Subject: Re: [sdss3-25mlog 1200] 2.5m obslog 20130413 (MJD 56396) From: "John K. Parejko" Date: Sun, 14 Apr 2013 11:45:26 -0400 Yes, it looks like this is a reversion due to our changes last = engineering. Oops. I'll fix it today, and send a note once I've checked it. It will require = a couple minutes to confirm that it works on-sky, if I could have them = when you go to the first cart tonight? Sorry about this, John On 14Apr 2013, at 11:21, Kaike Pan wrote: > Hi Jon and Paul, >=20 > Is it possible that the decenter guiding is broken due to adding the = feature of=20 > outputting of guider efficiency, i.e. guider measured mag within 2" = aperture?=20 >=20 > We still have the special plate plugged on cart 15, if you have a = chance to > work on recovering the decenter guide, it would be great, and we will = finish > the plate tonight? >=20 > Kyle and David, if we can not recover the decenter guide feature = tonight, =20 > my plan for tonight is that if we can cover the whole night without = cart 15 due to > imperfect we will skip the plate and save it for later. If the weather = is perfect, we > will take 4 more exposures to finish the plate without decenter guide. = do you=20 > agree? >=20 > -kaike=20 >=20 >>=20 >> **The decenter command for this special plate is not working. The = guider will >> turn on when we issue the commands. See the observing log and = Problems in detail >> sections >>=20 >>=20 >> = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D >> 05:35:06 loadCart: ct=3D15, pl=3D6932, sd=3DA; =20 >> 05:36:20 sop.gotoField =3D running; =20 >>=20 >> HARTMANN: >> 05:37:38 boss exposure 4.0, file=3D160142 =20 >> 05:38:27 boss exposure 4.0, file=3D160143 =20 >> 05:39:24 hartSp1: r=3D-543, b=3D-1.9, txt=3DOK, sp1Temp =3D 7.3 ;=20 >> 05:39:24 sos.sp1AverageMove =3D -160 >> 05:39:28 motorPos.sp1.move: -160, -160, -154; =20 >> 05:39:28 hartSp2: r=3D-83, b=3D-0.3, txt=3DOK, sp2Temp =3D 6.7 ; =20 >> 05:39:28 sos.sp2AverageMove =3D -83 >> 05:39:31 motorPos.sp2.move: -82, -83, -83; =20 >>=20 >> CALIBS: >> 05:40:24 boss exposure 4.0, file=3D160144 =20 >> 05:41:58 boss exposure 30.0, file=3D160145 =20 >>=20 >> No guide stars in the goToField position. >> Rising wind and dust counts. Some clouds in the west. >> Seeing is 1.8" >>=20 >> 05:50Z We applied the decentering offsets for the guider and this = turned the >> guider off. We started it again by issuing "guider on" in the STUI = log window. =20 >>=20 >> In the decenterLog window, we are seeing: >> 05:50:49 guider.decenter: file=3D446, disabled, ra=3D-0.01, = dec=3D0.23 >> 05:51:32 guider.decenter: file=3D448, disabled, ra=3D-0.01, = dec=3D0.23 >> 05:52:39 guider.decenter: file=3D451, disabled, ra=3D-0.01, = dec=3D0.23 >>=20 >> And the guider shut itself off again. We turned it on again. And = the guider >> has not decentered. >>=20 >> When we issue the "guider on decenter force time=3D12" command, we = get the >> following error: >>=20 >> 05:51:19 APO.gebelke 208 guider w text=3D"Unexpected exception = 'GuiderState' >> object has no attribute 'arcsecPerMM' in guider master thread" >> 05:51:19 .guider 0 guider w text=3D"Unexpected exception = 'GuiderState' object has >> no attribute 'arcsecPerMM' in guider master thread" >>=20 >> We called Kaike and he instructed us to go ahead and take 4 exposures = on this >> plate without the decenter offsets. >>=20 >> See Problems in Detail section for the full output from the log = windows. >>=20 >> 05:52:38 boss exposure 900.0, file=3D160146 =20 >> 06:09:00 boss exposure 900.0, file=3D160147 =20 >> 06:25:24 boss exposure 900.0, file=3D160148 =20 >> 06:41:46 boss exposure 900.0, file=3D160149 =20 >>=20 >> plate3 6932 >>=20 >> (S/N)^2 accumulated for plate 6932 =20 >>=20 >> ---- logfile-56396.html ---- >> --------------------------------------------------------------- >> MJD b1 r1 b2 r2 Texp Sum Plugfile >> --------------------------------------------------------------- >> 56396 2.82 9.83 3.80 8.44 900.9 24.89 6932-56395-01 >> 56396 2.99 9.82 3.94 8.48 900.9 25.23 6932-56395-01 >> 56396 2.78 9.59 3.68 7.82 900.9 23.87 6932-56395-01 >> 56396 2.23 7.75 2.78 6.20 900.9 18.96 6932-56395-01 >> --------------------------------------------------------------- >> s/n2=3D 10.82 36.99 14.19 30.95 3603.5 --> 92.95 [above 0.50] >> --------------------------------------------------------------- >> ---- Problems in Detail ---- >>=20 >> GUIDER DECENTER PROBLEM: >>=20 >> For the BOSS special plate, the guider commands for the decenter = offsets will >> freeze the guider and not perform the decentering. We had to turn on = the guider >> using the STUI log window ("guider on" command) in each instance we = issued the >> "guider on decenter force time=3D12" command. >>=20 >> 1st instance of trying to do the guider decentering: >>=20 >> 05:46:17 .hub 0 cmds d >> CmdQueued=3D6663734,1365918377.39,"APO.gebelke",183,"guider",1524,"on = decenter >> force time=3D12" >> 05:46:17 APO.gebelke 183 guider w text=3D"The guider appears to = already be >> running; restarting" >> 05:46:17 .sop 0 sop w text=3D"loadCartridge fired cart=3D15 = survey=3DsopActor.BOSS" >> 05:46:22 .hub 0 cmds d >> = CmdQueued=3D6663738,1365918382.02,"APO.gebelke.guider",145,"gcamera",5185,= "expose >> time=3D12.000000 stack=3D1" >> 05:46:22 APO.gebelke 183 guider w text=3D"Unexpected exception = 'GuiderState' >> object has no attribute 'arcsecPerMM' in guider master thread" >> 05:46:22 .guider 0 guider w text=3D"Unexpected exception = 'GuiderState' object has >> no attribute 'arcsecPerMM' in guider master thread" >> 05:46:28 .hub 0 cmds d >> = CmdQueued=3D6663742,1365918388.58,"APO.gebelke",184,"guider",1525,"setDece= nter >> decenterRA=3D-0.009 decenterDec=3D+0.23" >> 05:49:12 .hub 0 cmds d >> = CmdQueued=3D6663861,1365918552.20,"APO.gebelke",185,"gcamera",5186,"status= " >> 05:49:21 .hub 0 cmds d >> CmdQueued=3D6663869,1365918561.10,"APO.gebelke",186,"guider",1526,"off"= >> 05:49:21 APO.gebelke 186 guider f text=3D"The guider is already off" >> 05:49:21 CmdDone: APO.gebelke 186 guider off >> 05:49:27 .hub 0 cmds d >> CmdQueued=3D6663873,1365918567.32,"APO.gebelke",187,"guider",1527,"off"= >> 05:49:27 APO.gebelke 187 guider f text=3D"The guider is already off" >> 05:49:27 CmdDone: APO.gebelke 187 guider off >>=20 >>=20 >> 2nd attempt to decenter: >> 05:50:40 .hub 0 cmds d >> = CmdQueued=3D6663953,1365918640.35,"APO.gebelke",207,"guider",1530,"setDece= nter >> decenterRA=3D-0.009 decenterDec=3D+0.23" >> 05:50:41 .hub 0 cmds d >> = CmdQueued=3D6663954,1365918641.40,"APO.gebelke.guider",154,"gcamera",5190,= "expose >> time=3D12.000000 stack=3D1" >> 05:50:58 .hub 0 cmds d >> = CmdQueued=3D6663968,1365918657.96,"APO.gebelke.guider",155,"tcc",82838,"of= fset arc >> -0.000041, 0.000012" >> 05:50:58 .hub 0 cmds d >> = CmdQueued=3D6663969,1365918658.29,"APO.gebelke.guider",156,"tcc",82839,"of= fset >> guide 0.000000, 0.000000, -0.000203806" >> 05:50:58 .hub 0 cmds d >> = CmdQueued=3D6663970,1365918658.70,"APO.gebelke.guider",157,"tcc",82840,"se= t >> focus=3D4.530697/incremental" >> 05:51:03 .hub 0 cmds d >> = CmdQueued=3D6663974,1365918663.25,"APO.gebelke.guider",158,"gcamera",5191,= "expose >> time=3D12.000000 stack=3D1" >> 05:51:10 .hub 0 cmds d >> CmdQueued=3D6663981,1365918670.79,"APO.gebelke",208,"guider",1531,"on = decenter >> force time=3D12" >> 05:51:10 APO.gebelke 208 guider w text=3D"The guider appears to = already be >> running; restarting" >> 05:51:19 .hub 0 cmds d >> = CmdQueued=3D6663988,1365918679.75,"APO.gebelke.guider",159,"gcamera",5192,= "expose >> time=3D12.000000 stack=3D1" >> 05:51:19 APO.gebelke 208 guider w text=3D"Unexpected exception = 'GuiderState' >> object has no attribute 'arcsecPerMM' in guider master thread" >> 05:51:19 .guider 0 guider w text=3D"Unexpected exception = 'GuiderState' object has >> no attribute 'arcsecPerMM' in guider master thread" >>=20 >> 3rd attempt: >> 05:51:23 .hub 0 cmds d >> = CmdQueued=3D6663991,1365918683.91,"APO.gebelke",209,"guider",1532,"setDece= nter >> decenterRA=3D-0.009 decenterDec=3D+0.23" >> 05:51:47 .hub 0 cmds d >> CmdQueued=3D6664009,1365918707.96,"APO.gebelke",210,"guider",1533,"on" >> 05:51:48 .hub 0 cmds d >> = CmdQueued=3D6664010,1365918708.00,"APO.gebelke.guider",160,"gcamera",5193,= "expose >> time=3D12.000000 stack=3D1" >>=20 >> And then we started taking science exposures. However, in the = decenterLog window: >>=20 >> -05:47:34 guider.decenter: file=3DNone, None, ra=3DNone, dec=3DNone=20= >> 05:50:49 guider.decenter: file=3D446, disabled, ra=3D-0.01, = dec=3D0.23 >> 05:51:32 guider.decenter: file=3D448, disabled, ra=3D-0.01, = dec=3D0.23 >> 05:52:39 guider.decenter: file=3D451, disabled, ra=3D-0.01, = dec=3D0.23 >>=20 >> The guider does not appear to have performed the decentering. >>=20 >> Has there been significant change to the guider software since the = MaNGA tests >> in December/January? The command structure is the same, but now = these commands >> do not work for this BOSS plate. >>=20 >> We called Kaike and he instructed us to take 4 exposures anyway = without the >> decentering. We lost about 10 minutes on this problem. >>=20 >>=20 >> _____________________________________________________ >> Message 1200 of sdss3-25mlog - Logs of nightly APO activities. >> = https://trac.sdss3.org/tracmailman/browser/private/sdss3-25mlog/all/1200.h= tml >> sdss3-25mlog@sdss3.org >> https://sdss3.org/mailman/listinfo/sdss3-25mlog -- ************************* John Parejko john.parejko@yale.edu http://www.astro.yale.edu/~jp727/ 203 432-9759 JWG 465 Department of Physics Yale University New Haven, CT **************************