Latest Images

Top left: the commands sent to the 36 actuators...

Top left: the commands sent to the 36 actuators of the ASM, with even actuators increasi...

Ruihan Zhang et al, The Astronomical Journal 172 6

Left: the 288 × 36 interaction matrices. At the...

Left: the 288 × 36 interaction matrices. At the top is the poke matrix, measured in the ...

Ruihan Zhang et al, The Astronomical Journal 172 6

The on-sky, open-loop power spectral density of...

The on-sky, open-loop power spectral density of the x-centroids is shown on the left plo...

Ruihan Zhang et al, The Astronomical Journal 172 6

On-sky measured corrected PSFs (top row) obtain...

On-sky measured corrected PSFs (top row) obtained with modal on-sky CACOFONI (left), and...

Ruihan Zhang et al, The Astronomical Journal 172 6

Left: IRTF telescope with adaptive secondary mi...

Left: IRTF telescope with adaptive secondary mirror. Right: close-up of ASM mounted on t...

Ruihan Zhang et al, The Astronomical Journal 172 6

Residual wave front error of reconstructed wave...

Residual wave front error of reconstructed wave fronts using various CACOFONI matrices a...

Ruihan Zhang et al, The Astronomical Journal 172 6

Zernike modal variance spectrum: the Noll varia...

Zernike modal variance spectrum: the Noll variance for r0(H) = 38 cm is shown as a dashe...

Ruihan Zhang et al, The Astronomical Journal 172 6

The residual error of the recovered wave fronts...

The residual error of the recovered wave fronts subtracted from the injected wave front ...

Ruihan Zhang et al, The Astronomical Journal 172 6

The rms of the difference between the recovered...

The rms of the difference between the recovered wave fronts and the injected wave front ...

Ruihan Zhang et al, The Astronomical Journal 172 6

The frequency response function of the ASM syst...

The frequency response function of the ASM system in the laboratory when the min(ν) data...

Ruihan Zhang et al, The Astronomical Journal 172 6

Summary of the 475 identified satellite streaks...

Summary of the 475 identified satellite streaks in the HETDEX PDR1 catalog. Top: median-...

Erin Mentuch Cooper et al, The Astronomical Journal 172 6

Satellite-streak detections in HETDEX overlaid ...

Satellite-streak detections in HETDEX overlaid on a Legacy Survey DR9 grz image (≈22′ × ...

Erin Mentuch Cooper et al, The Astronomical Journal 172 6

Spectral properties of the HETDEX satellite-str...

Spectral properties of the HETDEX satellite-streak sample. Left: median-stacked spectra,...

Erin Mentuch Cooper et al, The Astronomical Journal 172 6

Satellite contamination in HETDEX PDR1. Left: g...

Satellite contamination in HETDEX PDR1. Left: growth over the survey. Light blue bars sh...

Erin Mentuch Cooper et al, The Astronomical Journal 172 6

Photometric properties of satellite streaks mea...

Photometric properties of satellite streaks measured from HETDEX spectra. Panels (a) and...

Erin Mentuch Cooper et al, The Astronomical Journal 172 6

Left: star formation rate over time (top) and c...

Left: star formation rate over time (top) and cumulative star formation history (bottom)...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

Metallicity distribution function (top) and [C/...

Metallicity distribution function (top) and [C/Fe], [Mg/Fe], [Si/Fe], [Ca/Fe], [Sr/Fe], ...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

Sr, Y, and Ba yields from AGB stars as a functi...

Sr, Y, and Ba yields from AGB stars as a function of initial stellar mass. The yields ar...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

The same as Figure 3, but for the Draco dSph.

The same as Figure 3, but for the Draco dSph.

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

[Sr/Fe], [Y/Fe], [Ba/Fe], [Eu/Fe], and [Ba/Eu] ...

[Sr/Fe], [Y/Fe], [Ba/Fe], [Eu/Fe], and [Ba/Eu] as a function of [Fe/H] in Sculptor. Pink...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

The same as Figure 5, but for the Draco dSph.

The same as Figure 5, but for the Draco dSph.

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

Top: s-process (blue, solid line) and r-process...

Top: s-process (blue, solid line) and r-process (black, dashed line) event rates in Scul...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

Metallicity distribution function (top) and [C/...

Metallicity distribution function (top) and [C/Fe], [Mg/Fe], [Si/Fe], [Ca/Fe], [Sr/Fe], ...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

[Sr/Fe] and [Y/Fe] as a function of [Fe/H] for ...

[Sr/Fe] and [Y/Fe] as a function of [Fe/H] for Sculptor (left, pink) and Draco (right, b...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

Metallicity distribution function (top) and [C/...

Metallicity distribution function (top) and [C/Fe], [Mg/Fe], [Si/Fe], [Ca/Fe], [Sr/Fe], ...

Lauren E. Henderson et al, The Astrophysical Journal 1011 2

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Updated Search and Sort

We have updated the search and sort algorithm to return records in reverse chronological order based on the date/time that the images were uploaded to the Astronomy Image Explorer. This is potentially but rarely different from the publication date. Thank you!