ryan.short@LIGO.ORG - posted 16:30, Tuesday 26 November 2024 (81501)
Ops Day Shift Summary
TITLE: 11/27 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 156Mpc
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY: Busy but easy maintenance day followed by a fully automatic, albeit longer than usual, lock acquisition. H1 has been observing for almost 3 hours now.
- 15:40 - Taking ISC_LOCK to 'IDLE' and SEI_ENV to 'MAINTENANCE'
- 19:31 - Maintenance activities finished, starting initial alignment
- 19:51 - IA finished, starting lock acquisition
- 20:35 - Lockloss immediately after entering LOWNOISE_ESD_ETMX (so really a TRANSITION_FROM_ETMX lockloss)
- BS needed realigning to lock DRMI on next attempt, fully auto after
- 21:43 - Observing
- Accepted SQZ ADF phase difference, attached (tagging SQZ)
- Engaged Rahul's new violin damping settings from alog81465; these are working well
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 16:10 | TCS | Camilla | Opt Lab | n | Retrieving beam profiler | 16:16 |
| 16:13 | FAC | Richard, Jordan, Ken | LVEA | n | Walkabout | 16:55 |
| 16:14 | CAL | Tony, Dripta | PCal Lab | n | Retrieving equipment for measurement | 16:21 |
| 16:17 | TCS | TJ, Camilla | EY | YES | Table measurements | 17:54 |
| 16:23 | CAL | Tony, Dripta | EX | YES | PCal measurement | 19:15 |
| 16:28 | FAC | Kim | FCES | n | Technical cleaning | 17:05 |
| 16:35 | ISC | Fil | CER | n | Swapping 35MHz LO | 16:38 |
| 16:52 | ISC | Daniel, Vicky | LVEA, EX, EY | - | Adjusting laser temps | 17:48 |
| 16:55 | FAC | Christina | LVEA | n | Property checks | 17:09 |
| 17:00 | SEI | Jim, Neil | LVEA | n | Swapping seismometer | 17:17 |
| 17:04 | FAC | Eric | n | Running fire pumps | 17:56 | |
| 17:06 | FAC | Kim | LVEA | n | Technical cleaning | 18:24 |
| 17:09 | FAC | Christina | MY | n | Looking for crates | 17:44 |
| 17:12 | CDS | Marc, Jackie | EX, EY | n | Checking power supplies | 18:27 |
| 17:27 | VAC | Travis, Janos | EX, EY | n | Checking vacuum pumps | 18:09 |
| 17:53 | PSL | RyanS | CR | n | PSL rotation stage sweep | 18:09 |
| 17:55 | ISC | Daniel | LVEA | n | Retrieving scope at PSL racks | 18:09 |
| 17:57 | VAC | Jordan, Gerardo | EX, EY | - | Installing vacuum gauges | 19:15 |
| 18:12 | ALS | TJ | CR | n | Testing ALS alignment w/ Y-arm | 19:29 |
| 18:16 | PEM | Lance | LVEA | n | Checking accelerometer cable | 18:33 |
| 18:24 | FAC | Kim | EX | n | Technical cleaning | 19:47 |
| 18:27 | VAC | Janos, Fil | LVEA | n | Roughing pump installation | 19:20 |
| 18:43 | FAC | Tyler | MX, MY | n | 3IFO checks | 19:23 |
| 19:03 | CDS | Marc | EX | n | Installing fan | 19:32 |
| 19:06 | VAC | Gerardo, Jackie | LVEA | n | Looking at flanges | 19:28 |
| 19:16 | CAL | Tony | PCal Lab | n | Returning equipment | 19:35 |
| 19:30 | OPS | TJ | LVEA | n | Sweep | 19:47 |
| 19:36 | TCS | Camilla | LVEA | n | Retrieving power meter | 19:39 |
| 21:51 | CAL | Tony | PCal Lab | n | Measurement | 22:46 |
| 23:58 | CAL | Tony | PCal Lab | n | Measurement | 00:04 |
Images attached to this report
