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  1. 2/2 🧵

    Fortunately, the Joint ALMA Observatory (and the ALMA Partnership) is not a monoculture, so not all computers run Windows, but macOS and Linux as well. Still learning if some Windows computers for some control systems might be at risk in our observatories, and maybe other observatories…

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  2. 2/2 🧵

    Fortunately, the Joint ALMA Observatory (and the ALMA Partnership) is not a monoculture, so not all computers run Windows, but macOS and Linux as well. Still learning if some Windows computers for some control systems might be at risk in our observatories, and maybe other observatories…

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  3. 2/2 🧵

    Fortunately, the Joint ALMA Observatory (and the ALMA Partnership) is not a monoculture, so not all computers run Windows, but macOS and Linux as well. Still learning if some Windows computers for some control systems might be at risk in our observatories, and maybe other observatories…

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  4. Resilient versus brittle systems:

    7.4 Mw earthquake just in the vicinity of the ALMA Observatory: after a small initial scare, things keep working as normal (we might need to look at our hydrogen maser, though).

    Single software update from a vendor that we don't contract: affects our email and messaging provider (Microsoft 365), degrades the operation of the entire observatory.

    1/2 🧵

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  5. Resilient versus brittle systems:

    7.4 Mw earthquake just in the vicinity of the ALMA Observatory: after a small initial scare, things keep working as normal (we might need to look at our hydrogen maser, though).

    Single software update from a vendor that we don't contract: affects our email and messaging provider (Microsoft 365), degrades the operation of the entire observatory.

    1/2 🧵

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  6. Resilient versus brittle systems:

    7.4 Mw earthquake just in the vicinity of the ALMA Observatory: after a small initial scare, things keep working as normal (we might need to look at our hydrogen maser, though).

    Single software update from a vendor that we don't contract: affects our email and messaging provider (Microsoft 365), degrades the operation of the entire observatory.

    1/2 🧵

    #ALMA #ALMAObservatory #CrowdStrike #SystemResilience #SystemsEngineering

  7. The Joint ALMA Observatory is hiring a Systems Engineer! If you're the successful applicant, you will be collaborating with both operational and development system engineering tasks.

    The alt-text of the image cointains more detail, but the full details of the application, including how to apply, can be found at comeet.com/jobs/almaobservator

    Please, come and join us, or help us by forwarding this vacancy to one ore more suitable candidates!

    #ALMAObservatory #FediHire #SystemsEngineering #JobVacancy

  8. The Joint ALMA Observatory is hiring a Systems Engineer! If you're the successful applicant, you will be collaborating with both operational and development system engineering tasks.

    The alt-text of the image cointains more detail, but the full details of the application, including how to apply, can be found at comeet.com/jobs/almaobservator

    Please, come and join us, or help us by forwarding this vacancy to one ore more suitable candidates!

    #ALMAObservatory #FediHire #SystemsEngineering #JobVacancy

  9. The Joint ALMA Observatory is hiring a Systems Engineer! If you're the successful applicant, you will be collaborating with both operational and development system engineering tasks.

    The alt-text of the image cointains more detail, but the full details of the application, including how to apply, can be found at comeet.com/jobs/almaobservator

    Please, come and join us, or help us by forwarding this vacancy to one ore more suitable candidates!

    #ALMAObservatory #FediHire #SystemsEngineering #JobVacancy

  10. Today is my second year anniversary since I joined the Joint ALMA Observatory as JAO Development System Engineer! Can't believe how quickly time flies… and we've done an extraordinary amount of work in these 2 years!

    The cyberattack sadly also affected our newsletter archive, so I cannot point to the nice entry that they published just one month after I joined.

    #ALMA #ALMAObservatory #AtacamaLargeMillimeterArray #AtacamaLargeMillimeterSubmillimeterArray #JobAnniversary #SystemsEngineering

  11. Today is my second year anniversary since I joined the Joint ALMA Observatory as JAO Development System Engineer! Can't believe how quickly time flies… and we've done an extraordinary amount of work in these 2 years!

    The cyberattack sadly also affected our newsletter archive, so I cannot point to the nice entry that they published just one month after I joined.

    #ALMA #ALMAObservatory #AtacamaLargeMillimeterArray #AtacamaLargeMillimeterSubmillimeterArray #JobAnniversary #SystemsEngineering

  12. Today is my second year anniversary since I joined the Joint ALMA Observatory as JAO Development System Engineer! Can't believe how quickly time flies… and we've done an extraordinary amount of work in these 2 years!

    The cyberattack sadly also affected our newsletter archive, so I cannot point to the nice entry that they published just one month after I joined.

    #ALMA #ALMAObservatory #AtacamaLargeMillimeterArray #AtacamaLargeMillimeterSubmillimeterArray #JobAnniversary #SystemsEngineering

  13. Today is my second year anniversary since I joined the Joint ALMA Observatory as JAO Development System Engineer! Can't believe how quickly time flies… and we've done an extraordinary amount of work in these 2 years!

    The cyberattack sadly also affected our newsletter archive, so I cannot point to the nice entry that they published just one month after I joined.

    #ALMA #ALMAObservatory #AtacamaLargeMillimeterArray #AtacamaLargeMillimeterSubmillimeterArray #JobAnniversary #SystemsEngineering

  14. Protecting ALMA’s skies Whitepaper: a study of the risks posed by radio frequency interference (RFI) to ALMA today and in the near future, from both ground-based and space-based sources of radio emissions. The paper identifies the vulnerable points eof the observatory, and discusses and evaluates potential mitigation measures.

    Announcement: almaobservatory.org/en/announc

    Whitepaper: library.nrao.edu/public/memos/

    #ALMA #ALMAObservatory #RFI #darkskies #RadioFrequencyInterference #SatelliteConstellations

  15. Protecting ALMA’s skies Whitepaper: a study of the risks posed by radio frequency interference (RFI) to ALMA today and in the near future, from both ground-based and space-based sources of radio emissions. The paper identifies the vulnerable points eof the observatory, and discusses and evaluates potential mitigation measures.

    Announcement: almaobservatory.org/en/announc

    Whitepaper: library.nrao.edu/public/memos/

    #ALMA #ALMAObservatory #RFI #darkskies #RadioFrequencyInterference #SatelliteConstellations

  16. Protecting ALMA’s skies Whitepaper: a study of the risks posed by radio frequency interference (RFI) to ALMA today and in the near future, from both ground-based and space-based sources of radio emissions. The paper identifies the vulnerable points eof the observatory, and discusses and evaluates potential mitigation measures.

    Announcement: almaobservatory.org/en/announc

    Whitepaper: library.nrao.edu/public/memos/

    #ALMA #ALMAObservatory #RFI #darkskies #RadioFrequencyInterference #SatelliteConstellations

  17. ALMA, as part of the Event Horizon Telescope, is unveiling a new image of our Milky Way's supermassive black hole, Sagittarius A*, in which strong magnetic fields can be seen…

    The most exciting part is that this hints to a jet that would be hidden from our vantage point in our galaxy… but imagine that! We might be like M87, just at a smaller scale!

    almaobservatory.org/en/press-r

    #ALMA #AlmaObservatory #EHT #EventHorizonTelescope #SMBH #MilkyWay #SagAStar #MagneticFields #WhatAboutMagneticFields

  18. ALMA, as part of the Event Horizon Telescope, is unveiling a new image of our Milky Way's supermassive black hole, Sagittarius A*, in which strong magnetic fields can be seen…

    The most exciting part is that this hints to a jet that would be hidden from our vantage point in our galaxy… but imagine that! We might be like M87, just at a smaller scale!

    almaobservatory.org/en/press-r

    #ALMA #AlmaObservatory #EHT #EventHorizonTelescope #SMBH #MilkyWay #SagAStar #MagneticFields #WhatAboutMagneticFields

  19. ALMA, as part of the Event Horizon Telescope, is unveiling a new image of our Milky Way's supermassive black hole, Sagittarius A*, in which strong magnetic fields can be seen…

    The most exciting part is that this hints to a jet that would be hidden from our vantage point in our galaxy… but imagine that! We might be like M87, just at a smaller scale!

    almaobservatory.org/en/press-r

    #ALMA #AlmaObservatory #EHT #EventHorizonTelescope #SMBH #MilkyWay #SagAStar #MagneticFields #WhatAboutMagneticFields

  20. ALMA, as part of the Event Horizon Telescope, is unveiling a new image of our Milky Way's supermassive black hole, Sagittarius A*, in which strong magnetic fields can be seen…

    The most exciting part is that this hints to a jet that would be hidden from our vantage point in our galaxy… but imagine that! We might be like M87, just at a smaller scale!

    almaobservatory.org/en/press-r

    #ALMA #AlmaObservatory #EHT #EventHorizonTelescope #SMBH #MilkyWay #SagAStar #MagneticFields #WhatAboutMagneticFields

  21. Brains have the alpha waves, computers have their clocks... and radio telescopes have hydrogen masers (essentially, radio-wavelength lasers) to keep both accurate timing and frequency, which are essential for radio inteferometers such as ALMA to work.

    This masers live at 5000 m high at the Chajnator plateau, so the work itself is challenging!

    almaobservatory.org/en/announc

    #ALMA #ALMAObservatory #Maser #HydrogenMaser #interferometry #heartbeat #FrequencyReference

  22. Brains have the alpha waves, computers have their clocks... and radio telescopes have hydrogen masers (essentially, radio-wavelength lasers) to keep both accurate timing and frequency, which are essential for radio inteferometers such as ALMA to work.

    This masers live at 5000 m high at the Chajnator plateau, so the work itself is challenging!

    almaobservatory.org/en/announc

    #ALMA #ALMAObservatory #Maser #HydrogenMaser #interferometry #heartbeat #FrequencyReference

  23. Brains have the alpha waves, computers have their clocks... and radio telescopes have hydrogen masers (essentially, radio-wavelength lasers) to keep both accurate timing and frequency, which are essential for radio inteferometers such as ALMA to work.

    This masers live at 5000 m high at the Chajnator plateau, so the work itself is challenging!

    almaobservatory.org/en/announc

    #ALMA #ALMAObservatory #Maser #HydrogenMaser #interferometry #heartbeat #FrequencyReference

  24. Happy new year, and happy new ALMA 2024 Calendar!

    For January, we have a very nice image: what the Chajantor plateau looked like last year when it was full of snow! And this is just the first month image in our ALMA 2023 Calendar, which you can download from our web in two languages:

    English: almaobservatory.org/wp-content

    Spanish: almaobservatory.org/wp-content

    #ALMA #ALMAObservatory #calendar #January2024 #snow #Chajnantor #ChajnantorPlateau

  25. Happy new year, and happy new ALMA 2024 Calendar!

    For January, we have a very nice image: what the Chajantor plateau looked like last year when it was full of snow! And this is just the first month image in our ALMA 2023 Calendar, which you can download from our web in two languages:

    English: almaobservatory.org/wp-content

    Spanish: almaobservatory.org/wp-content

    #ALMA #ALMAObservatory #calendar #January2024 #snow #Chajnantor #ChajnantorPlateau

  26. Happy new year, and happy new ALMA 2024 Calendar!

    For January, we have a very nice image: what the Chajantor plateau looked like last year when it was full of snow! And this is just the first month image in our ALMA 2023 Calendar, which you can download from our web in two languages:

    English: almaobservatory.org/wp-content

    Spanish: almaobservatory.org/wp-content

    #ALMA #ALMAObservatory #calendar #January2024 #snow #Chajnantor #ChajnantorPlateau