thomas.shaffer@LIGO.ORG - posted 16:31, Tuesday 09 July 2024 (78954)
Ops Day Shift End
TITLE: 07/09 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 146Mpc
INCOMING OPERATOR: Oli
SHIFT SUMMARY: Relock after maintenance day was fairly straight forward, aside from needing to run the baffle align scripts to get light in the xarm. This was maybe expected since EX tripped during DAC card work. Once the IFO was up, there was some excess noise ~25-60Hz, but things are now starting to improve in that area. Our range is still lower than usual, but it's still increasing.
Lock acquisition notes:
- No green light in X arm when starting initial alignment
- TMSX Test offsets found on, cleared manually. Also found excitations on in that same bank. Odd.
- Ran baffle align scripts. The end result didn't yield light, but I saw that when dithering ETMX there was a brief bit of light seen. So I only had to scan with ETMX to find it and got locked quickly.
- The rest was fully auto.
LOG:
- 1508 Lock loss to start maintenance
- 2150 Observing
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 16:08 | SAF | LVEA | LVEA | YES | LVEA IS LASER HAZARD | 15:47 |
| 14:56 | FAC | Tyler | VPW | n | Forklifting package to VPW | 15:16 |
| 15:09 | FAC | Kim | EX | n | Tech clean | 16:24 |
| 15:09 | FAC | Karen, Nelly | EY | n | Tech clean | 16:10 |
| 15:23 | CDS | Fil | EY | n | Unplug picomotors | 16:19 |
| 15:29 | SAF | Ryan C | LVEA | yes | Transition LVEA to laser safe | 15:48 |
| 15:30 | PCAL | Francisco | EX | YES | PCAL meas. | 16:46 |
| 15:36 | ISC | Jennifers | CR | n | IMC alignment | 17:22 |
| 15:42 | VAC | Travis | MX, EX | - | Turbo tests | 18:36 |
| 15:52 | PSL | Jason, Ryan S | LVEA - PSL | local | PSL alignment from PMC | 18:59 |
| 15:55 | CC | Ryan C | Ends | - | Dust monitor checks | 16:58 |
| 16:11 | FAC | Karen, Nelly, Kim | FCES | n | Tech clean | 16:46 |
| 16:17 | FAC | Tyler | LVEA, mids | n | FAMIS checks | 16:52 |
| 16:19 | FAC | Chris | EY, EX | n | Hepa filter swaps in fan room | 18:49 |
| 16:22 | ISC | Keita | LVEA | n | Look at HAM6 racks | 16:37 |
| 16:24 | SEI | Jim | FCES | n | SEI GS13 investigation | 17:49 |
| 16:55 | CDS | Fil | EX | n | Unplug picomotors | 17:54 |
| 16:58 | PCAL | Francisco | PCAL lab | local | PCAL meas wrapup | 18:34 |
| 16:59 | CC | Ryan C | LVEA, FCES | n | Dust monitor tests | 17:36 |
| 17:08 | FAC | Karen, Kim, Nelly | LVEA | n | Tech clean | 18:27 |
| 17:11 | - | Rick, SURFs | LVEA | n | Tour the SURF students | 18:49 |
| 18:16 | SEI | Jim | LVEA | n | Setup L4Cs under HAM3 | 18:24 |
| 18:30 | CDS | Marc, Erik | EX | n | Swap card for sus ex | 19:08 |
| 18:59 | - | Ryan C | LVEA | n | Sweep | 19:13 |
| 20:57 | CC | Ryan C | LVEA | n | Turn off DM5 | 20:57 |