Latest Images

Left: CTIO 4 m image taken UT 2017 October 25. ...

Active Asteroid P/2017 S5 (ATLAS)

Left: CTIO 4 m image taken UT 2017 October 25. Right: WIYN 3.5 m image taken UT 2017 Nov...

The Astronomical Journal 157 2 54

Composite HST 3240 s image from UT 2018 Septemb...

Active Asteroid P/2017 S5 (ATLAS)

Composite HST 3240 s image from UT 2018 September 07. The cardinal directions, and the p...

The Astronomical Journal 157 2 54

Photometry from Table 2. The horizontal line is...

Active Asteroid P/2017 S5 (ATLAS)

Photometry from Table 2. The horizontal line is a least-squares fit to the data, showing...

The Astronomical Journal 157 2 54

(A) synchrones computed for ejection 30, 60, 90...

Active Asteroid P/2017 S5 (ATLAS)

(A) synchrones computed for ejection 30, 60, 90, 120, and 150 days prior to the date of ...

The Astronomical Journal 157 2 54

Model simulations compared with images from (le...

Active Asteroid P/2017 S5 (ATLAS)

Model simulations compared with images from (left) DECam and (right) WIYN. Adopted model...

The Astronomical Journal 157 2 54

Photometry from WIYN (3″ radius aperture) compa...

Active Asteroid P/2017 S5 (ATLAS)

Photometry from WIYN (3″ radius aperture) compared with a field star of comparable brigh...

The Astronomical Journal 157 2 54

The TESS Sector 1 light curve of HD 202772A, wi...

HD 202772A b: A Transiting Hot Jupiter ...

The TESS Sector 1 light curve of HD 202772A, with two-minute cadence. Instrumental signa...

The Astronomical Journal 157 2 51

AO image (inset) and Ks-band contrast curves fo...

HD 202772A b: A Transiting Hot Jupiter ...

AO image (inset) and Ks-band contrast curves for HD 202772A, obtained with Keck/NIRC2. A...

The Astronomical Journal 157 2 51

Phased light curves of HD 202772A b. The red so...

HD 202772A b: A Transiting Hot Jupiter ...

Phased light curves of HD 202772A b. The red solid line represents the best-fitting mode...

The Astronomical Journal 157 2 51

RV measurements from CHIRON (black circles), HA...

HD 202772A b: A Transiting Hot Jupiter ...

RV measurements from CHIRON (black circles), HARPS (green squares), and TRES (blue trian...

The Astronomical Journal 157 2 51

Same as Figure 4 but as a function of time inst...

HD 202772A b: A Transiting Hot Jupiter ...

Same as Figure 4 but as a function of time instead of orbital phase.

The Astronomical Journal 157 2 51

Bisector velocity span (BVS; top panel) and CCF...

HD 202772A b: A Transiting Hot Jupiter ...

Bisector velocity span (BVS; top panel) and CCF FWHM (bottom panel) as functions of the ...

The Astronomical Journal 157 2 51

The position of HD 202772A b (red) in the space...

HD 202772A b: A Transiting Hot Jupiter ...

The position of HD 202772A b (red) in the space of mass, radius, and irradiation, compar...

The Astronomical Journal 157 2 51

Surface gravity and effective temperature of th...

HD 202772A b: A Transiting Hot Jupiter ...

Surface gravity and effective temperature of the hosts of transiting giant planets (simi...

The Astronomical Journal 157 2 51

Correction for telluric sodium emission as appl...

High-resolution Transit Spectroscopy of...

Correction for telluric sodium emission as applied to one HAT-P-12b observation. The top...

The Astronomical Journal 157 2 58

Typical data reduction process used in our anal...

High-resolution Transit Spectroscopy of...

Typical data reduction process used in our analysis, for a WASP-69b spectrum. The top pa...

The Astronomical Journal 157 2 58

An example of using the Snellen et al. (2008) m...

High-resolution Transit Spectroscopy of...

An example of using the Snellen et al. (2008) method to analyze the sodium D1 line in th...

The Astronomical Journal 157 2 58

Results of injecting models of various strength...

High-resolution Transit Spectroscopy of...

Results of injecting models of various strengths into our data, and repeating the Dopple...

The Astronomical Journal 157 2 58

Example correlation maps (left panels) and phas...

High-resolution Transit Spectroscopy of...

Example correlation maps (left panels) and phase-folded correlations (right panels) obta...

The Astronomical Journal 157 2 58

Results of injecting atmospheric absorption mod...

High-resolution Transit Spectroscopy of...

Results of injecting atmospheric absorption models into our data and repeating the Doppl...

The Astronomical Journal 157 2 58

Results of injecting model spectra with cloud l...

High-resolution Transit Spectroscopy of...

Results of injecting model spectra with cloud layers at various pressures into our WASP-...

The Astronomical Journal 157 2 58

Full data reduction process as applied to the H...

High-resolution Transit Spectroscopy of...

Full data reduction process as applied to the HAT-P-12b observations from the blue CCD. ...

The Astronomical Journal 157 2 58

Full data reduction process as applied to the W...

High-resolution Transit Spectroscopy of...

Full data reduction process as applied to the WASP-69b observations. Explanations for ea...

The Astronomical Journal 157 2 58

Model spectra used in our analysis. The top pan...

High-resolution Transit Spectroscopy of...

Model spectra used in our analysis. The top panel shows the spectrum calculated for HAT-...

The Astronomical Journal 157 2 58

Model spectra used in our analysis. The top pan...

High-resolution Transit Spectroscopy of...

Model spectra used in our analysis. The top panel shows the spectrum calculated for HAT-...

The Astronomical Journal 157 2 58

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