Author Archives: Steven Janowiecki

Open position: Resident Astronomer

This advertisement was posted on February 17th 2020, and applications received by March 31st will be fully considered.

 

The University of Texas at Austin, McDonald Observatory invites applications for a Resident Astronomer for the Hobby-Eberly Telescope (HET) in the beautiful Davis Mountains of west Texas. The HET is a fully queue scheduled 10-m class optical and near-IR spectroscopic telescope located 6,600 feet above sea level. The observing queue is run by the team of Resident Astronomers who serve as on-site observing specialists, generally each working about 7-10 nights per month. Currently the facility instruments include the Visible Integral-field Replicable Unit Spectrograph (VIRUS), the Low-Resolution Spectrograph 2 (LRS2), and the Habitable-zone Planet Finder Spectrograph (HPF). All together, this powerful suite of spectroscopic instruments on one of the world’s largest optical telescopes enables a diverse range of research possibilities.

The Resident Astronomer position includes up to 25% time for personal research and funds to support research (computing, travel, publications, etc).

 

Key responsibilities of the position include:

  • Leading nightly science observations safely and efficiently from sunset to sunrise.
  • Working with the HET partner scientists to verify the integrity and quality of the observations and help optimize the scientific productivity of the facility.
  • Working with instrument scientists and engineering staff to maintain and document the performance of the HET and its instruments.
  • Documenting the current status of science operations through wikis and web pages.
  • Conducting projects to characterize and/or improve science operations.
  • Up to 25% of the work hours are available to conduct personal research and to contribute to the scientific life at the observatory.

 

The full job advertisement is available on the AAS job register:

https://jobregister.aas.org/ad/8ef7526d

 

and the application is available on the UT workday website:

https://utaustin.wd1.myworkdayjobs.com/UTstaff/job/MCDONALD-OBSERVATORY/Resident-Astronomer—Hobby-Eberly-Telescope_R_00008175

Exciting new results from HPF

HPF’s first new astronomy result is now published!  The team has validated their first planet, G 9-40b.

The article in the Astronomical Journal is available here: https://iopscience.iop.org/article/10.3847/1538-3881/ab5f15

And here is a freely-available version of the paper on the arXiv pre-print server: https://arxiv.org/abs/1912.00291

Press releases on this from PSU, UT are at:

https://science.psu.edu/news/Mahadevan2-2020

https://mcdonaldobservatory.org/news/releases/20200221

For a more publicly-accessible description, see the HPF team’s blog: https://hpf.psu.edu/2020/02/20/g-9-40b-hpfs-first-planet-validation/

Short term DIMM outage

As of Wednesday Feb 12th, the DIMM (Differential Image Motion Monitor) telescope is temporarily out of commission due to a technical problem. We usually run this telescope (mounted a few hundred feet from the HET on a platform to monitor native site seeing) while observing and provide the DIMM image quality (seeing) measurement to PIs with their observations. However these measurements will be temporarily unavailable while we are fixing the issue.

(Edit Feb 22nd: the DIMM functionality has been restored!)

Internet outages recently, getting back to normal now

Currently (Wednesday January 29th, 2020), things appear to be normal again, but we’ve been experiencing issues with internet/network connectivity over the past few days.   In the early morning hours of Sunday January 26th (around 5am) we lost all network/internet access on site.  Some access was restored that evening around 9:45pm, but connections were spotty, inconsistent, and some functions were not working.  This affected our real-time data transfers from HET to TACC and has prevented some users from editing their observing programs. All of this functionality appear to have been restored at this time, but if you have any issues please get in touch with us to help.

VIRUS at 59

VIRUS recently celebrated the installation of its 59th unit. Below is a representation of the sky area covered by the current IFUs:

VIRUS IFUs

(Note: the VIRUS units (grey squares) do not actually touch each other, but are shown doubled in size to fill in the gaps between them, graphically.)

52 VIRUS units and counting

VIRUS units continue to multiply!  Shown below is a representation of 52 units on the sky:

VIRUS array, expanded images

The grey squares with stars on them are looking at the sky (with more than 23,000 fiberoptic cables taking simultaneous spectra!), and the white squares are empty slots for future units.

The VIRUS units (grey squares) do not actually touch each other, but are shown doubled in size to fill in the gaps between them, graphically.