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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

plateID3573606385201553408
firstReleasedr8
plate3174
mjd54821
mjdList54819 54821
surveysegue2
programNamesegue2
instrumentSDSS
chunknov08c
plateRunnov08c
designCommentssegue2
plateQualitygood
qualityCommentsstandard SEGUE-2
plateSN260.8569
deredSN2-9999
ra126.283
dec47.258701
run2d104
run1d
runsspp122
tile-1
designID374
locationID162
iopVersionv4_39_0
camVersionSPEC1 v4_8
taiHMS07:50:58.81
dateObs2008-12-19
timeSystai
cx-0.401630655752332
cy0.547094029712108
cz0.734425584394579
cartridgeID3
tai4736434302.87
taiBegin4736388276
taiEnd4736566463
airmass1.11542
mapMjd5481901
mapName3174-54819-01
plugFileplPlugMapM-3174-54819-01.par
expTime14705
expTimeB114705
expTimeB214705
expTimeR114705
expTimeR214705
vers2dNOCVS:v5_3_23
verscombNOCVS:v5_3_23
vers1dNOCVS:v5_3_23
snturnoff38.50793
nturnoff204
nExp36
nExpB19
nExpB29
nExpR19
nExpR29
sn1_g72.1842
sn1_r67.9292
sn1_i60.8569
sn2_g83.1074
sn2_r72.4106
sn2_i70.9527
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-12.83758
gOffStd-0.00401688
gRMSStd0.0468145
rOffStd-0.021276
rRMSStd0.0374419
iOffStd-0.0164742
iRMSStd0.0272205
grOffStd0.00247097
grRMSStd0.0253045
riOffStd0.00292206
riRMSStd0.0279249
gOffGal0.202371
gRMSGal0.192266
rOffGal0.1015
rRMSGal0.0890913
iOffGal0.0345039
iRMSGal0.0621659
grOffGal0.0887985
grRMSGal0.125024
riOffGal0.0633917
riRMSGal0.0542832
nGuide90
seeing201.237778
seeing501.36444
seeing801.53444
rmsoff200.2331069
rmsoff500.3926218
rmsoff800.5600396
airtemp-1.011111
sfd_used0
xSigma0.9736875
xSigMin0.912529
xSigMax1.01669
wSigma0.9271954
wSigMin0.867416
wSigMax1.05702
xChi21.56421
xChi2Min1.20764
xChi2Max2.16395
skyChi21.159641
skyChi2Min1.021783
skyChi2Max1.443192
fBadPix0.0653465
fBadPix10.072459
fBadPix20.0583011
status2dDone
statuscombineDone
status1dDone
nTotal640
nGalaxy2
nQSO5
nStar588
nSky32
nUnknown13
isBest1
isPrimary1
isTile0
ha-45
mjdDesign54794
theta0
fscanVersionv4_3_1
fmapVersionv4_3_1
fscanModeextreme
fscanSpeed500
htmID16266256922733
loadVersion10

All Spectra on this plate

[1] QSO z=1.137 [2] STAR z=-0.00 [3] STAR z=-0.00 [4] STAR z=0.000
[5] STAR z=-0.00 [6] STAR z=-0.00 [7] STAR z=-0.00 [8] STAR z=0.000
[9] STAR z=-0.00 [10] STAR z=0.000 [11] STAR z=0.000 [12] STAR z=0.000
[13] STAR z=-0.00 [14] STAR z=0.001 [15] STAR z=0.001 [16] STAR z=0.000
[17] QSO z=1.202 [18] STAR z=-0.00 [19] STAR z=0.000 [20] STAR z=-0.00
[21] STAR z=0.000 [22] STAR z=0.000 [23] STAR z=0.000 [24] STAR z=-0.00
[25] STAR z=-0.00 [26] STAR z=-0.00 [27] STAR z=0.000 [28] STAR z=-0.00
[29] STAR z=-0.00 [30] STAR z=0.000 [31] STAR z=0.000 [32] STAR z=0.000
[33] STAR z=0.000 [34] STAR z=-0.00 [35] STAR z=0.000 [36] STAR z=0.000
[37] STAR z=-0.00 [38] QSO z=2.880 [39] GALAXY z=0.474 [40] STAR z=-0.00
[41] STAR z=0.001 [42] STAR z=0.000 [43] STAR z=0.000 [44] STAR z=0.000
[45] STAR z=-0.00 [46] STAR z=0.000 [47] STAR z=-0.00 [48] STAR z=0.000
[49] STAR z=0.000 [50] STAR z=0.000 [51] STAR z=-0.00 [52] STAR z=-0.00
[53] STAR z=-0.00 [54] STAR z=-0.00 [55] STAR z=0.000 [56] STAR z=-0.00
[57] STAR z=-0.00 [58] STAR z=-0.00 [59] STAR z=-0.00 [60] STAR z=-0.00
[61] GALAXY z=0.690 [62] STAR z=0.000 [63] STAR z=0.000 [64] STAR z=-0.00
[65] STAR z=-0.00 [66] STAR z=0.000 [67] STAR z=0.000 [68] STAR z=-0.00
[69] STAR z=0.000 [70] STAR z=0.000 [71] STAR z=0.000 [72] STAR z=-0.00
[73] STAR z=-0.00 [74] STAR z=0.000 [75] STAR z=-0.00 [76] STAR z=-0.00
[77] STAR z=0.000 [78] STAR z=-0.00 [79] STAR z=-0.00 [80] STAR z=-0.00
[81] STAR z=0.000 [82] STAR z=0.000 [83] STAR z=-0.00 [84] STAR z=0.000
[85] STAR z=0.004 [86] STAR z=-0.00 [87] STAR z=0.000 [88] STAR z=0.000
[89] STAR z=0.000 [90] STAR z=0.000 [91] STAR z=0.000 [92] STAR z=0.000
[93] STAR z=0.000 [94] STAR z=-0.00 [95] STAR z=-0.00 [96] STAR z=0.002
[97] STAR z=0.000 [98] STAR z=0.000 [99] STAR z=-0.00 [100] STAR z=-0.00
[101] STAR z=-0.00 [102] STAR z=0.000 [103] QSO z=5.378 [104] STAR z=-0.00
[105] STAR z=-0.00 [106] STAR z=-0.00 [107] STAR z=-0.00 [108] STAR z=-0.00
[109] STAR z=0.000 [110] STAR z=0.000 [111] STAR z=0.000 [112] STAR z=-0.00
[113] STAR z=0.000 [114] STAR z=0.000 [115] STAR z=0.000 [116] STAR z=0.000
[117] STAR z=-0.00 [118] STAR z=0.000 [119] STAR z=0.000 [120] STAR z=-0.00
[121] STAR z=0.000 [122] STAR z=-0.00 [123] STAR z=-0.00 [124] STAR z=-0.00
[125] STAR z=0.000 [126] STAR z=-0.00 [127] STAR z=0.000 [128] STAR z=-0.00
[129] STAR z=0.000 [130] STAR z=-0.00 [131] STAR z=-0.00 [132] GALAXY z=0.000
[133] STAR z=0.000 [134] STAR z=-0.00 [135] STAR z=-0.00 [136] STAR z=-0.00
[137] STAR z=0.000 [138] STAR z=-0.00 [139] STAR z=0.000 [140] STAR z=0.000
[141] STAR z=0.000 [142] QSO z=1.040 [143] STAR z=-0.00 [144] STAR z=-0.00
[145] STAR z=-0.00 [146] STAR z=-0.00 [147] STAR z=0.000 [148] STAR z=-0.00
[149] STAR z=-0.00 [150] STAR z=0.000 [151] STAR z=-0.00 [152] STAR z=-0.00
[153] STAR z=0.000 [154] STAR z=-0.00 [155] GALAXY z=0.125 [156] STAR z=0.000
[157] STAR z=-0.00 [158] STAR z=0.000 [159] STAR z=0.000 [160] STAR z=-0.00
[161] GALAXY z=0.822 [162] STAR z=-0.00 [163] STAR z=0.000 [164] STAR z=0.000
[165] STAR z=0.000 [166] STAR z=-0.00 [167] STAR z=-0.00 [168] STAR z=0.000
[169] STAR z=-0.00 [170] STAR z=-0.00 [171] STAR z=-0.00 [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=-0.00 [178] STAR z=-0.00 [179] STAR z=-0.00 [180] STAR z=-0.00
[181] STAR z=-0.00 [182] STAR z=0.000 [183] STAR z=0.000 [184] STAR z=0.000
[185] STAR z=-0.00 [186] STAR z=0.000 [187] STAR z=-0.00 [188] STAR z=0.000
[189] STAR z=-0.00 [190] STAR z=0.000 [191] STAR z=-0.00 [192] GALAXY z=0.000
[193] STAR z=-0.00 [194] STAR z=0.001 [195] STAR z=-0.00 [196] STAR z=0.000
[197] STAR z=0.001 [198] STAR z=0.000 [199] STAR z=-0.00 [200] STAR z=0.000
[201] STAR z=0.000 [202] STAR z=0.004 [203] STAR z=0.000 [204] STAR z=-0.00
[205] STAR z=-0.00 [206] STAR z=0.000 [207] STAR z=-0.00 [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=-0.00 [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=-0.00 [220] STAR z=0.000
[221] STAR z=0.000 [222] STAR z=0.000 [223] STAR z=-0.00 [224] GALAXY z=0.000
[225] STAR z=-0.00 [226] STAR z=-0.00 [227] STAR z=0.000 [228] STAR z=0.000
[229] STAR z=0.000 [230] STAR z=-0.00 [231] STAR z=-0.00 [232] STAR z=-0.00
[233] STAR z=-0.00 [234] STAR z=-0.00 [235] STAR z=0.000 [236] STAR z=-0.00
[237] STAR z=-0.00 [238] STAR z=0.000 [239] STAR z=0.000 [240] STAR z=0.000
[241] QSO z=1.140 [242] STAR z=0.000 [243] STAR z=-0.00 [244] STAR z=0.000
[245] STAR z=-0.00 [246] STAR z=-0.00 [247] STAR z=0.000 [248] STAR z=0.000
[249] STAR z=0.001 [250] STAR z=0.000 [251] GALAXY z=0.000 [252] STAR z=-0.00
[253] STAR z=0.000 [254] STAR z=-0.00 [255] STAR z=-0.00 [256] STAR z=0.000
[257] STAR z=0.000 [258] STAR z=-0.00 [259] STAR z=-0.00 [260] STAR z=-0.00
[261] STAR z=0.000 [262] STAR z=-0.00 [263] STAR z=0.000 [264] QSO z=1.117
[265] STAR z=-0.00 [266] STAR z=0.000 [267] STAR z=-0.00 [268] STAR z=0.000
[269] STAR z=-0.00 [270] STAR z=-0.00 [271] STAR z=-0.00 [272] STAR z=0.000
[273] GALAXY z=0.000 [274] STAR z=-0.00 [275] STAR z=0.000 [276] STAR z=-0.00
[277] STAR z=0.000 [278] STAR z=0.000 [279] STAR z=-0.00 [280] STAR z=0.000
[281] STAR z=0.000 [282] STAR z=-0.00 [283] STAR z=-0.00 [284] STAR z=-0.00
[285] STAR z=-0.00 [286] STAR z=-0.00 [287] STAR z=0.000 [288] STAR z=-0.00
[289] STAR z=-0.00 [290] STAR z=-0.00 [291] STAR z=-0.00 [292] STAR z=-0.00
[293] STAR z=-0.00 [294] STAR z=0.000 [295] STAR z=0.000 [296] STAR z=0.000
[297] STAR z=-0.00 [298] STAR z=-0.00 [299] STAR z=0.000 [300] GALAXY z=0.748
[301] STAR z=-0.00 [302] STAR z=0.000 [303] STAR z=-0.00 [304] STAR z=0.000
[305] STAR z=0.000 [306] STAR z=0.000 [307] STAR z=0.000 [308] STAR z=-0.00
[309] STAR z=-0.00 [310] STAR z=-0.00 [311] STAR z=-0.00 [312] STAR z=-0.00
[313] STAR z=-0.00 [314] STAR z=-0.00 [315] STAR z=-0.00 [316] STAR z=0.000
[317] STAR z=0.000 [318] STAR z=-0.00 [319] GALAXY z=0.682 [320] STAR z=-0.00
[321] STAR z=0.000 [322] STAR z=0.000 [323] STAR z=-0.00 [324] STAR z=-0.00
[325] GALAXY z=0.720 [326] STAR z=0.000 [327] STAR z=0.000 [328] STAR z=-0.00
[329] STAR z=-0.00 [330] STAR z=0.000 [331] STAR z=-0.00 [332] STAR z=-0.00
[333] STAR z=-0.00 [334] STAR z=-0.00 [335] STAR z=-0.00 [336] STAR z=-0.00
[337] STAR z=0.000 [338] STAR z=0.000 [339] STAR z=-0.00 [340] STAR z=-0.00
[341] STAR z=-0.00 [342] STAR z=0.000 [343] STAR z=-0.00 [344] QSO z=1.098
[345] STAR z=-0.00 [346] STAR z=-0.00 [347] STAR z=-0.00 [348] STAR z=-0.00
[349] STAR z=-0.00 [350] STAR z=-0.00 [351] STAR z=-0.00 [352] STAR z=0.000
[353] STAR z=0.000 [354] STAR z=-0.00 [355] STAR z=-0.00 [356] STAR z=-0.00
[357] GALAXY z=0.660 [358] STAR z=-0.00 [359] STAR z=-0.00 [360] STAR z=-0.00
[361] STAR z=0.000 [362] STAR z=-0.00 [363] STAR z=0.000 [364] STAR z=-0.00
[365] STAR z=-0.00 [366] STAR z=0.000 [367] STAR z=0.000 [368] STAR z=0.000
[369] STAR z=-0.00 [370] STAR z=-0.00 [371] GALAXY z=0.761 [372] STAR z=-0.00
[373] STAR z=0.000 [374] STAR z=0.000 [375] STAR z=-0.00 [376] QSO z=1.859
[377] STAR z=0.000 [378] STAR z=-0.00 [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=-0.00 [386] STAR z=-0.00 [387] STAR z=0.000 [388] STAR z=-0.00
[389] STAR z=-0.00 [390] STAR z=-0.00 [391] STAR z=-0.00 [392] STAR z=-0.00
[393] QSO z=1.415 [394] STAR z=-0.00 [395] STAR z=0.000 [396] STAR z=-0.00
[397] STAR z=-0.00 [398] STAR z=0.000 [399] STAR z=-0.00 [400] STAR z=0.000
[401] STAR z=-0.00 [402] STAR z=0.001 [403] STAR z=0.004 [404] STAR z=-0.00
[405] STAR z=0.000 [406] STAR z=-0.00 [407] STAR z=-0.00 [408] STAR z=-0.00
[409] STAR z=-0.00 [410] STAR z=-0.00 [411] STAR z=-0.00 [412] STAR z=-0.00
[413] QSO z=0.000 [414] STAR z=-0.00 [415] STAR z=0.000 [416] STAR z=-0.00
[417] STAR z=-0.00 [418] STAR z=0.000 [419] STAR z=0.000 [420] STAR z=0.000
[421] STAR z=-0.00 [422] STAR z=-0.00 [423] STAR z=-0.00 [424] STAR z=-0.00
[425] STAR z=-0.00 [426] STAR z=-0.00 [427] STAR z=0.000 [428] QSO z=1.125
[429] STAR z=0.000 [430] STAR z=-0.00 [431] STAR z=-0.00 [432] STAR z=-0.00
[433] STAR z=-0.00 [434] STAR z=-0.00 [435] STAR z=0.000 [436] GALAXY z=0.000
[437] STAR z=0.000 [438] STAR z=-0.00 [439] STAR z=0.000 [440] STAR z=-0.00
[441] STAR z=-0.00 [442] QSO z=1.250 [443] STAR z=-0.00 [444] STAR z=0.000
[445] STAR z=0.000 [446] STAR z=-0.00 [447] STAR z=0.000 [448] STAR z=-0.00
[449] STAR z=-0.00 [450] STAR z=-0.00 [451] STAR z=0.000 [452] STAR z=0.000
[453] STAR z=0.000 [454] STAR z=-0.00 [455] STAR z=-0.00 [456] STAR z=-0.00
[457] STAR z=-0.00 [458] STAR z=-0.00 [459] STAR z=0.000 [460] STAR z=-0.00
[461] STAR z=0.003 [462] STAR z=-0.00 [463] STAR z=0.000 [464] STAR z=-0.00
[465] STAR z=0.000 [466] STAR z=-0.00 [467] STAR z=-0.00 [468] STAR z=-0.00
[469] STAR z=-0.00 [470] STAR z=0.000 [471] STAR z=0.000 [472] STAR z=0.000
[473] STAR z=-0.00 [474] STAR z=0.000 [475] STAR z=-0.00 [476] STAR z=-0.00
[477] STAR z=-0.00 [478] STAR z=-0.00 [479] STAR z=0.000 [480] STAR z=-0.00
[481] STAR z=-0.00 [482] STAR z=0.000 [483] STAR z=-0.00 [484] STAR z=0.000
[485] STAR z=-0.00 [486] STAR z=0.000 [487] STAR z=0.000 [488] STAR z=0.000
[489] STAR z=-0.00 [490] STAR z=-0.00 [491] STAR z=0.000 [492] STAR z=-0.00
[493] STAR z=-0.00 [494] STAR z=0.000 [495] STAR z=0.000 [496] STAR z=0.003
[497] STAR z=-0.00 [498] STAR z=-0.00 [499] STAR z=-0.00 [500] STAR z=0.000
[501] STAR z=-0.00 [502] STAR z=-0.00 [503] STAR z=-0.00 [504] STAR z=-0.00
[505] STAR z=-0.00 [506] STAR z=0.000 [507] STAR z=0.000 [508] STAR z=-0.00
[509] GALAXY z=0.717 [510] STAR z=-0.00 [511] STAR z=-0.00 [512] STAR z=-0.00
[513] STAR z=0.000 [514] STAR z=-0.00 [515] STAR z=-0.00 [516] STAR z=-0.00
[517] STAR z=0.000 [518] STAR z=0.000 [519] STAR z=-0.00 [520] STAR z=0.000
[521] STAR z=0.000 [522] STAR z=-0.00 [523] STAR z=0.000 [524] STAR z=0.000
[525] STAR z=-0.00 [526] STAR z=-0.00 [527] STAR z=-0.00 [528] STAR z=0.000
[529] STAR z=-0.00 [530] STAR z=-0.00 [531] STAR z=-0.00 [532] STAR z=0.000
[533] STAR z=0.000 [534] STAR z=-0.00 [535] STAR z=-0.00 [536] GALAXY z=0.769
[537] STAR z=0.000 [538] STAR z=-0.00 [539] STAR z=-0.00 [540] STAR z=0.000
[541] GALAXY z=0.724 [542] STAR z=0.000 [543] STAR z=0.000 [544] STAR z=-0.00
[545] STAR z=0.000 [546] STAR z=0.000 [547] STAR z=-0.00 [548] STAR z=-0.00
[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=-0.00 [555] STAR z=-0.00 [556] STAR z=0.000
[557] STAR z=-0.00 [558] STAR z=-0.00 [559] STAR z=-0.00 [560] STAR z=0.000
[561] STAR z=-0.00 [562] STAR z=-0.00 [563] STAR z=-0.00 [564] STAR z=-0.00
[565] STAR z=0.000 [566] STAR z=0.000 [567] STAR z=0.000 [568] STAR z=-0.00
[569] STAR z=-0.00 [570] STAR z=0.000 [571] STAR z=0.000 [572] STAR z=0.000
[573] STAR z=-0.00 [574] STAR z=0.000 [575] STAR z=0.000 [576] STAR z=0.000
[577] STAR z=-0.00 [578] STAR z=-0.00 [579] STAR z=-0.00 [580] QSO z=3.529
[581] STAR z=-0.00 [582] STAR z=0.000 [583] STAR z=0.000 [584] STAR z=-0.00
[585] GALAXY z=0.715 [586] STAR z=-0.00 [587] STAR z=-0.00 [588] STAR z=0.000
[589] STAR z=0.000 [590] STAR z=-0.00 [591] STAR z=-0.00 [592] STAR z=-0.00
[593] STAR z=0.000 [594] STAR z=-0.00 [595] STAR z=0.000 [596] STAR z=-0.00
[597] STAR z=-0.00 [598] STAR z=-0.00 [599] STAR z=0.000 [600] STAR z=0.000
[601] STAR z=-0.00 [602] STAR z=0.000 [603] STAR z=-0.00 [604] STAR z=0.004
[605] STAR z=0.000 [606] STAR z=-0.00 [607] STAR z=-0.00 [608] STAR z=-0.00
[609] STAR z=-0.00 [610] STAR z=0.000 [611] STAR z=0.001 [612] STAR z=-0.00
[613] STAR z=-0.00 [614] STAR z=-0.00 [615] STAR z=-0.00 [616] STAR z=-0.00
[617] STAR z=0.001 [618] STAR z=0.000 [619] STAR z=-0.00 [620] STAR z=0.000
[621] STAR z=-0.00 [622] GALAXY z=0.000 [623] STAR z=-0.00 [624] STAR z=-0.00
[625] STAR z=0.000 [626] STAR z=-0.00 [627] STAR z=-0.00 [628] STAR z=-0.00
[629] STAR z=-0.00 [630] STAR z=0.001 [631] STAR z=-0.00 [632] STAR z=-0.00
[633] STAR z=-0.00 [634] STAR z=-0.00 [635] STAR z=-0.00 [636] QSO z=2.553
[637] STAR z=0.000 [638] STAR z=0.000 [639] STAR z=-0.00 [640] STAR z=-0.00