DR12
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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

plateID3727854674485813248
firstReleasedr8
plate3311
mjd54943
mjdList54943
surveysegue2
programNamesegue2
instrumentSDSS
chunk2009.02.a.segue2
plateRun2009.02.a.segue2
designComments
plateQualitygood
qualityCommentsstandard SEGUE-2
plateSN244.7559
deredSN2-9999
ra215.51601
dec35.862301
run2d104
run1d
runsspp122
tile-1
designID508
locationID297
iopVersionv4_39_0
camVersionSPEC1 v4_8
taiHMS08:15:55.07
dateObs2009-04-22
timeSystai
cx-0.659649897250779
cy-0.470801860251535
cz0.585839245391371
cartridgeID6
tai4747107074.54
taiBegin4747103064
taiEnd4747109274
airmass1.00971
mapMjd5494301
mapName3311-54943-01
plugFileplPlugMapM-3311-54943-01.par
expTime5402
expTimeB15402
expTimeB25402
expTimeR15402
expTimeR25402
vers2dNOCVS:v5_3_23
verscombNOCVS:v5_3_23
vers1dNOCVS:v5_3_23
snturnoff28.33424
nturnoff218
nExp12
nExpB13
nExpB23
nExpR13
nExpR23
sn1_g44.7559
sn1_r54.357
sn1_i48.1029
sn2_g74.7454
sn2_r62.0187
sn2_i52.7959
dered_sn1_g-9999
dered_sn1_r-9999
dered_sn1_i-9999
dered_sn2_g-9999
dered_sn2_r-9999
dered_sn2_i-9999
helioRV5.191404
gOffStd0.00770473
gRMSStd0.047121
rOffStd-0.00629854
rRMSStd0.0384676
iOffStd0.00255156
iRMSStd0.0361628
grOffStd0.0181684
grRMSStd0.0264287
riOffStd-0.00503111
riRMSStd0.0203394
gOffGal-0.000338554
gRMSGal0.117042
rOffGal0.00712013
rRMSGal0.0602961
iOffGal0.0179081
iRMSGal0.0575018
grOffGal-0.0221176
grRMSGal0.0782853
riOffGal-0.018364
riRMSGal0.0333885
nGuide108
seeing201.003333
seeing501.07
seeing801.16667
rmsoff200.1586233
rmsoff500.3206217
rmsoff800.4723673
airtemp11.63333
sfd_used0
xSigma0.99685
xSigMin0.93406
xSigMax1.05565
wSigma0.9161475
wSigMin0.86224
wSigMax1.06019
xChi21.833
xChi2Min1.39376
xChi2Max2.42938
skyChi21.250801
skyChi2Min1.077522
skyChi2Max1.383824
fBadPix0.0425105
fBadPix10.0491604
fBadPix20.0358606
status2dDone
statuscombineDone
status1dDone
nTotal640
nGalaxy0
nQSO12
nStar588
nSky32
nUnknown8
isBest1
isPrimary1
isTile0
ha0
mjdDesign54879
theta0
fscanVersionv4_3_1
fmapVersionv4_3_1
fscanModeextreme
fscanSpeed500
htmID15371132663281
loadVersion315

All Spectra on this plate

[1] STAR z=-0.00 [2] QSO z=1.303 [3] GALAXY z=0.761 [4] STAR z=-0.00
[5] GALAXY z=0.747 [6] STAR z=0.000 [7] STAR z=-0.00 [8] STAR z=-0.00
[9] STAR z=-0.00 [10] STAR z=-0.00 [11] STAR z=-0.00 [12] STAR z=-0.00
[13] STAR z=0.000 [14] STAR z=-0.00 [15] STAR z=0.000 [16] STAR z=-0.00
[17] STAR z=0.000 [18] STAR z=-0.00 [19] STAR z=0.000 [20] STAR z=-0.00
[21] STAR z=0.001 [22] STAR z=-0.00 [23] STAR z=-0.00 [24] STAR z=-0.00
[25] GALAXY z=0.403 [26] STAR z=-0.00 [27] STAR z=-0.00 [28] STAR z=-0.00
[29] STAR z=0.000 [30] STAR z=-0.00 [31] STAR z=-0.00 [32] STAR z=0.000
[33] STAR z=0.000 [34] STAR z=0.000 [35] STAR z=-0.00 [36] STAR z=-0.00
[37] STAR z=0.000 [38] STAR z=-0.00 [39] QSO z=0.172 [40] STAR z=-0.00
[41] STAR z=-0.00 [42] STAR z=-0.00 [43] STAR z=-0.00 [44] GALAXY z=0.740
[45] STAR z=-0.00 [46] STAR z=-0.00 [47] STAR z=-0.00 [48] STAR z=-0.00
[49] STAR z=-0.00 [50] STAR z=-0.00 [51] STAR z=-0.00 [52] STAR z=0.000
[53] STAR z=-0.00 [54] STAR z=-0.00 [55] STAR z=-0.00 [56] STAR z=-0.00
[57] STAR z=-0.00 [58] STAR z=-0.00 [59] STAR z=-0.00 [60] STAR z=0.000
[61] STAR z=0.000 [62] STAR z=-0.00 [63] STAR z=0.000 [64] STAR z=-0.00
[65] STAR z=0.000 [66] STAR z=-0.00 [67] STAR z=-0.00 [68] STAR z=-0.00
[69] STAR z=-0.00 [70] STAR z=-0.00 [71] STAR z=-0.00 [72] STAR z=-0.00
[73] STAR z=-0.00 [74] STAR z=-0.00 [75] STAR z=-0.00 [76] STAR z=-0.00
[77] STAR z=-0.00 [78] STAR z=-0.00 [79] QSO z=1.079 [80] STAR z=-0.00
[81] STAR z=-0.00 [82] STAR z=-0.00 [83] STAR z=-0.00 [84] STAR z=-0.00
[85] STAR z=-0.00 [86] STAR z=-0.00 [87] STAR z=-0.00 [88] STAR z=-0.00
[89] STAR z=-0.00 [90] STAR z=-0.00 [91] STAR z=-0.00 [92] STAR z=0.000
[93] STAR z=-0.00 [94] STAR z=-0.00 [95] STAR z=-0.00 [96] STAR z=-0.00
[97] STAR z=0.000 [98] STAR z=-0.00 [99] QSO z=0.739 [100] STAR z=-0.00
[101] STAR z=-0.00 [102] QSO z=1.255 [103] STAR z=0.000 [104] STAR z=-0.00
[105] STAR z=0.000 [106] STAR z=0.000 [107] STAR z=-0.00 [108] STAR z=-0.00
[109] STAR z=-0.00 [110] STAR z=-0.00 [111] STAR z=-0.00 [112] STAR z=-0.00
[113] STAR z=-0.00 [114] STAR z=-0.00 [115] STAR z=-0.00 [116] STAR z=-0.00
[117] STAR z=-0.00 [118] STAR z=0.002 [119] STAR z=-0.00 [120] STAR z=-0.00
[121] QSO z=1.820 [122] STAR z=0.000 [123] STAR z=-0.00 [124] STAR z=-0.00
[125] STAR z=-0.00 [126] STAR z=-0.00 [127] STAR z=-0.00 [128] STAR z=-0.00
[129] STAR z=-0.00 [130] STAR z=0.000 [131] STAR z=-0.00 [132] STAR z=-0.00
[133] QSO z=1.136 [134] STAR z=-0.00 [135] STAR z=-0.00 [136] STAR z=0.000
[137] STAR z=-0.00 [138] STAR z=-0.00 [139] STAR z=-0.00 [140] STAR z=-0.00
[141] STAR z=0.000 [142] GALAXY z=0.000 [143] STAR z=-0.00 [144] STAR z=-0.00
[145] STAR z=-0.00 [146] STAR z=0.000 [147] STAR z=-0.00 [148] STAR z=0.000
[149] STAR z=-0.00 [150] STAR z=0.000 [151] STAR z=-0.00 [152] STAR z=-0.00
[153] STAR z=-0.00 [154] STAR z=0.000 [155] STAR z=-0.00 [156] STAR z=0.000
[157] STAR z=-0.00 [158] STAR z=-0.00 [159] STAR z=-0.00 [160] STAR z=-0.00
[161] STAR z=-0.00 [162] STAR z=0.000 [163] STAR z=-0.00 [164] QSO z=0.571
[165] GALAXY z=0.000 [166] STAR z=-0.00 [167] STAR z=0.000 [168] STAR z=0.000
[169] STAR z=-0.00 [170] STAR z=-0.00 [171] STAR z=0.000 [172] STAR z=-0.00
[173] STAR z=-0.00 [174] STAR z=-0.00 [175] STAR z=0.000 [176] STAR z=-0.00
[177] GALAXY z=0.000 [178] STAR z=-0.00 [179] STAR z=0.000 [180] STAR z=-0.00
[181] QSO z=0.397 [182] STAR z=-0.00 [183] STAR z=-0.00 [184] STAR z=-0.00
[185] STAR z=-0.00 [186] STAR z=-0.00 [187] STAR z=-0.00 [188] STAR z=-0.00
[189] STAR z=-0.00 [190] STAR z=-0.00 [191] STAR z=-0.00 [192] STAR z=-0.00
[193] STAR z=-0.00 [194] STAR z=-0.00 [195] STAR z=-0.00 [196] STAR z=-0.00
[197] STAR z=-0.00 [198] STAR z=-0.00 [199] STAR z=-0.00 [200] STAR z=-0.00
[201] STAR z=-0.00 [202] STAR z=-0.00 [203] QSO z=2.940 [204] STAR z=0.000
[205] STAR z=-0.00 [206] STAR z=-0.00 [207] STAR z=-0.00 [208] STAR z=0.000
[209] STAR z=-0.00 [210] STAR z=-0.00 [211] STAR z=-0.00 [212] STAR z=-0.00
[213] STAR z=-0.00 [214] STAR z=-0.00 [215] STAR z=-0.00 [216] STAR z=-0.00
[217] STAR z=-0.00 [218] STAR z=-0.00 [219] STAR z=0.000 [220] STAR z=-0.00
[221] STAR z=-0.00 [222] STAR z=-0.00 [223] STAR z=-0.00 [224] STAR z=-0.00
[225] STAR z=-0.00 [226] STAR z=-0.00 [227] STAR z=-0.00 [228] STAR z=-0.00
[229] STAR z=-0.00 [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=-0.00 [236] STAR z=-0.00
[237] STAR z=-0.00 [238] STAR z=-0.00 [239] STAR z=-0.00 [240] GALAXY z=0.785
[241] STAR z=-0.00 [242] STAR z=-0.00 [243] STAR z=-0.00 [244] STAR z=-0.00
[245] STAR z=0.000 [246] STAR z=-0.00 [247] STAR z=-0.00 [248] STAR z=-0.00
[249] STAR z=-0.00 [250] STAR z=-0.00 [251] STAR z=-0.00 [252] STAR z=-0.00
[253] STAR z=-0.00 [254] STAR z=-0.00 [255] STAR z=-0.00 [256] STAR z=-0.00
[257] STAR z=-0.00 [258] STAR z=-0.00 [259] QSO z=1.372 [260] STAR z=-0.00
[261] STAR z=-0.00 [262] GALAXY z=0.698 [263] STAR z=0.000 [264] STAR z=-0.00
[265] STAR z=0.000 [266] STAR z=-0.00 [267] STAR z=-0.00 [268] STAR z=-0.00
[269] STAR z=-0.00 [270] STAR z=-0.00 [271] STAR z=-0.00 [272] STAR z=-0.00
[273] STAR z=-0.00 [274] STAR z=-0.00 [275] STAR z=-0.00 [276] STAR z=-0.00
[277] STAR z=-0.00 [278] STAR z=-0.00 [279] STAR z=-0.00 [280] STAR z=-0.00
[281] STAR z=-0.00 [282] STAR z=0.000 [283] STAR z=0.000 [284] STAR z=0.000
[285] STAR z=-0.00 [286] STAR z=-0.00 [287] STAR z=-0.00 [288] STAR z=0.000
[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=-0.00 [295] STAR z=0.000 [296] STAR z=-0.00
[297] QSO z=2.813 [298] STAR z=-0.00 [299] STAR z=-0.00 [300] STAR z=-0.00
[301] STAR z=-0.00 [302] STAR z=-0.00 [303] STAR z=-0.00 [304] STAR z=-0.00
[305] STAR z=0.000 [306] STAR z=0.000 [307] STAR z=0.000 [308] STAR z=0.000
[309] STAR z=-0.00 [310] STAR z=0.001 [311] STAR z=-0.00 [312] STAR z=-0.00
[313] STAR z=-0.00 [314] STAR z=0.000 [315] STAR z=-0.00 [316] STAR z=0.000
[317] GALAXY z=0.696 [318] STAR z=0.000 [319] STAR z=-0.00 [320] STAR z=-0.00
[321] STAR z=-0.00 [322] STAR z=-0.00 [323] STAR z=-0.00 [324] STAR z=-0.00
[325] STAR z=0.000 [326] STAR z=-0.00 [327] STAR z=-0.00 [328] STAR z=-0.00
[329] STAR z=-0.00 [330] STAR z=-0.00 [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=0.001
[337] STAR z=-0.00 [338] STAR z=0.000 [339] STAR z=-0.00 [340] STAR z=-0.00
[341] STAR z=0.000 [342] STAR z=0.000 [343] STAR z=-0.00 [344] STAR z=-0.00
[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=-0.00
[353] STAR z=-0.00 [354] STAR z=-0.00 [355] STAR z=-0.00 [356] STAR z=0.000
[357] STAR z=-0.00 [358] QSO z=3.386 [359] STAR z=-0.00 [360] STAR z=-0.00
[361] STAR z=0.000 [362] STAR z=0.000 [363] STAR z=-0.00 [364] STAR z=-0.00
[365] STAR z=-0.00 [366] STAR z=-0.00 [367] STAR z=-0.00 [368] STAR z=0.000
[369] STAR z=-0.00 [370] STAR z=-0.00 [371] STAR z=0.000 [372] STAR z=-0.00
[373] STAR z=-0.00 [374] STAR z=0.000 [375] STAR z=-0.00 [376] STAR z=0.000
[377] STAR z=0.000 [378] GALAXY z=0.861 [379] STAR z=-0.00 [380] STAR z=-0.00
[381] STAR z=-0.00 [382] QSO z=0.404 [383] STAR z=-0.00 [384] STAR z=-0.00
[385] STAR z=-0.00 [386] STAR z=-0.00 [387] STAR z=0.000 [388] STAR z=0.000
[389] STAR z=-0.00 [390] STAR z=-0.00 [391] STAR z=-0.00 [392] STAR z=-0.00
[393] STAR z=-0.00 [394] STAR z=-0.00 [395] STAR z=0.000 [396] STAR z=-0.00
[397] GALAXY z=0.000 [398] STAR z=-0.00 [399] STAR z=-0.00 [400] STAR z=-0.00
[401] STAR z=0.000 [402] STAR z=-0.00 [403] STAR z=-0.00 [404] STAR z=0.000
[405] STAR z=-0.00 [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] STAR z=-0.00 [414] STAR z=-0.00 [415] STAR z=-0.00 [416] STAR z=0.000
[417] STAR z=-0.00 [418] GALAXY z=0.708 [419] STAR z=-0.00 [420] STAR z=-0.00
[421] STAR z=0.000 [422] STAR z=-0.00 [423] STAR z=-0.00 [424] STAR z=-0.00
[425] QSO z=1.227 [426] STAR z=-0.00 [427] STAR z=0.000 [428] STAR z=-0.00
[429] STAR z=-0.00 [430] STAR z=0.000 [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] STAR z=-0.00
[437] STAR z=-0.00 [438] STAR z=-0.00 [439] STAR z=-0.00 [440] STAR z=-0.00
[441] STAR z=-0.00 [442] STAR z=-0.00 [443] STAR z=-0.00 [444] STAR z=0.000
[445] QSO z=1.252 [446] STAR z=-0.00 [447] STAR z=-0.00 [448] STAR z=0.000
[449] STAR z=-0.00 [450] STAR z=-0.00 [451] STAR z=-0.00 [452] STAR z=-0.00
[453] STAR z=-0.00 [454] STAR z=-0.00 [455] STAR z=-0.00 [456] STAR z=-0.00
[457] STAR z=0.000 [458] STAR z=-0.00 [459] STAR z=0.000 [460] STAR z=-0.00
[461] STAR z=-0.00 [462] QSO z=1.230 [463] STAR z=-0.00 [464] STAR z=-0.00
[465] STAR z=-0.00 [466] STAR z=-0.00 [467] STAR z=-0.00 [468] STAR z=-0.00
[469] STAR z=-0.00 [470] STAR z=-0.00 [471] STAR z=-0.00 [472] STAR z=-0.00
[473] STAR z=-0.00 [474] STAR z=-0.00 [475] STAR z=-0.00 [476] STAR z=0.000
[477] QSO z=0.160 [478] STAR z=0.000 [479] STAR z=-0.00 [480] STAR z=-0.00
[481] QSO z=1.129 [482] STAR z=0.000 [483] STAR z=-0.00 [484] STAR z=-0.00
[485] STAR z=-0.00 [486] STAR z=-0.00 [487] STAR z=-0.00 [488] STAR z=-0.00
[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=-0.00 [495] STAR z=0.000 [496] STAR z=-0.00
[497] QSO z=1.768 [498] STAR z=-0.00 [499] STAR z=0.000 [500] QSO z=2.684
[501] STAR z=-0.00 [502] STAR z=-0.00 [503] STAR z=0.000 [504] STAR z=-0.00
[505] STAR z=-0.00 [506] STAR z=-0.00 [507] STAR z=-0.00 [508] STAR z=0.000
[509] STAR z=0.000 [510] STAR z=0.000 [511] STAR z=-0.00 [512] STAR z=-0.00
[513] STAR z=-0.00 [514] STAR z=-0.00 [515] STAR z=-0.00 [516] STAR z=-0.00
[517] STAR z=-0.00 [518] STAR z=-0.00 [519] GALAXY z=0.560 [520] STAR z=0.000
[521] STAR z=-0.00 [522] QSO z=3.522 [523] STAR z=-0.00 [524] QSO z=1.142
[525] STAR z=-0.00 [526] STAR z=-0.00 [527] STAR z=-0.00 [528] STAR z=-0.00
[529] STAR z=0.000 [530] STAR z=-0.00 [531] STAR z=-0.00 [532] STAR z=-0.00
[533] STAR z=0.000 [534] STAR z=-0.00 [535] STAR z=-0.00 [536] STAR z=-0.00
[537] STAR z=0.000 [538] STAR z=-0.00 [539] STAR z=0.000 [540] STAR z=0.000
[541] STAR z=-0.00 [542] STAR z=-0.00 [543] STAR z=0.000 [544] QSO z=2.627
[545] STAR z=-0.00 [546] STAR z=-0.00 [547] STAR z=0.000 [548] STAR z=-0.00
[549] GALAXY z=0.000 [550] STAR z=-0.00 [551] STAR z=-0.00 [552] STAR z=-0.00
[553] STAR z=-0.00 [554] QSO z=1.323 [555] STAR z=-0.00 [556] STAR z=-0.00
[557] STAR z=0.000 [558] STAR z=0.000 [559] QSO z=5.592 [560] QSO z=2.681
[561] STAR z=-0.00 [562] STAR z=-0.00 [563] STAR z=-0.00 [564] STAR z=-0.00
[565] STAR z=-0.00 [566] STAR z=-0.00 [567] STAR z=-0.00 [568] STAR z=0.000
[569] STAR z=-0.00 [570] STAR z=0.000 [571] STAR z=-0.00 [572] STAR z=-0.00
[573] STAR z=-0.00 [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=-0.00 [580] STAR z=-0.00
[581] STAR z=-0.00 [582] STAR z=-0.00 [583] GALAXY z=0.594 [584] STAR z=-0.00
[585] STAR z=0.000 [586] STAR z=-0.00 [587] STAR z=-0.00 [588] STAR z=-0.00
[589] STAR z=-0.00 [590] STAR z=-0.00 [591] STAR z=-0.00 [592] STAR z=0.000
[593] STAR z=-0.00 [594] STAR z=-0.00 [595] STAR z=-0.00 [596] STAR z=-0.00
[597] STAR z=-0.00 [598] STAR z=-0.00 [599] STAR z=0.000 [600] STAR z=-0.00
[601] STAR z=0.000 [602] QSO z=0.410 [603] STAR z=-0.00 [604] STAR z=-0.00
[605] STAR z=-0.00 [606] STAR z=0.000 [607] STAR z=-0.00 [608] STAR z=-0.00
[609] STAR z=0.000 [610] STAR z=-0.00 [611] STAR z=-0.00 [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=-0.00 [618] STAR z=-0.00 [619] STAR z=-0.00 [620] STAR z=0.000
[621] STAR z=-0.00 [622] STAR z=-0.00 [623] QSO z=0.457 [624] STAR z=0.000
[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=0.000 [631] STAR z=-0.00 [632] STAR z=-0.00
[633] STAR z=-0.00 [634] STAR z=-0.00 [635] STAR z=0.000 [636] STAR z=-0.00
[637] STAR z=-0.00 [638] GALAXY z=0.000 [639] STAR z=-0.00 [640] STAR z=-0.00