.046 [384] GALAXY z=0.358
 [385] GALAXY z=0.156 [386] GALAXY z=0.152 [387] GALAXY z=0.006 [388] GALAXY z=0.146
 [389] QSO z=1.607 [390] STAR z=-0.00 [391] GALAXY z=0.123 [392] GALAXY z=0.123
 [393] GALAXY z=0.090 [394] STAR z=-0.00 [395] STAR z=-0.00 [396] QSO z=1.405
 [397] GALAXY z=0.153 [398] GALAXY z=0.004 [399] GALAXY z=0.120 [400] GALAXY z=0.123
 [401] GALAXY z=0.440 [402] GALAXY z=0.152 [403] GALAXY z=0.038 [404] GALAXY z=0.163
 [405] QSO z=0.693 [406] GALAXY z=0.154 [407] GALAXY z=0.052 [408] GALAXY z=0.124
 [409] STAR z=0.000 [410] GALAXY z=0.163 [411] GALAXY z=0.123 [412] GALAXY z=0.036
 [413] GALAXY z=0.037 [414] GALAXY z=0.439 [415] GALAXY z=0.122 [416] GALAXY z=0.124
 [417] GALAXY z=0.120 [418] GALAXY z=0.152 [419] STAR z=-0.00 [420] GALAXY z=0.053
 [421] GALAXY z=0.165 [422] GALAXY z=0.027 [423] GALAXY z=0.203 [424] GALAXY z=0.167
 [425] GALAXY z=0.467 [426] GALAXY z=0.156 [427] GALAXY z=0.164 [428] GALAXY z=0.122
 [429] GALAXY z=0.063 [430] GALAXY z=0.025 [431] STAR z=0.000 [432] GALAXY z=0.122
 [433] GALAXY z=0.080 [434] GALAXY z=0.166 [435] GALAXY z=0.022 [436] GALAXY z=0.037
 [437] GALAXY z=0.121 [438] GALAXY z=0.025 [439] GALAXY z=0.123 [440] GALAXY z=0.125
 [441] GALAXY z=0.406 [442] GALAXY z=0.122 [443] GALAXY z=0.144 [444] GALAXY z=0.429
 [445] STAR z=-0.00 [446] GALAXY z=0.283 [447] GALAXY z=0.120 [448] GALAXY z=0.120
 [449] GALAXY z=0.242 [450] GALAXY z=0.006 [451] GALAXY z=0.437 [452] QSO z=2.520
 [453] GALAXY z=0.120 [454] GALAXY z=0.122 [455] GALAXY z=0.363 [456] GALAXY z=0.122
 [457] GALAXY z=0.124 [458] GALAXY z=0.122 [459] GALAXY z=0.161 [460] GALAXY z=0.123
 [461] GALAXY z=0.036 [462] QSO z=2.041 [463] GALAXY z=0.144 [464] GALAXY z=0.030
 [465] GALAXY z=0.080 [466] GALAXY z=0.035 [467] GALAXY z=0.030 [468] GALAXY z=0.122
 [469] GALAXY z=0.124 [470] GALAXY z=0.143 [471] STAR z=0.000 [472] GALAXY z=0.127
 [473] GALAXY z=0.144 [474] GALAXY z=0.011 [475] GALAXY z=0.145 [476] GALAXY z=0.203
 [477] GALAXY z=0.145 [478] GALAXY z=0.440 [479] GALAXY z=0.080 [480] GALAXY z=0.126
 [481] GALAXY z=0.121 [482] GALAXY z=0.194 [483] STAR z=0.000 [484] QSO z=1.015
 [485] GALAXY z=0.037 [486] GALAXY z=0.141 [487] STAR z=-0.00 [488] GALAXY z=0.218
 [489] GALAXY z=0.036 [490] GALAXY z=0.144 [491] GALAXY z=0.123 [492] GALAXY z=0.243
 [493] GALAXY z=0.129 [494] QSO z=0.127 [495] GALAXY z=0.201 [496] GALAXY z=0.144
 [497] STAR z=0.000 [498] GALAXY z=0.126 [499] GALAXY z=0.442 [500] GALAXY z=0.144
 [501] GALAXY z=0.145 [502] GALAXY z=0.191 [503] GALAXY z=0.147 [504] GALAXY z=0.058
 [505] GALAXY z=0.263 [506] GALAXY z=0.030 [507] GALAXY z=0.147 [508] QSO z=1.904
 [509] STAR z=-0.00 [510] GALAXY z=0.121 [511] GALAXY z=0.144 [512] GALAXY z=0.049
 [513] STAR z=0.001 [514] GALAXY z=0.363 [515] QSO z=0.649 [516] GALAXY z=0.120
 [517] GALAXY z=0.129 [518] GALAXY z=0.126 [519] GALAXY z=0.120 [520] GALAXY z=0.057
 [521] GALAXY z=0.418 [522] GALAXY z=0.143 [523] GALAXY z=0.128 [524] GALAXY z=0.134
 [525] GALAXY z=0.027 [526] GALAXY z=0.270 [527] GALAXY z=0.062 [528] GALAXY z=0.128
 [529] GALAXY z=0.577 [530] STAR z=0.002 [531] GALAXY z=0.220 [532] GALAXY z=0.020
 [533] GALAXY z=0.085 [534] GALAXY z=0.218 [535] GALAXY z=0.143 [536] GALAXY z=0.418
 [537] GALAXY z=0.063 [538] QSO z=0.357 [539] STAR z=0.001 [540] GALAXY z=0.026
 [541] GALAXY z=0.064 [542] GALAXY z=0.085 [543] GALAXY z=0.020 [544] GALAXY z=0.451
 [545] GALAXY z=0.031 [546] GALAXY z=0.091 [547] GALAXY z=0.063 [548] GALAXY z=0.312
 [549] GALAXY z=0.211 [550] GALAXY z=0.025 [551] GALAXY z=0.180 [552] STAR z=0.000
 [553] GALAXY z=0.520 [554] GALAXY z=0.207 [555] GALAXY z=0.504 [556] GALAXY z=0.006
 [557] QSO z=0.366 [558] GALAXY z=0.143 [559] STAR z=0.001 [560] GALAXY z=0.092
 [561] GALAXY z=0.128 [562] GALAXY z=0.063 [563] QSO z=0.455 [564] GALAXY z=0.262
 [565] GALAXY z=0.086 [566] QSO z=1.999 [567] GALAXY z=0.161 [568] GALAXY z=0.086
 [569] GALAXY z=0.086 [570] STAR z=-0.00 [571] STAR z=0.000 [572] GALAXY z=0.262
 [573] GALAXY z=0.162 [574] GALAXY z=0.006 [575] GALAXY z=0.086 [576] GALAXY z=0.219
 [577] GALAXY z=0.123 [578] GALAXY z=0.070 [579] GALAXY z=0.335 [580] QSO z=0.298
 [581] GALAXY z=0.063 [582] GALAXY z=0.124 [583] GALAXY z=0.126 [584] GALAXY z=0.313
 [585] QSO z=0.275 [586] GALAXY z=0.338 [587] GALAXY z=0.062 [588] GALAXY z=0.214
 [589] GALAXY z=0.037 [590] GALAXY z=0.219 [591] STAR z=0.001 [592] GALAXY z=0.063
 [593] GALAXY z=0.205 [594] GALAXY z=0.370 [595] GALAXY z=0.063 [596] GALAXY z=0.070
 [597] GALAXY z=0.413 [598] GALAXY z=0.080 [599] GALAXY z=0.070 [600] GALAXY z=0.062
 [601] GALAXY z=0.154 [602] GALAXY z=0.164 [603] GALAXY z=0.123 [604] GALAXY z=0.299
 [605] GALAXY z=0.027 [606] GALAXY z=0.162 [607] QSO z=1.369 [608] GALAXY z=0.000
 [609] GALAXY z=0.444 [610] GALAXY z=0.335 [611] QSO z=0.861 [612] GALAXY z=0.143
 [613] GALAXY z=0.211 [614] GALAXY z=0.220 [615] GALAXY z=0.062 [616] GALAXY z=0.020
 [617] QSO z=3.879 [618] GALAXY z=0.098 [619] GALAXY z=0.062 [620] STAR z=-0.00
 [621] GALAXY z=0.104 [622] GALAXY z=0.065 [623] GALAXY z=0.063 [624] GALAXY z=0.110
 [625] GALAXY z=0.063 [626] GALAXY z=0.086 [627] STAR z=0.000 [628] QSO z=0.584
 [629] STAR z=0.000 [630] GALAXY z=0.074 [631] GALAXY z=0.366 [632] GALAXY z=0.093
 [633] GALAXY z=0.080 [634] GALAXY z=0.070 [635] GALAXY z=0.192 [636] QSO z=0.924
 [637] GALAXY z=0.085 [638] GALAXY z=0.020 [639] QSO z=1.210 [640] GALAXY z=0.020