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Plate

The SDSS takes spectra using a large aluminum plate that can collect light from hundreds to thousands of spectra at a time. Plates are given incremental plate numbers, and are labeled with the MJD on which they were observed. If a plate is observed on multiple nights, it will appear under each MJD. Data about each plate are are stored in the Plate table.

The Plate Data table on the left below shows the data associated with the plate on which this object's spectrum was taken. The All Spectra on this plate table shows all the spectra that were measured on that plate, including this object's. Click on one of those links to go to the Explore page for that object.

Plate Data

plateID3590494884005519360
firstReleasedr8
plate3189
mjd54833
mjdList54833
surveysegue2
programNamesegue2
instrumentSDSS
chunknov08c
plateRunnov08c
designCommentssegue2
plateQualitygood
qualityCommentsstandard SEGUE-2
plateSN253.9984
deredSN2-9999
ra130
dec15
run2d104
run1d
runsspp122
tile-1
designID389
locationID177
iopVersionv4_39_0
camVersionSPEC1 v4_8
taiHMS06:44:20.07
dateObs2009-01-02
timeSystai
cx-0.620885153014846
cy0.739942111693848
cz0.258819045102521
cartridgeID3
tai4737599885.8
taiBegin4737593565
taiEnd4737604022
airmass1.26974
mapMjd5483301
mapName3189-54833-01
plugFileplPlugMapM-3189-54833-01.par
expTime7923
expTimeB17923
expTimeB27923
expTimeR17923
expTimeR27923
vers2dNOCVS:v5_3_23
verscombNOCVS:v5_3_23
vers1dNOCVS:v5_3_23
snturnoff32.1639
nturnoff159
nExp20
nExpB15
nExpB25
nExpR15
nExpR25
sn1_g57.6276
sn1_r54.4833
sn1_i53.9984
sn2_g70.7224
sn2_r66.2679
sn2_i61.3801
dered_sn1_g-9999
dered_sn1_r-9999
dered_sn1_i-9999
dered_sn2_g-9999
dered_sn2_r-9999
dered_sn2_i-9999
helioRV-13.60593
gOffStd-0.000699997
gRMSStd0.0323561
rOffStd-0.0264502
rRMSStd0.0221415
iOffStd-0.0156946
iRMSStd0.0245729
grOffStd0.0196733
grRMSStd0.0251981
riOffStd-0.0150585
riRMSStd0.0194807
gOffGal0.141518
gRMSGal0.163678
rOffGal0.0681362
rRMSGal0.0810327
iOffGal0.027832
iRMSGal0.0575707
grOffGal0.0830593
grRMSGal0.090004
riOffGal0.0250549
riRMSGal0.0415217
nGuide76
seeing201.286
seeing501.368
seeing801.496
rmsoff200.2509042
rmsoff500.4450626
rmsoff800.7163112
airtemp3.7
sfd_used0
xSigma0.962949
xSigMin0.919011
xSigMax0.983259
wSigma0.9021193
wSigMin0.860989
wSigMax0.985921
xChi21.50902
xChi2Min1.17916
xChi2Max2.15787
skyChi21.136238
skyChi2Min1.030251
skyChi2Max1.281321
fBadPix0.0234848
fBadPix10.0212165
fBadPix20.0257317
status2dDone
statuscombineDone
status1dDone
nTotal640
nGalaxy0
nQSO10
nStar588
nSky32
nUnknown10
isBest1
isPrimary1
isTile0
ha0
mjdDesign54794
theta0
fscanVersionv4_3_1
fmapVersionv4_3_1
fscanModeextreme
fscanSpeed500
htmID16346024162710
loadVersion315

All Spectra on this plate

[1] QSO z=2.685 [2] STAR z=0.001 [3] STAR z=0.000 [4] STAR z=-0.00
[5] STAR z=0.000 [6] STAR z=0.000 [7] STAR z=0.000 [8] STAR z=0.001
[9] STAR z=0.001 [10] STAR z=-0.00 [11] STAR z=-0.00 [12] STAR z=-0.00
[13] STAR z=-0.00 [14] STAR z=0.000 [15] STAR z=0.000 [16] STAR z=0.000
[17] STAR z=0.000 [18] GALAXY z=0.339 [19] QSO z=0.889 [20] STAR z=0.000
[21] STAR z=0.001 [22] STAR z=-0.00 [23] GALAXY z=0.655 [24] QSO z=2.171
[25] STAR z=0.000 [26] STAR z=0.000 [27] STAR z=-0.00 [28] STAR z=0.000
[29] STAR z=0.000 [30] STAR z=0.001 [31] STAR z=-0.00 [32] STAR z=-0.00
[33] STAR z=0.000 [34] STAR z=0.000 [35] STAR z=0.000 [36] STAR z=0.000
[37] STAR z=0.000 [38] STAR z=0.000 [39] QSO z=2.770 [40] STAR z=0.001
[41] STAR z=0.000 [42] STAR z=0.000 [43] STAR z=0.000 [44] STAR z=0.000
[45] STAR z=0.000 [46] STAR z=0.000 [47] STAR z=0.001 [48] STAR z=-0.00
[49] STAR z=0.000 [50] STAR z=0.000 [51] STAR z=0.000 [52] STAR z=0.001
[53] STAR z=0.000 [54] STAR z=-0.00 [55] STAR z=0.000 [56] STAR z=-0.00
[57] STAR z=0.000 [58] STAR z=0.000 [59] STAR z=0.000 [60] STAR z=-0.00
[61] QSO z=2.905 [62] STAR z=-0.00 [63] STAR z=0.000 [64] STAR z=0.000
[65] STAR z=0.000 [66] STAR z=0.000 [67] STAR z=0.000 [68] STAR z=0.000
[69] STAR z=0.000 [70] STAR z=0.000 [71] STAR z=-0.00 [72] STAR z=0.000
[73] STAR z=0.000 [74] STAR z=-0.00 [75] STAR z=0.000 [76] STAR z=-0.00
[77] STAR z=0.001 [78] STAR z=0.000 [79] STAR z=0.000 [80] STAR z=0.000
[81] STAR z=0.000 [82] STAR z=0.001 [83] QSO z=1.930 [84] STAR z=0.000
[85] STAR z=0.000 [86] STAR z=0.000 [87] STAR z=0.000 [88] STAR z=0.000
[89] STAR z=-0.00 [90] STAR z=0.000 [91] STAR z=0.001 [92] STAR z=0.000
[93] STAR z=0.000 [94] STAR z=0.000 [95] STAR z=0.000 [96] STAR z=0.000
[97] STAR z=0.000 [98] STAR z=-0.00 [99] STAR z=0.000 [100] STAR z=0.000
[101] STAR z=0.000 [102] STAR z=0.000 [103] STAR z=-0.00 [104] STAR z=-0.00
[105] STAR z=0.004 [106] STAR z=0.000 [107] STAR z=0.000 [108] STAR z=0.000
[109] STAR z=0.000 [110] STAR z=0.000 [111] STAR z=0.000 [112] STAR z=0.000
[113] STAR z=0.001 [114] STAR z=0.000 [115] STAR z=0.000 [116] STAR z=0.000
[117] STAR z=0.000 [118] STAR z=0.000 [119] STAR z=0.000 [120] STAR z=-0.00
[121] STAR z=0.000 [122] STAR z=0.001 [123] STAR z=0.000 [124] QSO z=1.195
[125] STAR z=-0.00 [126] STAR z=0.000 [127] STAR z=0.000 [128] STAR z=0.000
[129] STAR z=-0.00 [130] STAR z=0.001 [131] STAR z=0.001 [132] GALAXY z=0.000
[133] STAR z=-0.00 [134] STAR z=0.000 [135] STAR z=0.000 [136] STAR z=0.000
[137] STAR z=0.000 [138] QSO z=2.287 [139] QSO z=2.797 [140] STAR z=0.001
[141] STAR z=-0.00 [142] STAR z=-0.00 [143] STAR z=-0.00 [144] STAR z=0.000
[145] QSO z=2.516 [146] STAR z=0.000 [147] STAR z=0.000 [148] STAR z=0.000
[149] STAR z=-0.00 [150] STAR z=0.000 [151] STAR z=0.000 [152] STAR z=0.001
[153] STAR z=0.000 [154] STAR z=0.000 [155] STAR z=0.000 [156] STAR z=-0.00
[157] STAR z=0.000 [158] STAR z=0.000 [159] STAR z=0.000 [160] STAR z=0.000
[161] STAR z=0.001 [162] STAR z=-0.00 [163] STAR z=0.000 [164] STAR z=-0.00
[165] QSO z=1.150 [166] STAR z=0.000 [167] STAR z=0.000 [168] STAR z=0.000
[169] STAR z=0.000 [170] STAR z=0.000 [171] STAR z=0.000 [172] STAR z=0.000
[173] STAR z=-0.00 [174] STAR z=0.000 [175] STAR z=0.000 [176] STAR z=0.000
[177] STAR z=0.000 [178] STAR z=0.000 [179] STAR z=0.000 [180] QSO z=2.404
[181] STAR z=0.000 [182] STAR z=0.000 [183] STAR z=0.000 [184] STAR z=-0.00
[185] STAR z=0.000 [186] STAR z=0.000 [187] STAR z=0.000 [188] STAR z=-0.00
[189] STAR z=0.001 [190] STAR z=0.000 [191] STAR z=-0.00 [192] GALAXY z=0.000
[193] STAR z=0.001 [194] STAR z=0.000 [195] STAR z=0.000 [196] STAR z=0.000
[197] STAR z=-0.00 [198] GALAXY z=0.220 [199] STAR z=0.000 [200] STAR z=0.000
[201] STAR z=0.001 [202] STAR z=0.000 [203] STAR z=0.000 [204] STAR z=0.000
[205] STAR z=0.000 [206] STAR z=0.001 [207] STAR z=0.001 [208] STAR z=0.000
[209] STAR z=-0.00 [210] STAR z=0.000 [211] STAR z=-0.00 [212] STAR z=0.000
[213] STAR z=0.000 [214] STAR z=-0.00 [215] STAR z=0.000 [216] STAR z=0.000
[217] STAR z=0.000 [218] STAR z=0.000 [219] STAR z=0.000 [220] STAR z=0.004
[221] STAR z=0.000 [222] STAR z=0.000 [223] STAR z=0.000 [224] GALAXY z=0.000
[225] QSO z=6.996 [226] QSO z=0.910 [227] STAR z=-0.00 [228] STAR z=0.000
[229] STAR z=0.000 [230] STAR z=0.001 [231] STAR z=0.000 [232] STAR z=0.000
[233] STAR z=0.000 [234] STAR z=0.000 [235] STAR z=-0.00 [236] STAR z=0.000
[237] STAR z=0.000 [238] STAR z=0.000 [239] STAR z=0.000 [240] STAR z=0.000
[241] STAR z=-0.00 [242] STAR z=0.001 [243] STAR z=-0.00 [244] STAR z=0.000
[245] STAR z=0.000 [246] STAR z=0.000 [247] STAR z=0.000 [248] STAR z=-0.00
[249] STAR z=-0.00 [250] STAR z=0.000 [251] GALAXY z=0.000 [252] STAR z=0.000
[253] STAR z=-0.00 [254] STAR z=-0.00 [255] STAR z=0.000 [256] STAR z=0.000
[257] STAR z=0.001 [258] STAR z=0.000 [259] STAR z=-0.00 [260] STAR z=0.000
[261] STAR z=0.000 [262] STAR z=0.001 [263] STAR z=0.001 [264] STAR z=0.001
[265] STAR z=0.000 [266] STAR z=0.000 [267] STAR z=0.000 [268] STAR z=0.001
[269] STAR z=0.000 [270] STAR z=0.000 [271] STAR z=0.000 [272] STAR z=0.000
[273] GALAXY z=0.000 [274] STAR z=0.000 [275] STAR z=0.001 [276] STAR z=-0.00
[277] STAR z=-0.00 [278] STAR z=0.001 [279] GALAXY z=0.501 [280] STAR z=0.000
[281] STAR z=0.000 [282] STAR z=0.000 [283] STAR z=-0.00 [284] STAR z=0.001
[285] GALAXY z=0.902 [286] STAR z=-0.00 [287] STAR z=0.000 [288] STAR z=0.000
[289] STAR z=0.000 [290] STAR z=-0.00 [291] STAR z=0.000 [292] STAR z=0.000
[293] STAR z=0.000 [294] STAR z=-0.00 [295] STAR z=0.001 [296] STAR z=-0.00
[297] STAR z=0.001 [298] STAR z=-0.00 [299] STAR z=0.000 [300] STAR z=0.000
[301] STAR z=0.000 [302] STAR z=0.000 [303] STAR z=0.000 [304] STAR z=0.000
[305] QSO z=2.311 [306] STAR z=0.000 [307] STAR z=-0.00 [308] STAR z=0.000
[309] STAR z=0.000 [310] STAR z=0.000 [311] STAR z=-0.00 [312] STAR z=-0.00
[313] STAR z=0.000 [314] STAR z=0.001 [315] STAR z=0.000 [316] STAR z=0.000
[317] STAR z=0.001 [318] STAR z=-0.00 [319] STAR z=0.000 [320] GALAXY z=0.902
[321] STAR z=0.000 [322] STAR z=0.000 [323] STAR z=0.000 [324] STAR z=0.000
[325] STAR z=0.000 [326] STAR z=0.000 [327] STAR z=0.000 [328] STAR z=-0.00
[329] STAR z=0.001 [330] STAR z=-0.00 [331] STAR z=0.000 [332] STAR z=0.001
[333] STAR z=0.000 [334] STAR z=0.001 [335] STAR z=-0.00 [336] STAR z=-0.00
[337] STAR z=0.000 [338] STAR z=0.000 [339] STAR z=0.000 [340] GALAXY z=0.728
[341] STAR z=-0.00 [342] STAR z=0.000 [343] STAR z=0.000 [344] STAR z=0.000
[345] STAR z=0.000 [346] STAR z=-0.00 [347] STAR z=0.000 [348] STAR z=0.000
[349] STAR z=0.000 [350] STAR z=-0.00 [351] STAR z=0.000 [352] STAR z=0.000
[353] STAR z=0.000 [354] STAR z=0.001 [355] STAR z=0.000 [356] STAR z=-0.00
[357] STAR z=-0.00 [358] STAR z=0.000 [359] STAR z=-0.00 [360] STAR z=0.000
[361] STAR z=0.000 [362] STAR z=0.000 [363] STAR z=0.000 [364] QSO z=5.211
[365] STAR z=0.000 [366] STAR z=-0.00 [367] STAR z=0.000 [368] STAR z=0.000
[369] STAR z=0.000 [370] STAR z=-0.00 [371] STAR z=0.000 [372] STAR z=-0.00
[373] STAR z=0.000 [374] STAR z=-0.00 [375] STAR z=-0.00 [376] STAR z=0.000
[377] STAR z=0.001 [378] STAR z=0.001 [379] STAR z=0.000 [380] STAR z=0.000
[381] STAR z=0.000 [382] STAR z=0.000 [383] STAR z=0.000 [384] STAR z=0.000
[385] STAR z=0.000 [386] STAR z=0.000 [387] STAR z=0.000 [388] STAR z=0.000
[389] STAR z=0.000 [390] STAR z=0.001 [391] STAR z=0.000 [392] STAR z=0.000
[393] STAR z=0.000 [394] STAR z=0.000 [395] STAR z=0.000 [396] STAR z=0.000
[397] STAR z=0.001 [398] GALAXY z=0.654 [399] STAR z=0.000 [400] STAR z=0.001
[401] STAR z=0.001 [402] STAR z=0.000 [403] STAR z=0.000 [404] STAR z=0.001
[405] STAR z=0.000 [406] STAR z=0.000 [407] STAR z=0.000 [408] STAR z=0.001
[409] STAR z=-0.00 [410] STAR z=-0.00 [411] STAR z=0.000 [412] STAR z=0.000
[413] STAR z=0.000 [414] STAR z=-0.00 [415] STAR z=0.000 [416] STAR z=0.000
[417] STAR z=0.000 [418] QSO z=0.475 [419] STAR z=0.001 [420] STAR z=0.000
[421] STAR z=-0.00 [422] STAR z=0.000 [423] STAR z=0.000 [424] STAR z=0.000
[425] STAR z=0.000 [426] STAR z=-0.00 [427] STAR z=0.001 [428] STAR z=0.000
[429] STAR z=0.000 [430] STAR z=0.000 [431] STAR z=0.000 [432] STAR z=0.000
[433] STAR z=-0.00 [434] STAR z=-0.00 [435] STAR z=-0.00 [436] GALAXY z=0.000
[437] STAR z=0.000 [438] STAR z=0.000 [439] STAR z=0.000 [440] GALAXY z=0.684
[441] STAR z=-0.00 [442] STAR z=0.000 [443] STAR z=-0.00 [444] STAR z=0.001
[445] STAR z=-0.00 [446] STAR z=0.000 [447] STAR z=-0.00 [448] STAR z=0.000
[449] STAR z=0.000 [450] STAR z=0.000 [451] STAR z=0.001 [452] STAR z=0.000
[453] STAR z=0.000 [454] STAR z=-0.00 [455] STAR z=-0.00 [456] STAR z=0.000
[457] GALAXY z=0.724 [458] STAR z=0.000 [459] STAR z=0.000 [460] STAR z=0.000
[461] STAR z=0.000 [462] STAR z=0.000 [463] STAR z=0.000 [464] GALAXY z=-0.00
[465] STAR z=0.000 [466] STAR z=0.000 [467] STAR z=0.000 [468] STAR z=0.000
[469] STAR z=-0.00 [470] STAR z=0.000 [471] STAR z=0.000 [472] STAR z=-0.00
[473] STAR z=0.000 [474] STAR z=-0.00 [475] STAR z=0.000 [476] STAR z=-0.00
[477] STAR z=0.000 [478] STAR z=0.001 [479] STAR z=0.001 [480] STAR z=0.000
[481] STAR z=0.003 [482] STAR z=0.000 [483] STAR z=0.000 [484] STAR z=0.000
[485] STAR z=0.000 [486] STAR z=0.000 [487] STAR z=-0.00 [488] STAR z=0.000
[489] STAR z=0.000 [490] STAR z=0.000 [491] STAR z=-0.00 [492] STAR z=0.000
[493] STAR z=0.001 [494] STAR z=-0.00 [495] STAR z=0.000 [496] STAR z=0.000
[497] STAR z=0.000 [498] STAR z=0.000 [499] STAR z=0.000 [500] STAR z=0.000
[501] STAR z=0.000 [502] STAR z=0.001 [503] STAR z=0.000 [504] STAR z=-0.00
[505] STAR z=0.000 [506] STAR z=0.000 [507] STAR z=-0.00 [508] STAR z=0.000
[509] QSO z=0.393 [510] STAR z=0.000 [511] STAR z=-0.00 [512] STAR z=0.001
[513] STAR z=0.000 [514] STAR z=0.000 [515] STAR z=-0.00 [516] STAR z=-0.00
[517] STAR z=0.000 [518] STAR z=0.000 [519] STAR z=0.000 [520] STAR z=0.000
[521] STAR z=-0.00 [522] STAR z=0.000 [523] STAR z=0.000 [524] STAR z=0.000
[525] STAR z=-0.00 [526] STAR z=0.000 [527] STAR z=0.000 [528] STAR z=0.000
[529] STAR z=-0.00 [530] STAR z=-0.00 [531] STAR z=0.000 [532] STAR z=0.000
[533] STAR z=-0.00 [534] STAR z=0.000 [535] STAR z=0.000 [536] STAR z=0.000
[537] STAR z=-0.00 [538] STAR z=0.001 [539] QSO z=0.945 [540] STAR z=0.000
[541] GALAXY z=0.740 [542] STAR z=0.000 [543] STAR z=0.000 [544] STAR z=0.000
[545] STAR z=0.000 [546] STAR z=0.000 [547] STAR z=-0.00 [548] STAR z=0.000
[549] STAR z=0.000 [550] STAR z=0.000 [551] STAR z=-0.00 [552] STAR z=-0.00
[553] STAR z=-0.00 [554] STAR z=0.000 [555] STAR z=0.000 [556] STAR z=0.001
[557] STAR z=0.000 [558] STAR z=0.000 [559] STAR z=0.001 [560] STAR z=0.000
[561] STAR z=0.000 [562] STAR z=-0.00 [563] STAR z=0.000 [564] STAR z=0.000
[565] STAR z=0.000 [566] STAR z=0.000 [567] STAR z=0.000 [568] STAR z=0.000
[569] STAR z=-0.00 [570] STAR z=-0.00 [571] STAR z=0.001 [572] STAR z=0.000
[573] STAR z=0.001 [574] STAR z=-0.00 [575] STAR z=0.000 [576] STAR z=-0.00
[577] STAR z=-0.00 [578] STAR z=0.000 [579] STAR z=0.000 [580] GALAXY z=0.208
[581] STAR z=0.000 [582] STAR z=-0.00 [583] STAR z=0.001 [584] STAR z=-0.00
[585] QSO z=1.345 [586] STAR z=-0.00 [587] STAR z=-0.00 [588] STAR z=0.001
[589] STAR z=0.000 [590] STAR z=-0.00 [591] STAR z=0.000 [592] STAR z=0.000
[593] STAR z=0.000 [594] STAR z=0.000 [595] STAR z=0.000 [596] STAR z=-0.00
[597] STAR z=0.001 [598] STAR z=0.000 [599] STAR z=0.001 [600] STAR z=0.000
[601] STAR z=0.000 [602] STAR z=0.000 [603] STAR z=0.000 [604] STAR z=-0.00
[605] STAR z=0.000 [606] STAR z=-0.00 [607] STAR z=0.001 [608] STAR z=0.000
[609] STAR z=0.000 [610] STAR z=0.000 [611] STAR z=-0.00 [612] STAR z=0.000
[613] STAR z=0.000 [614] STAR z=-0.00 [615] STAR z=-0.00 [616] STAR z=-0.00
[617] STAR z=0.000 [618] GALAXY z=0.641 [619] STAR z=0.000 [620] STAR z=-0.00
[621] STAR z=0.000 [622] GALAXY z=0.000 [623] STAR z=0.000 [624] STAR z=0.000
[625] STAR z=0.000 [626] STAR z=-0.00 [627] STAR z=0.000 [628] STAR z=0.000
[629] STAR z=-0.00 [630] STAR z=0.000 [631] STAR z=0.000 [632] STAR z=-0.00
[633] STAR z=0.000 [634] STAR z=0.000 [635] STAR z=0.001 [636] STAR z=0.000
[637] STAR z=0.000 [638] STAR z=-0.00 [639] STAR z=0.000 [640] STAR z=0.000