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MagAO-X 2024Ab Day 9: “I don’t think you want that data”

Thank you for tuning in for “Eden’s screenshots of the firewalled LCO weather page.”

Bright eyed enthusiam coming to you straight from the AO operator desk.

I have good news and I have bad news. The good news is that we are open! The bad news? The seeing is just on the edge of usable. And by “on the edge” I mean we’re getting something on the science cameras… but it’s the kind of data we dread to process. What a tease.

On top of that, the wind is whistling something fierce. Like living next door to a two-note pan-piper. Every 5 minutes, Maggie-O-X will announce that we’ve hit our wind limit, just for the wind to slink back down again. Like a threat that it could shut this whole operation down, clouds or not. We thank Carla for being a merciful TO, and we are planning on allocating portions of our empanada orders tomorrow to her, accordingly.

Seeing and wind plots at the time of reporting.

Did I forget to mention that I have worse news? In a novel first for this team, we are expecting rain. Yes, in the Atacama Desert, that gets an average rainfall of 15 mm a year. We found it, folks. The one day of rain a year. Stay tuned for the MagAO-X raincoat wrappings.

The first time I have seen precipitation on the LCO meteoblue weather page.

Weather like this could really get you down, but luckily we have a great team that keeps even these kinds of days full of laughs and good stories. Our night started with high hopes. Since the sky was clear and the winds were low, the walk to the telescopes was appealing for the first time in a week. Some of the team caught a crisp green flash on their way up.

As an early-shifter, I’m headed to bed, but I know the control room is staying merry with Alycia wisdom, Jared sea stories, Joseph whimsy, and Josh punchlines that are actually just events from his life. All as it should be.

A beautiful, cloudless sunset.

Best 15 minutes of the day? Filling out the night lunch for 4 whole empanadas. Just like the boss ordered.

Overheard at LCO

“I struggled with the scissors unit in kindergarten”

won most improved on MagAO-X scissor duty

“As long as I’m not playing a sport I won’t get injured”
“Why would you say something like that”

someone who could definitely get injured in offseason

“I will be Clay’s Gollum”

someone with career ambitions

“Keep the icc data away from the tea.”
“How about you keep the tea away from the icc data.”

not all of us have Sebastiaan level tea charisma

“I wasn’t allowed near the model trains because I kept wanting to touch them”

still let near our picomotors as a trust exercise

Song of the day

This one isn’t my pick. It’s Clay’s.

Danny Boy – Sinéad O’Connor

MagAO-X 2024Ab Day 8: Let there be light!

And there was light. After 3 tortuous days with nothing to look at but an internal source, we *finally* opened for business. However, as a member of the 2nd observing shift, I was MIA during this time. The below meme described my state of mind in the hours leading up to my shift:

A mood.

While I slumbered, various team members wandered the mountain in search of wildlife:

A cloud pic for our readers in the Cloud Appreciation Society.
Burro alert!
The smolest of Vizzies.

When the telescope opened, Jared described the mood as one of giddiness.

Alycia searches for a 6-letter word meaning “basic drum.”
Kian learns the ropes.
Jaylicia observes some disks.
Jared does Jared things.

At around 2 AM, we closed down once again due to high humidity. This allowed me to hone my skills in MagAO-X alignment, iEFC-ing, and bump mask removal on the internal source.

Scream if you involuntarily remove the bump mask!

With the telescope closed, Jared went back home in a car covered with ice.

The outside air may be cold, but our server rack always runs hot.

My brain is running out of real estate, so I’m going to wrap up this blog post.

Highlight of the Day

The best part of the day was being able to once again close the loop on-sky with MagAO-X.

Song of the Day

Upside Down-Jack Johnson

MAPS May 2024A Day 1-Night 1: Installation and Alignment

The first two nights of this run are for MIRAC (PI: Leisenring), while the last 4 are for AO (PI: Morzinski). Therefore I decided this was my chance to come up in the morning to see the installation of MAPS. See, usually I try and sleep in on the morning before a MAPS run, to help me switch to a night schedule. But instead today I got up in the morning as usual, headed up to MMT, and was able to observe the installation of the Top Box and ASM with a full MMTO crew as well as Dan and Ruby from MAPS. This is important to me because we’ve talked a lot about the installation procedure and whether it can be made more repeatable, but I hadn’t actually seen the full procedure yet. Now I have a much better picture of the process and thoughts about repeatability.

Installing the Top Box to the Cass port of the MMT.

So here’s what I saw. When the Top Box is installed there are 4 feet on the lift that can be independently adjusted. However, the actual measurement of how parallel the Top Box plate is to the Cass plate is through hand-held measuring tapes. There are 2 pins that help guide the Top Box up. And in the end the plates were flush. But I was wondering whether there could be any skew on one side or another.

Installing the Top Box: Measuring the gap on all sides to make sure it’s going on straight.

The ASM installation is complex. The ASM is mounted to the hexapod. This is done while the former is hanging from the crane and the latter is supported on a bouncy stand — so could these be misaligned? But then the screws are gronked on until the plates are flush, except for a gap covering about 20deg on one side where the ASM plate is warped, of about 4 thou. Then the hexapod is mounted to the hub. It’s behind a flange, but the 2 pins keep it aligned, one of them is diamond shaped to control angle, and then the screws are gronked on until tight so we assume it is flush too.

Mounting ASM to Hexapod.
Measuring the gap over about a 20-degree wedge due to a slightly twisted ASM mounting plate. It appears to be repeatable, plus all the bolts are flush and the rest of the mounting plates are flush with no gap all the way around.
Craning the ASM+Hexapod structure up to mount it to the Hub.
Inserting the ASM+Hexapod into the Hub.

Also Dan and Ruby connected the rack and all our other cables:

Connecting the cables in the elecronics rack on the third floor.

Then tonight was supposed to be a MIRAC night but they had a chiller problem and weren’t cold enough, so instead we decided to try AO.

Except instead it still took over half the night to complete set-up and alignment. So we continue to explore how to improve these procedures.

Even though this is the MAPS run not the MagAO-X run, I’ll stick with the MagAO-X blog rules for this run. Therefore, the best 15 minutes of the day were seeing the ASM mount to the Hexapod and then the whole assembly mount to the Hub. I have to admit I’ve never quite pictured it correctly when we talk about in our off-mountain meetings, so this helped me visualize what’s happening very well!

Song of the Day/Night: “…Baby One More Time” by Britney Spears (1998)

MagAO-X 2024Ab Day 7: Chilly in Chile

Greetings from the downstairs lounge, where you can see exactly as many stars as upstairs. That’s right: it’s another cloudy evening here at Las Campanas Observatory, but one ray of bright starshine has broken through: Dr. Alycia Weinberger! She had to spend a night in Miami, and another night in Santiago, but she has finally arrived!

We all forgot to document her arrival for the blog, so have a condor instead.

Since the clouds stubbornly remained at sunset, we went on an expedition beneath the Magellans.

Okay, that’s enough natural beauty. (Photo: Alycia Weinberger)

There was a fad in the 90s for two-for-one telescope deals, along with vague plans for interferometers (some realized). True to form, the two Magellans are connected by a tunnel.

This is where I’d put my interferometer… if I had one.

We also explored the maze of twisty passages.

Reminiscent of her majesty’s navy?

We descended into the oubliette.

If someone messes up the instrument alignment, they will be confined below.

There are removable floor grates to confound your enemies.

Legend has it that a secret sub-sub-basement exists, hiding untold riches.

Here’s a view upwards through the central core where all the wires and hoses snake up to the telescope platform, eventually entering a cable wrap.

Don’t look up.

There is a two meter thermal exhaust port:

Ask not about the biblical mouse plague.

Evidence of researcher enthusiasm underneath 100 tons of telescope.

Evidence of Dr. Weinberger’s arrival, upper left in gray.

Maggie Kautz bid a fond farewell to MagAO-X, as she will be leaving in the morning. Maggie has graduated, which means she probably needs to defend her dissertation soon.

anTop? What’s an anTop?

Then she came back and replaced a picomotor that had gone on strike due to the cold conditions.

It could be Professor Laird Close under that getup, for all we know. (Photo: Jared Males)

Once she finishes up her doctorate, she will be starting a new job… as a staff engineer at Steward Observatory, home of MagAO-X! (And some other stuff I guess.)

After we bid our actual farewell to Maggie-O-X, it was time for Josh to drive. We found that all of Sebastiaan’s notebooks were still on the old ICC data drives, so some surgery was required to get them back into place on the new and improved SSD array.

Okay, keep an eye out: we’re looking for a 500GB folder called “SYH_notebooks”

As I write, there’s some serious disk pic analysis happening in the lounge, so maybe this night won’t be a complete bust…

Highlight of the Day

Per 2024Ab rules, the best part of the day… might be the underground Magellan tour, actually! So, you already read all about it.

Song of the Day

“Black Moon” by Screaming Females

(Technically a waxing gibbous, but I can’t see shit.)

Our semi-occasional recurring feature: “Overheard at LCO”

“We’re just roadies for a metal band called MagAO-X.”

“At least on the internal source I can’t break anything.”
Why would you say that?!

“It’s a dissertation. It doesn’t have to be perfect.”

MagAO-X 2024Ab Day 6: LCO above a sea of fog

Like that classic painting, LCO took on some majesty and wonder today as the valley filled with clouds to compliment the cloud-covered skies.

Which gave way to another great sunset

Which gave way to another set of sad astronomers. Jay was eager to hit his disk target right away, but clouds are opaque to dreams and starlight alike.

This run, since the nights are so long, we’ve broken them into shifts with shift turnover around 1am ish. It’s 1 am now and the first shift is done for the night, I’m going to bed. There are faint whispers of hope in the cloud trend, but I suspect it is futile. Trust not to hope, it has abandoned these lands.

The best 15 mins of my day I guess was sending the first draft of my dissertation (minus a chapter) to Jared. Oh and then I played Untitled Goose Game with Joseph for an hour.


The song of the day is Sad Songs by Elton John.