Ann L. Sprague

3.4k total citations · 1 hit paper
53 papers, 2.4k citations indexed

About

Ann L. Sprague is a scholar working on Astronomy and Astrophysics, Atmospheric Science and Aerospace Engineering. According to data from OpenAlex, Ann L. Sprague has authored 53 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Astronomy and Astrophysics, 15 papers in Atmospheric Science and 12 papers in Aerospace Engineering. Recurrent topics in Ann L. Sprague's work include Planetary Science and Exploration (50 papers), Astro and Planetary Science (47 papers) and Geology and Paleoclimatology Research (15 papers). Ann L. Sprague is often cited by papers focused on Planetary Science and Exploration (50 papers), Astro and Planetary Science (47 papers) and Geology and Paleoclimatology Research (15 papers). Ann L. Sprague collaborates with scholars based in United States, France and Italy. Ann L. Sprague's co-authors include Sean C. Solomon, D. M. Hunten, L. R. Nittler, S. Z. Weider, T. J. McCoy, Larry G. Evans, R. Starr, W. V. Boynton, D. J. Lawrence and R. M. Killen and has published in prestigious journals such as Science, Journal of Geophysical Research Atmospheres and Earth and Planetary Science Letters.

In The Last Decade

Ann L. Sprague

53 papers receiving 2.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The Major-Element Composition of Mercury’s Surface from MESSENGER X-ray Spectrometry

2011 328 citations L. R. Nittler, R. Starr et al. Science profile →

Peers

Ann L. Sprague

AA

AS

GEOPH

AE

MB

S. Z. Weider United States

P. N. Peplowski United States

C. M. Ernst United States

D. L. Domingue United States

J. Goldsten United States

N. R. Izenberg United States

Larry G. Evans United States

R. M. Killen United States

N. L. Chabot United States

H. Fechtig Germany

S. Z. Weider United States

Ann L. Sprague

1.7k ×0.8

AA

749 ×1.0

AS

606 ×1.5

GEOPH

109 ×0.5

AE

172 ×1.0

MB

Citations per year, relative to Ann L. Sprague Ann L. Sprague (= 1×) peers S. Z. Weider

Countries citing papers authored by Ann L. Sprague

Since Specialization

Citations

This map shows the geographic impact of Ann L. Sprague's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ann L. Sprague with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ann L. Sprague more than expected).

Fields of papers citing papers by Ann L. Sprague

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ann L. Sprague. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ann L. Sprague. The network helps show where Ann L. Sprague may publish in the future.

Co-authorship network of co-authors of Ann L. Sprague

This figure shows the co-authorship network connecting the top 25 collaborators of Ann L. Sprague. A scholar is included among the top collaborators of Ann L. Sprague based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ann L. Sprague. Ann L. Sprague is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Vilas, F., D. L. Domingue, J. Helbert, et al.. (2014). Hollow Promises: A Window into Mercury’s Surface Mineralogy. 46. 1 indexed citations

2.

Peplowski, P. N., Larry G. Evans, K. R. Stockstill‐Cahill, et al.. (2013). Enhanced sodium abundance in Mercury’s north polar region revealed by the MESSENGER Gamma-Ray Spectrometer. Icarus. 228. 86–95. 80 indexed citations

3.

Sprague, Ann L., W. V. Boynton, F. Forget, et al.. (2012). Interannual similarity and variation in seasonal circulation of Mars' atmospheric Ar as seen by the Gamma Ray Spectrometer on Mars Odyssey. Journal of Geophysical Research Atmospheres. 117(E4). 22 indexed citations

4.

Vervack, Ronald J., W. E. McClintock, R. M. Killen, et al.. (2011). Early MESSENGER Results for Less Abundant or Weakly Emitting Species in Mercury's Exosphere. 6. 1131. 3 indexed citations

5.

Vervack, Ronald J., W. E. McClintock, R. M. Killen, et al.. (2011). MESSENGER Searches for Less Abundant or Weakly Emitting Species in Mercury's Exosphere. AGUFM. 2011(6). 301–4. 1 indexed citations

6.

McLain, J. L., et al.. (2011). Electron-stimulated desorption of silicates: A potential source for ions in Mercury's space environment. Journal of Geophysical Research Atmospheres. 116(E3). 27 indexed citations

7.

Holsclaw, G. M., W. E. McClintock, D. L. Domingue, et al.. (2010). A comparison of the ultraviolet to near-infrared spectral properties of Mercury and the Moon as observed by MESSENGER. Icarus. 209(1). 179–194. 24 indexed citations

8.

Vervack, Ronald J., W. E. McClintock, R. M. Killen, et al.. (2010). Mercury’s Complex Exosphere: Results from MESSENGER’s Third Flyby. Science. 329(5992). 672–675. 61 indexed citations

9.

Helbert, J., Alessandro Maturilli, N. R. Izenberg, et al.. (2008). Bridging the gap - From MASCS on MESSENGER to MERTIS on BepiColombo. 37. 1213. 1 indexed citations

10.

Zurbuchen, T. H., J. M. Raines, G. Gloeckler, et al.. (2008). MESSENGER Observations of the Composition of Mercury's Ionized Exosphere and Plasma Environment. Science. 321(5885). 90–92. 107 indexed citations

11.

Domingue, D. L., Patrick L. Koehn, R. M. Killen, et al.. (2007). Mercury’s Atmosphere: A Surface-Bounded Exosphere. Space Science Reviews. 131(1-4). 161–186. 39 indexed citations

12.

Boynton, W. V., Ann L. Sprague, Sean C. Solomon, et al.. (2007). MESSENGER and the Chemistry of Mercury’s Surface. Space Science Reviews. 131(1-4). 85–104. 29 indexed citations

13.

Karunatillake, S., S. W. Squyres, G. J. Taylor, et al.. (2006). Composition of northern low‐albedo regions of Mars: Insights from the Mars Odyssey Gamma Ray Spectrometer. Journal of Geophysical Research Atmospheres. 111(E3). 29 indexed citations

14.

Warell, J., et al.. (2004). Moon: First Spectra from 0.7 to 5.5 µm. Lunar and Planetary Science Conference. 35. 1624. 1 indexed citations

15.

Barbieri, C., G. Cremonese, Ann L. Sprague, et al.. (2004). First observations of the Na exosphere of Mercury with the high-resolution spectrograph of the 3.5M Telescopio Nazionale Galileo. Planetary and Space Science. 52(13). 1169–1175. 13 indexed citations

16.

Hunten, D. M. & Ann L. Sprague. (2002). Using the Hapke Rough Reflectance Factor for Calibration of Atmospheric Emissions at Mercury and the Moon. 278. 37. 1 indexed citations

17.

Sitko, Michael L., Ann L. Sprague, & D. K. Lynch. (2000). Thermal emission spectroscopy and analysis of dust, disks, and regoliths : proceedings of a meeting held at the Lunar and Planetary Institute at Houston, Texas, USA 28-30 April 1999. Astronomical Society of the Pacific eBooks. 4 indexed citations

18.

Jeanloz, Raymond, et al.. (1995). Evidence for a Basalt-Free Surface on Mercury and Implications for Internal Heat. Science. 268(5216). 1455–1457. 63 indexed citations

19.

Sprague, Ann L.. (1990). An observational comparison of mercury and the moon. UA Campus Repository (The University of Arizona). 4 indexed citations

20.

Sprague, Ann L., et al.. (1990). Caloris Basin: An Enhanced Source for Potassium in Mercury's Atmosphere. Science. 249(4973). 1140–1143. 50 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact