Current Grants

• Spectral Characterization of Small Near-Earth Objects
• Spectral Characterization of Geo-Stationary Objects
• Doppler radar tracking and recovery of artificial and natural space debris
• Characterization of Spacecraft Mission Targets

Current Spacecraft Involvement

• OSIRIS-REx (Sample Return mission to NEA 101955 Bennu)
• NEOCam (Discovery Extended Phase A Study)
• DESTINY+ (Japanese Space Agency mission to NEO 3200 Phaethon)
• NASA Dawn Mission to Dwarf Planet Ceres

Current PTYS Graduate Students

Student Collaborations/Advising

Students from outside UA PTYS

• Tanner Campbell (PhD Student: Aerospace and Mechanical Engineering)
• Adriana Mitchell (Senior: Optical Sciences)
• Joe Padish (Senior: Aerospace and Mechanical Engineering)
• Parker Noonan Kaufmann (Sophomore: Computer Science)
• David Cantillo (Freshman: Geosciences)

Current Postdocs

• Juan Sanchez (PSI)

Former Postdocs

• Michael Craig (LPL)

Complete publications list available from: NASA ADS Author search: Vishnu Reddy

Refereed Publications (NASA ADS): Calendar Year 2016 through July 2018

Cloutis, E. A., Reddy, V., Blewett, D. T. The ungrouped achondrite Northwest Africa (NWA) 7325: Spectral reflectance properties and implications for parent body identification 2018Icar..311..384C

Hardersen, P. S., Reddy, V., Cloutis, E., Nowinski, M., Dievendorf, M., Genet, R. M., Becker, S., Roberts, R. Basalt or Not? Near-infrared Spectra, Surface Mineralogical Estimates, and Meteorite Analogs for 33 V_p-type Asteroids 2018AJ....156...11H

McGraw, A. M., Reddy, V., Sanchez, J. A. Do L chondrites come from the Gefion family? 2018MNRAS.476..630M

Cloutis, E. A., Pietrasz, V. B., Kiddell, C., Izawa, M. R. M., Vernazza, P., Burbine, T. H., DeMeo, F., Tait, K. T., Bell, J. F., Mann, P., Applin, D. M., Reddy, V. Spectral reflectance "deconstruction" of the Murchison CM2 carbonaceous chondrite and implications for spectroscopic investigations of dark asteroids 2018Icar..305..203C

Drummond, J. D., Merline, W. J., Carry, B., Conrad, A., Reddy, V., Tamblyn, P., Chapman, C. R., Enke, B. L., Pater, I. d., Kleer, K. d., Christou, J., Dumas, C. The triaxial ellipsoid size, density, and rotational pole of asteroid (16) Psyche from Keck and Gemini AO observations 2004-2015 2018Icar..305..174D

Le Corre, L., Sanchez, J. A., Reddy, V., Takir, D., Cloutis, E. A., Thirouin, A., Becker, K. J., Li, J.-Y., Sugita, S., Tatsumi, E. Ground-based characterization of Hayabusa2 mission target asteroid 162173 Ryugu: constraining mineralogical composition in preparation for spacecraft operations 2018MNRAS.475..614L

Reddy, V., Sanchez, J. A., Furfaro, R., Binzel, R. P., Burbine, T. H., Le Corre, L., Hardersen, P. S., Bottke, W. F., Brozovic, M. Surface Composition of (99942) Apophis 2018AJ....155..140R

Bhatt, M., Reddy, V., Schindler, K., Cloutis, E., Bhardwaj, A., Corre, L. L., Mann, P.  Composition of Jupiter irregular satellites sheds light on their origin 2017A&A...608A..67B

Nathues, A., Platz, T., Hoffmann, M., Thangjam, G., Cloutis, E. A., Applin, D. M., Le Corre, L., Reddy, V., Mengel, K., Protopapa, S., Takir, D., Preusker, F., Schmidt, B. E., Russell, C. T.  Oxo Crater on (1) Ceres: Geological History and the Role of Water-ice 2017AJ....154...84N

Schmidt, B. E., Hughson, K. H. G., Chilton, H. T., Scully, J. E. C., Platz, T., Nathues, A., Sizemore, H., Bland, M. T., Byrne, S., Marchi, S., O'Brien, D. P., Schorghofer, N., Hiesinger, H., Jaumann, R., Pasckert, J. H., Lawrence, J. D., Buzckowski, D., Castillo-Rogez, J. C., Sykes, M. V., Schenk, P. M., Desanctis, M.-C., Mitri, G., Formisano, M., Li, J.-Y., Reddy, V., Lecorre, L., Russell, C. T., Raymond, C. A.  Geomorphological evidence for ground ice on dwarf planet Ceres 2017NatGe..10..338S

Brozović, M., Benner, L. A. M., Magri, C., Scheeres, D. J., Busch, M. W., Giorgini, J. D., Nolan, M. C., Jao, J. S., Lee, C. G., Snedeker, L. G., Silva, M. A., Lawrence, K. J., Slade, M. A., Hicks, M. D., Howell, E. S., Taylor, P. A., Sanchez, J. A., Reddy, V., Dykhuis, M., Corre, L. L.  Goldstone radar evidence for short-axis mode non-principal-axis rotation of near-Earth asteroid (214869) 2007 PA8 2017Icar..286..314B

McCraig, M. A., Osinski, G. R., Cloutis, E. A., Flemming, R. L., Izawa, M. R. M., Reddy, V., Fieber-Beyer, S. K., Pompilio, L., van der Meer, F., Berger, J. A., Bramble, M. S., Applin, D. M.  Fitting the curve in Excel®: Systematic curve fitting of laboratory and remotely sensed planetary spectra 2017CG....100..103M

Nathues, A., Platz, T., Thangjam, G., Hoffmann, M., Mengel, K., Cloutis, E. A., Le Corre, L., Reddy, V., Kallisch, J., Crown, D. A.  Evolution of Occator Crater on (1) Ceres 2017AJ....153..112N

Shepard, M. K., Richardson, J., Taylor, P. A., Rodriguez-Ford, L. A., Conrad, A., de Pater, I., Adamkovics, M., de Kleer, K., Males, J. R., Morzinski, K. M., Close, L. M., Kaasalainen, M., Viikinkoski, M., Timerson, B., Reddy, V., Magri, C., Nolan, M. C., Howell, E. S., Benner, L. A. M., Giorgini, J. D., Warner, B. D., Harris, A. W.  Radar observations and shape model of asteroid 16 Psyche 2017Icar..281..388S

Takir, D., Reddy, V., Sanchez, J. A., Shepard, M. K., Emery, J. P.  Detection of Water and/or Hydroxyl on Asteroid (16) Psyche 2017AJ....153...31T

Sanchez, J. A., Reddy, V., Shepard, M. K., Thomas, C., Cloutis, E. A., Takir, D., Conrad, A., Kiddell, C., Applin, D.  Detection of Rotational Spectral Variation on the M-type Asteroid (16) Psyche 2017AJ....153...29S

Nathues, A., Hoffmann, M., Platz, T., Thangjam, G. S., Cloutis, E. A., Reddy, V., Le Corre, L., Li, J.-Y., Mengel, K., Rivkin, A., Applin, D. M., Schaefer, M., Christensen, U., Sierks, H., Ripken, J., Schmidt, B. E., Hiesinger, H., Sykes, M. V., Sizemore, H. G., Preusker, F., Russell, C. T.  FC colour images of dwarf planet Ceres reveal a complicated geological history 2016P&SS..134..122N

Reddy, V., Sanchez, J. A., Bottke, W. F., Thirouin, A., Rivera-Valentin, E. G., Kelley, M. S., Ryan, W., Cloutis, E. A., Tegler, S. C., Ryan, E. V., Taylor, P. A., Richardson, J. E., Moskovitz, N., Le Corre, L.  Physical Characterization of ˜2 M Diameter Near-Earth Asteroid 2015 TC25: A Possible Boulder from E-type Asteroid (44) Nysa 2016AJ....152..162R

Reddy, V., Sanchez, J. A.  Reddy Main Belt Asteroid Spectra V1.0 2016PDSS..242.....R

Hanuš, J., Delbo', M., Vokrouhlický, D., Pravec, P., Emery, J. P., Alí-Lagoa, V., Bolin, B., Devogèle, M., Dyvig, R., Galád, A., Jedicke, R., Kornoš, L., Kušnirák, P., Licandro, J., Reddy, V., Rivet, J.-P., Világi, J., Warner, B. D.  Near-Earth asteroid (3200) Phaethon: Characterization of its orbit, spin state, and thermophysical parameters 2016A&A...592A..34H

Pravec, P., Scheirich, P., Kušnirák, P., Hornoch, K., Galád, A., Naidu, S. P., Pray, D. P., Világi, J., Gajdoš, Š., Kornoš, L., Krugly, Y. N., Cooney, W. R., Gross, J., Terrell, D., Gaftonyuk, N., Pollock, J., Husárik, M., Chiorny, V., Stephens, R. D., Durkee, R., Reddy, V., Dyvig, R., Vraštil, J., Žižka, J., Mottola, S., Hellmich, S., Oey, J., Benishek, V., Kryszczyńska, A., Higgins, D., Ries, J., Marchis, F., Baek, M., Macomber, B., Inasaridze, R., Kvaratskhelia, O., Ayvazian, V., Rumyantsev, V., Masi, G., Colas, F., Lecacheux, J., Montaigut, R., Leroy, A., Brown, P., Krzeminski, Z., Molotov, I., Reichart, D., Haislip, J., LaCluyze, A.  Binary asteroid population. 3. Secondary rotations and elongations 2016Icar..267..267P

Berg, B. L., Cloutis, E. A., Beck, P., Vernazza, P., Bishop, J. L., Takir, D., Reddy, V., Applin, D., Mann, P.  Reflectance spectroscopy (0.35-8 μm) of ammonium-bearing minerals and qualitative comparison to Ceres-like asteroids 2016Icar..265..218B

Blewett, D. T., Denevi, B. W., Le Corre, L., Reddy, V., Schröder, S. E., Pieters, C. M., Tosi, F., Zambon, F., De Sanctis, M. C., Ammannito, E., Roatsch, T., Raymond, C. A., Russell, C. T.  Optical space weathering on Vesta: Radiative-transfer models and Dawn observations 2016Icar..265..161B

Li, J.-Y., Reddy, V., Nathues, A., Le Corre, L., Izawa, M. R. M., Cloutis, E. A., Sykes, M. V., Carsenty, U., Castillo-Rogez, J. C., Hoffmann, M., Jaumann, R., Krohn, K., Mottola, S., Prettyman, T. H., Schaefer, M., Schenk, P., Schröder, S. E., Williams, D. A., Smith, D. E., Zuber, M. T., Konopliv, A. S., Park, R. S., Raymond, C. A., Russell, C. T.  Surface Albedo and Spectral Variability of Ceres 2016ApJ...817L..22L

Thomas, C. A., Abell, P., Castillo-Rogez, J., Moskovitz, N., Mueller, M., Reddy, V., Rivkin, A., Ryan, E., Stansberry, J.  Observing Near-Earth Objects with the James Webb Space Telescope 2016PASP..128a8002T