ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
10569
|
Mon Oct 6 10:28:18 2014 |
manasa | Update | General | Unexpected power shutdown |
|
|
10568
|
Mon Oct 6 10:23:43 2014 |
Steve | Update | VAC | Unexpected power shutdown |
|
|
10567
|
Mon Oct 6 10:04:58 2014 |
manasa | Update | General | Unexpected power shutdown | We had a unexpected |
|
10566
|
Sun Oct 5 23:43:08 2014 |
Koji | Update | IOO | IMC WFS measurements | There are several non scientific reasons. |
|
10565
|
Sun Oct 5 10:09:49 2014 |
rana | Update | IOO | IMC WFS measurements | It seems clever, but I wonder
why use DTT and command line perl, instead
of using the FE lockins or just demod the |
|
10564
|
Fri Oct 3 13:03:05 2014 |
ericq | Update | IOO | IMC WFS measurements | Yesterday, Koji and I measured the transfer
function of pitch and yaw excitations of
each MC mirror, directly to each quadrant |
    |
10563
|
Fri Oct 3 10:10:37 2014 |
Steve | Update | VAC | cold cathode gauge reading switched |
We have two cold cathode gauges at
the pump spool and one signal cable |
|
10562
|
Fri Oct 3 03:02:17 2014 |
ericq | Update | LSC | No luck locking DRMI | I haven't been able to lock the DRMI tonight,
neither with 1F and no arms nor 3F and arms
held off with ALS... I tried previous recipes, |
|
10561
|
Thu Oct 2 20:54:45 2014 |
Koji | Update | IOO | IMC WFS measurements | [Eric Koji]
We made sensing matrix measurements
for the IMC WFS and the MC2 QPD. |
 |
10560
|
Thu Oct 2 14:36:52 2014 |
steve | Update | PEM | oil drops on vertex crane |
|
|
10559
|
Thu Oct 2 09:23:23 2014 |
Steve | Update | VAC | vent 77 |
|
|
10558
|
Wed Oct 1 19:40:46 2014 |
ericq | Update | LSC | Arms IR aligned | Summary:
Beamsplitter
was put into MC refl path.
HWP
was rotated to maximize power into PMC.
|
|
10557
|
Wed Oct 1 16:26:53 2014 |
Steve | Update | VAC | pump down #78 completed |
Pump down reached "vacuum
normal" state. IFO _P1 pressure 1e-4 |
|
10556
|
Wed Oct 1 10:21:19 2014 |
Steve | Update | VAC | pump down #78 stops at 3.5 Torr |
|
|
10555
|
Tue Sep 30 18:02:53 2014 |
Steve | Update | VAC | pump down #78 stops at 320 Torr |
We stopped pumping just short
of 3 hours at 320 Torr. Pumping speed |
|
10554
|
Tue Sep 30 17:26:18 2014 |
ericq | Update | LSC | New AO cable in place | I've installed a new 2pin lemo cable going
from the CM servo out to in2 of the MC servo
board, and removed the temporary BNC. I used |
|
10553
|
Tue Sep 30 16:18:57 2014 |
Steve | Update | VAC | pump down #78 has started |
Q checked the earth quake stops of
SRM and we put the ITMY & BS doors on. |
|
10552
|
Tue Sep 30 11:53:29 2014 |
ericq | Update | General | Vent update |
Photos have been taken of the ITMY
chamber, and uploaded to picasa. Here's a |
|
10551
|
Mon Sep 29 18:12:24 2014 |
ericq | Update | General | Vent update | I closed the PSL shutter as we didn't want
to burn the mirror surface when we are not
working. |
|
10550
|
Mon Sep 29 17:10:51 2014 |
ericq | Update | General | Vent update | Everything is aligned, AS and POY make
it out of vacuum unclipped, OSEM readings
look good. |
|
10549
|
Mon Sep 29 12:47:51 2014 |
ericq | Update | General | Vent update |
|
|
10548
|
Mon Sep 29 10:29:25 2014 |
Steve | Update | VAC | RGA is not running |
The RGA time stamp was correct
last at 20140527 |
|
10547
|
Mon Sep 29 09:11:25 2014 |
Steve | Update | VAC | vent day 5 RGA scan |
|
|
10546
|
Fri Sep 26 17:13:39 2014 |
ericq | Update | General | Vent update |
|
|
10545
|
Fri Sep 26 16:10:14 2014 |
ericq | Update | General | Vent update | Today so far:
I moved SRM forward by
3mm
Then I leveled the ITMY |
|
10544
|
Fri Sep 26 12:25:34 2014 |
ericq | Update | General | Vent progress | I figured out that didn't change the initial
guess for the fit routine in Gabriele's code.
I also changed the fminsearch criteria to |
|
10543
|
Fri Sep 26 11:44:55 2014 |
nicolas | Frogs | Computer Scripts / Programs | Loaded larry's fake filter into C1:ALS-OFFSETTER2 | Larry and Nicolas
Larry's transfer function measurements
suddenly started returning 0dB 0degrees when |
|
10542
|
Fri Sep 26 09:13:17 2014 |
Steve | Update | SUS | vent day 2 | ITMY in vac table needs leveling. |
 |
10541
|
Thu Sep 25 19:42:12 2014 |
ericq | Update | General | Vent progress | [q, Jenne, Manasa]
ELOG Outline
Aligned arms
|
|
10540
|
Thu Sep 25 15:41:15 2014 |
ericq | Update | Computer Scripts / Programs | Rossa having a better day |
I think I found out why rossa was
mad. |
|
10539
|
Thu Sep 25 11:38:47 2014 |
Jenne | Update | PEM | Seismometers in place | [Zach, Jenne, Steve]
This work happened on Tuesday.
Bad Jenne for forgetting to elog it! |
|
10538
|
Thu Sep 25 11:33:41 2014 |
Jenne | Update | LSC | POY alignment laser |
|
|
10537
|
Thu Sep 25 10:53:32 2014 |
Steve | Update | SUS | HeNe laser test |
|
|
10536
|
Thu Sep 25 08:21:15 2014 |
Steve | Update | VAC | vent day 1 |
|
|
10535
|
Wed Sep 24 18:56:45 2014 |
ericq | Update | General | Ottavia slowness | Ottavia was having some severe interaction
latency today. Xorg was taking up >90%
of the CPU, just sitting around. The machine |
|
10534
|
Wed Sep 24 18:17:46 2014 |
ericq | Update | General | Alignment Restored | Interferometer
alignment is restored
ASS has been run on each arm, recycling |
|
10533
|
Wed Sep 24 16:02:58 2014 |
Jenne | Update | VAC | vent is completed | [Steve, EricQ, Jenne]
ITMY and BS heavy doors are off,
light doors are on. Q is aligning the |
|
10532
|
Wed Sep 24 13:28:48 2014 |
Steve | Update | VAC | vent is completed | The vent is completed. ITMX was kicked
up accidentally. Valve configuration: chamber
open, RGA is pumped through VM2 Maglev |
 |
10531
|
Wed Sep 24 11:02:38 2014 |
manasa | Update | LSC | Moving SRM | I looked at the CAD layout and it seems
like we will clearly |
|
10530
|
Wed Sep 24 08:40:29 2014 |
Steve | Update | VAC | Vent has started |
Jam nuts checked. Oplev servos
turned off. Particle count checked. Vertex |
 |
10529
|
Wed Sep 24 08:39:32 2014 |
Jenne, EricQ | Update | General | Vent prep for SRC length change |
|
|
10528
|
Tue Sep 23 17:56:13 2014 |
Jenne, EricQ | Update | General | Vent prep for SRC length change | As Q mentioned in elog
10527, (prompted by Koji's email this
afternoon) we are prepping the IFO for vent. |
|
10527
|
Tue Sep 23 17:37:10 2014 |
ericq | Update | LSC | DRMI locking | Rather than using a CAD drawing, I used
Gabriele's code from ELOG
9590 to try and judge if we could |
|
10526
|
Tue Sep 23 09:37:12 2014 |
Steve | Update | SUS | IOO and temp changes | |
|
10525
|
Tue Sep 23 08:34:14 2014 |
Steve | Update | SUS | HeNe laser test |
The room temp drops 1 degree
C on the 4th day. The weather has changed. |
|
10524
|
Mon Sep 22 15:20:32 2014 |
Steve | Update | VAC | RGA scan at day 229 |
|
 |
10523
|
Mon Sep 22 10:18:58 2014 |
steve | Update | PEM | lab temperatures |
|
|
10522
|
Mon Sep 22 10:14:07 2014 |
Steve | Update | SUS | HeNe laser test |
|
|
10521
|
Fri Sep 19 13:12:07 2014 |
Jenne | Update | LSC | AO path glitches |
|
|
10520
|
Fri Sep 19 04:05:05 2014 |
ericq | Update | LSC | AO path partly engaged | More AO efforts. No huge news.
Came at AO from each side. For each
sign, I lost lock just a few dB from the |
 |