David J Sand
- Professor, Astronomy
- Astronomer, Steward Observatory
- Member of the Graduate Faculty
Contact
- (520) 621-2288
- Steward Observatory, Rm. N208
- Tucson, AZ 85721
- dsand@as.arizona.edu
Degrees
- Ph.D. Physics
- California Institute of Technology, Pasadena, California, United States
- The Dark Matter Distribution in Galaxy Clusters
Work Experience
- Texas Tech University, Lubbock, Texas (2013 - 2017)
Interests
No activities entered.
Courses
2024-25 Courses
-
Fund Of Astronomy
ASTR 250 (Spring 2025) -
Directed Research
ASTR 492 (Fall 2024) -
Dissertation
ASTR 920 (Fall 2024) -
Honors Thesis
PHYS 498H (Fall 2024) -
Struc+Dynamics Galaxies
ASTR 540 (Fall 2024)
2023-24 Courses
-
Directed Research
ASTR 492 (Spring 2024) -
Dissertation
ASTR 920 (Spring 2024) -
Fund Of Astronomy
ASTR 250 (Spring 2024) -
Directed Research
ASTR 392 (Fall 2023) -
Dissertation
ASTR 920 (Fall 2023) -
Struc+Dynamics Galaxies
ASTR 540 (Fall 2023)
2022-23 Courses
-
Directed Research
ASTR 392 (Spring 2023) -
Research
ASTR 900 (Spring 2023) -
Research
ASTR 900 (Fall 2022) -
Struc+Dynamics Galaxies
ASTR 540 (Fall 2022)
2021-22 Courses
-
Dissertation
PHYS 920 (Spring 2022) -
Research
ASTR 900 (Spring 2022) -
Dissertation
PHYS 920 (Fall 2021) -
Research
ASTR 900 (Fall 2021) -
Stars
ASTR 203 (Fall 2021)
2020-21 Courses
-
Dissertation
PHYS 920 (Spring 2021) -
Fund Of Astronomy
ASTR 250 (Spring 2021) -
Research
ASTR 900 (Spring 2021) -
Research
ASTR 900 (Fall 2020) -
Stars
ASTR 203 (Fall 2020)
2019-20 Courses
-
Honors Independent Study
PHYS 499H (Spring 2020) -
Honors Thesis
ASTR 498H (Spring 2020) -
Research
ASTR 900 (Spring 2020) -
Honors Thesis
ASTR 498H (Fall 2019) -
Independent Study
ASTR 599 (Fall 2019) -
Research
ASTR 900 (Fall 2019) -
Stars
ASTR 203 (Fall 2019)
2018-19 Courses
-
Directed Research
ASTR 492 (Summer I 2019) -
Research
ASTR 900 (Spring 2019) -
Research
ASTR 900 (Fall 2018) -
Stars
ASTR 203 (Fall 2018)
2017-18 Courses
-
Honors Independent Study
ASTR 399H (Spring 2018) -
Honors Independent Study
ASTR 499H (Spring 2018) -
Research
ASTR 900 (Spring 2018) -
Stellar Evolution Seminar
ASTR 560 (Spring 2018) -
Independent Study
ASTR 599 (Fall 2017)
Scholarly Contributions
Journals/Publications
- Bennet, P., Sand, D., Crnojevi{\'c}, D., Weisz, D., Caldwell, N., Guhathakurta, P., Hargis, J., Karunakaran, A., Mutlu-Pakdil, B. .., Olszewski, E., Salzer, J., Seth, A., Simon, J., Spekkens, K., Stark, D., Strader, J., Tollerud, E., Toloba, E., & Willman, B. (2022). Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA Dw3 and Dw4. \apj, 924(2), 98.
- Cerny, W., Simon, J., Li, T., Drlica-Wagner, A. .., Pace, A., Mart{\inez-Vazquez}, C., Riley, A., Mutlu-Pakdil, B. .., Mau, S., Ferguson, P., Erkal, D., Munoz, R., Bom, C., Carlin, J., Carollo, D., Choi, Y., Ji, A., Mart{\inez-Delgado}, D., Manwadkar, V., , Miller, A., et al. (2022). Pegasus IV: Discovery and Spectroscopic Confirmation of an Ultra-Faint Dwarf Galaxy in the Constellation Pegasus. arXiv e-prints, arXiv:2203.11788.
- Drlica-Wagner, A. .., Ferguson, P., Adam{\'ow}, M., Aguena, M., Andrade-Oliveira, F. .., Bacon, D., Bechtol, K., Bell, E., Bertin, E., Bilaji, P., Bocquet, S., Bom, C., Brooks, D., Burke, D., Carballo-Bello, J., Carlin, J., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., , Castander, F., et al. (2022). The DECam Local Volume Exploration Survey Data Release 2. arXiv e-prints, arXiv:2203.16565.
- Graham, M., Kennedy, T., Kumar, S., Amaro, R., Sand, D., Jha, S., Galbany, L., Vinko, J., Wheeler, J., Hsiao, E., Bostroem, K., Burke, J., Hiramatsu, D., Hosseinzadeh, G., McCully, C., Howell, D., Diamond, T., Hoeflich, P., Wang, X., & Li, W. (2022). Nebular-phase spectra of Type Ia supernovae from the Las Cumbres Observatory Global Supernova Project. \mnras, 511(3), 3682-3707.
- Hosseinzadeh, G., Kilpatrick, C. D., Dong, Y., Sand, D. J., Andrews, J. E., Bostroem, K. A., Janzen, D., Jencson, J. E., Lundquist, M., Meza, N., Pearson, J., Valenti, S., Wyatt, S., Burke, J., Hiramatsu, D., Howell, D. A., McCully, C., Newsome, M., Padilla, G. E., , Pellegrino, C., et al. (2022). Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja. arXiv e-prints, arXiv:2203.08155.
- Jones, M. G., Sand, D. J., Bellazzini, M., Spekkens, K., Cannon, J. M., Mutlu-Pakdil, B., Karunakaran, A., Beccari, G., Magrini, L., Cresci, G., Inoue, J. L., Fuson, J., Adams, E. A., Battaglia, G., Bennet, P., Crnojevi{\'c}, D., Caldwell, N., Guhathakurta, P., Haynes, M. P., , Mu{\~noz}, R. R., et al. (2022). AGC 226178 and NGVS 3543: Two Deceptive Dwarfs toward Virgo. \apjl, 926(2), L15.
- Mutlu-Pakdil, B., Sand, D. J., Crnojevi{\'c}, D., Jones, M. G., Caldwell, N., Guhathakurta, P., Seth, A. C., Simon, J. D., Spekkens, K., Strader, J., & Toloba, E. (2022). Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Three Ultra-faint Dwarf Galaxies. \apj, 926(1), 77.
- Ni, Y. Q., Moon, D., Drout, M. R., Polin, A., Sand, D. J., Gonz{\'alez-Gait\'an}, S., Kim, S. C., Lee, Y., Park, H. S., Howell, D. A., Nugent, P. E., Piro, A. L., Brown, P. J., Galbany, L., Burke, J., Hiramatsu, D., Hosseinzadeh, G., Valenti, S., Afsariardchi, N., , Andrews, J. E., et al. (2022). Infant-phase reddening by surface Fe-peak elements in a normal type Ia supernova. Nature Astronomy.
- Rastinejad, J., Paterson, K., Fong, W., Sand, D., Lundquist, M., Hosseinzadeh, G., Christensen, E., Daly, P., Gibbs, A., Hall, S., Shelly, F., & Yang, S. (2022). A Systematic Exploration of Kilonova Candidates from Neutron Star Mergers during the Third Gravitational-wave Observing Run. \apj, 927(1), 50.
- Shahbandeh, M., Hsiao, E., Ashall, C., Teffs, J., Hoeflich, P., Morrell, N., Phillips, M., Anderson, J., Baron, E., Burns, C., Contreras, C., Davis, S., Diamond, T., Folatelli, G., Galbany, L., Gall, C., Hachinger, S., Holmbo, S., Karamehmetoglu, E., , Kasliwal, M., et al. (2022). Carnegie Supernova Project-II: Near-infrared Spectroscopy of Stripped-envelope Core-collapse Supernovae. \apj, 925(2), 175.
- Andrews, J. E., Jencson, J. E., Van, D., Smith, N., Neustadt, J. M., Sand, D. J., Kreckel, K., Kochanek, C., Valenti, S., Strader, J., Bersten, M., Blanc, G. A., Bostroem, K. A., Brink, T. G., Emsellem, E., Filippenko, A. V., Folatelli, G., Kasliwal, M. M., Masci, F. J., , McElroy, R., et al. (2021). The Blue Supergiant Progenitor of the Supernova Imposter AT 2019krl. \apj, 917(2), 63.
- Ashall, C., Lu, J., Hsiao, E., Hoeflich, P., Phillips, M., Galbany, L., Burns, C., Contreras, C., Krisciunas, K., Morrell, N., Stritzinger, M., Suntzeff, N., Taddia, F., Anais, J., Baron, E., Brown, P., Busta, L., Campillay, A., Castell{\'on}, S., , Corco, C., et al. (2021). Carnegie Supernova Project: The First Homogeneous Sample of Super-Chandrasekhar-mass/2003fg-like Type Ia Supernovae. \apj, 922(2), 205.
- Barna, B., Szalai, T., Jha, S. W., Camacho-Neves, Y., Kwok, L., Foley, R. J., Kilpatrick, C. D., Coulter, D. A., Dimitriadis, G., Rest, A., Rojas-Bravo, C., Siebert, M. R., Brown, P. J., Burke, J., Padilla, G. E., Hiramatsu, D., Howell, D. A., McCully, C., Pellegrino, C., , Dobson, M., et al. (2021). SN 2019muj - a well-observed Type Iax supernova that bridges the luminosity gap of the class. \mnras, 501(1), 1078-1099.
- Bennet, P., Sand, D., Crnojevi{\'c}, D., Weisz, D., Caldwell, N., Guhathakurta, P., Hargis, J., Karunakaran, A., Mutlu-Pakdil, B. .., Olszewski, E., Salzer, J., Seth, A., Simon, J., Spekkens, K., Stark, D., Strader, J., Tollerud, E., Toloba, E., & Willman, B. (2021). Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA-Dw3 and Dw4. arXiv e-prints, arXiv:2101.08270.
- Brennan, S., Brennan, S., Fraser, M., Fraser, M., Johansson, J., Johansson, J., Pastorello, A., Pastorello, A., Kotak, R., Kotak, R., Stevance, H., Stevance, H., Chen, T. -., Chen, T. -., Eldridge, J., Eldridge, J., Bose, S., Bose, S., Brown, P., , Brown, P., et al. (2021). An impostor among us I: Photometric and spectroscopic evolution of AT 2016jbu. arXiv e-prints, arXiv:2102.09572.
- Brennan, S., Fraser, M., Johansson, J., Pastorello, A., Kotak, R., Stevance, H., Chen, T. -., Eldridge, J., Bose, S., Brown, P., Callis, E., Cartier, R., Dennefeld, M., Dong, S., Duffy, P., Elias-Rosa, N. .., Hosseinzadeh, G., Hsiao, E., Kuncarayakti, H., , Martin-Carrillo, A. .., et al. (2021). An impostor among us II: Progenitor, environment, and modelling of AT 2016jbu. arXiv e-prints, arXiv:2102.09576.
- Burke, J., Howell, D., Sarbadhicary, S., Sand, D., Amaro, R., Hiramatsu, D., McCully, C., Pellegrino, C., Andrews, J., Brown, P., Itagaki, K., Shahbandeh, M., Bostroem, K., Chomiuk, L., Hsiao, E., Smith, N., & Valenti, S. (2021). A Bright Ultraviolet Excess in the Transitional 02es-like Type Ia Supernova 2019yvq. \apj, 919(2), 142.
- Burke, J., Howell, D., Sarbadhicary, S., Sand, D., Amaro, R., Hiramatsu, D., McCully, C., Pellegrino, C., Andrews, J., Brown, P., Itagaki, K., Shahbandeh, M., Bostroem, K., Chomiuk, L., Hsiao, E., Smith, N., & Valenti, S. (2021). A Bright Ultraviolet Excess in the Transitional 02es-like Type Ia Supernova 2019yvq. arXiv e-prints, arXiv:2101.06345.
- Carlin, J. L., Mutlu-Pakdil, B., Crnojevi{\'c}, D., Garling, C. T., Karunakaran, A., Peter, A. H., Tollerud, E., Forbes, D. A., Hargis, J. R., Lim, S., Romanowsky, A. J., Sand, D. J., Spekkens, K., & Strader, J. (2021). Hubble Space Telescope Observations of Two Faint Dwarf Satellites of Nearby LMC Analogs from MADCASH. \apj, 909(2), 211.
- Cerny}, W., Pace, A., Drlica-Wagner, A. .., Ferguson, P., Mau, S., Adam{\'ow}, M., Carlin, J., Choi, Y., Erkal, D., Johnson, L., Li, T., Mart{\'\inez-V\'azquez}, C., Mutlu-Pakdil, B. .., Nidever, D., Olsen, K., Pieres, A., Tollerud, E., Simon, J., Vivas, A., , James, D., et al. (2021). Discovery of an Ultra-faint Stellar System near the Magellanic Clouds with the DECam Local Volume Exploration Survey. \apj, 910(1), 18.
- Cerny}, W., Pace, A., Drlica-Wagner, A. .., Koposov, S., Vivas, A., Mau, S., Riley, A., Bom, C., Carlin, J., Choi, Y., Erkal, D., Ferguson, P., James, D., Li, T., Mart{\'\inez-Delgado}, D., Mart{\'\inez-V\'azquez}, C., Munoz, R., Mutlu-Pakdil, B. .., Olsen, K., , Pieres, A., et al. (2021). Eridanus IV: an Ultra-faint Dwarf Galaxy Candidate Discovered in the DECam Local Volume Exploration Survey. \apjl, 920(2), L44.
- Cho, H., Woo, J., Treu, T., Williams, P. R., Armen, S. F., Barth, A. J., Bennert, V. N., Cho, W., Filippenko, A. V., Gallo, E., Geum, J., Gonz{\'alez-Buitrago}, D., G{\"ultekin}, K., Hodges-Kluck, E., Horst, J. C., Hwang, S. H., Kang, W., Kim, M., Kim, T., , Leonard, D. C., et al. (2021). H\ensuremath{\alpha} Reverberation Mapping of the Intermediate-mass Active Galactic Nucleus in NGC 4395. \apj, 921(2), 98.
- Davis, A. B., Nierenberg, A. M., Peter, A. H., Garling, C. T., Greco, J. P., Kochanek, C. S., Utomo, D., Casey, K. J., Pogge, R. W., Roberts, D. M., Sand, D. J., & Sardone, A. (2021). The LBT satellites of Nearby Galaxies Survey (LBT-SONG): the satellite population of NGC 628. \mnras, 500(3), 3854-3869.
- Dong, Y., Valenti, S., Bostroem, K., Sand, D., Andrews, J. E., Galbany, L., Jha, S. W., Eweis, Y., Kwok, L., Hsiao, E., Davis, S., Brown, P. J., Kuncarayakti, H., Maeda, K., Rho, J., Amaro, R., Anderson, J., Arcavi, I., Burke, J., , Dastidar, R., et al. (2021). Supernova 2018cuf: A Type IIP Supernova with a Slow Fall from Plateau. \apj, 906(1), 56.
- Drlica-Wagner, A. .., Carlin, J., Nidever, D., Ferguson, P., Kuropatkin, N., Adam{\'ow}, M., Cerny, W., Choi, Y., Esteves, J., Mart{\'\inez-V\'azquez}, C., Mau, S., Miller, A., Mutlu-Pakdil, B. .., Neilsen, E., Olsen, K., Pace, A., Riley, A., Sakowska, J., Sand, D., , Santana-Silva, L. .., et al. (2021). The DECam Local Volume Exploration Survey: Overview and First Data Release. ApJ, arXiv:2103.07476.
- Drlica-Wagner}, A., Carlin, J., Nidever, D., Ferguson, P., Kuropatkin, N., Adam{\'ow}, M., Cerny, W., Choi, Y., Esteves, J., Mart{\'\inez-V\'azquez}, C., Mau, S., Miller, A., Mutlu-Pakdil, B. .., Neilsen, E., Olsen, K., Pace, A., Riley, A., Sakowska, J., Sand, D., , Santana-Silva, L. .., et al. (2021). The DECam Local Volume Exploration Survey: Overview and First Data Release. \apjs, 256(1), 2.
- Dumont, A., Seth, A. C., Strader, J., Voggel, K., Sand, D. J., Hughes, A. K., Caldwell, N., Cronjevi{\'c}, D., Mateo, M., Bailey, I., & Forbes, D. A. (2021). A population of luminous globular clusters and stripped nuclei with elevated mass to light ratios around NGC 5128. arXiv e-prints, arXiv:2112.04504.
- Garling, C. T., Peter, A. H., Kochanek, C. S., Sand, D. J., & Crnojevi{\'c}, D. (2021). A search for satellite galaxies of nearby star-forming galaxies with resolved stars in LBT-SONG. \mnras, 507(4), 4764-4778.
- Hiramatsu, D., Howell, D. A., Van, D., Goldberg, J. A., Maeda, K., Moriya, T. J., Tominaga, N., Nomoto, K., Hosseinzadeh, G., Arcavi, I., McCully, C., Burke, J., Bostroem, K. A., Valenti, S., Dong, Y., Brown, P. J., Andrews, J. E., Bilinski, C., Williams, G. G., , Smith, P. S., et al. (2021). The electron-capture origin of supernova 2018zd. Nature Astronomy, 5, 903-910.
- Hughes, A. K., Sand, D. J., Seth, A., Strader, J., Voggel, K., Dumont, A., Crnojevi{\'c}, D., Caldwell, N., Forbes, D. A., Simon, J. D., Guhathakurta, P., & Toloba, E. (2021). NGC 5128 Globular Cluster Candidates Out to 150 kpc: A Comprehensive Catalog from Gaia and Ground-based Data. \apj, 914(1), 16.
- Jencson, J. E., Andrews, J. E., Bond, H. E., Karambelkar, V., Sand, D. J., Dyk, S. D., Blagorodnova, N., Boyer, M. L., Kasliwal, M. M., Lau, R. M., Mohamed, S., Williams, R., Whitelock, P. A., Amaro, R. C., Bostroem, K. A., Dong, Y., Lundquist, M. J., Valenti, S., Wyatt, S. D., , Burke, J., et al. (2021). AT 2019qyl in NGC 300: Early Outflow Collisions for a Very Fast Nova in a Symbiotic Binary. arXiv e-prints, arXiv:2102.11291.
- Jencson, J. E., Andrews, J. E., Bond, H. E., Karambelkar, V., Sand, D. J., Dyk, S. D., Blagorodnova, N., Boyer, M. L., Kasliwal, M. M., Lau, R. M., Mohamed, S., Williams, R., Whitelock, P. A., Amaro, R. C., Bostroem, K. A., Dong, Y., Lundquist, M. J., Valenti, S., Wyatt, S. D., , Burke, J., et al. (2021). AT 2019qyl in NGC 300: Internal Collisions in the Early Outflow from a Very Fast Nova in a Symbiotic Binary. \apj, 920(2), 127.
- Jencson, J. E., Sand, D. J., Andrews, J. E., Smith, N., Pearson, J., Strader, J., Valenti, S., Beasor, E. R., & Rothberg, B. (2021). An Exceptional Dimming Event for a Massive, Cool Supergiant in M51. arXiv e-prints, arXiv:2110.11376.
- Jones, M. G., Bennet, P., Mutlu-Pakdil, B., Sand, D. J., Spekkens, K., Crnojevi{\'c}, D., Karunakaran, A., & Zaritsky, D. (2021). Evidence for Ultra-diffuse Galaxy Formation through Tidal Heating of Normal Dwarfs. \apj, 919(2), 72.
- Karunakaran, A., Spekkens, K., Oman, K. A., Simpson, C. M., Fattahi, A., Sand, D. J., Bennet, P., Crnojevi{\'c}, D., Frenk, C. S., G{\'omez}, F. A., Grand, R. J., Jones, M. G., Marinacci, F., Mutlu-Pakdil, B., Navarro, J. F., & Zaritsky, D. (2021). Satellites around Milky Way Analogs: Tension in the Number and Fraction of Quiescent Satellites Seen in Observations versus Simulations. \apjl, 916(2), L19.
- Kilpatrick, C. D., Coulter, D. A., Arcavi, I., Brink, T. G., Dimitriadis, G., Filippenko, A. V., Foley, R. J., Howell, D. A., Jones, D. O., Kasen, D., Makler, M., Piro, A. L., Rojas-Bravo, C., Sand, D. J., Swift, J. J., Tucker, D., Zheng, W., Allam, S. S., Annis, J. T., , Antilen, J., et al. (2021). The Gravity Collective: A Search for the Electromagnetic Counterpart to the Neutron Star-Black Hole Merger GW190814. \apj, 923(2), 258.
- Lu, J., Ashall, C., Hsiao, E., Hoeflich, P., Galbany, L., Baron, E., Phillips, M., Contreras, C., Burns, C., Suntzeff, N., Stritzinger, M., Anais, J., Anderson, J., Brown, P., Busta, L., Castell{\'on}, S., Davis, S., Diamond, T., Falco, E., , Gonzalez, C., et al. (2021). ASASSN-15hy: An Underluminous, Red 03fg-like Type Ia Supernova. \apj, 920(2), 107.
- Mart{\'\inez-V\'azquez}, C., Cerny, W., Vivas, A., Drlica-Wagner, A. .., Pace, A., Simon, J., Munoz, R., Walker, A., Allam, S., Tucker, D., Adam{\'ow}, M., Carlin, J., Choi, Y., Ferguson, P., Ji, A., Kuropatkin, N., Li, T., Mart{\'\inez-Delgado}, D., Mau, S., , Mutlu-Pakdil, B. .., et al. (2021). RR Lyrae Stars in the Newly Discovered Ultra-faint Dwarf Galaxy Centaurus I. \aj, 162(6), 253.
- Mutlu-Pakdil, B., Sand, D. J., Crnojevi{\'c}, D., Drlica-Wagner, A., Caldwell, N., Guhathakurta, P., Seth, A. C., Simon, J. D., Strader, J., & Toloba, E. (2021). Resolved Dwarf Galaxy Searches within 5 Mpc with the Vera Rubin Observatory and Subaru Hyper Suprime-Cam. \apj, 918(2), 88.
- Nagao, T., Patat, F., Taubenberger, S., Baade, D., Faran, T., Cikota, A., Sand, D., Bulla, M., Kuncarayakti, H., Maund, J., Tartaglia, L., Valenti, S., & Reichart, D. (2021). Evidence for multiple origins of fast declining Type II supernovae from spectropolarimetry of SN 2013ej and SN 2017ahn. \mnras, 505(3), 3664-3680.
- Pastorello, A., Valerin, G., Fraser, M., Elias-Rosa, N. .., Valenti, S., Reguitti, A., Mazzali, P., Amaro, R., Andrews, J., Dong, Y., Jencson, J., Lundquist, M., Reichart, D., Sand, D., Wyatt, S., Smartt, S., Smith, K., Srivastav, S., Cai, Y. -., , Cappellaro, E., et al. (2021). Forbidden hugs in pandemic times. II. The luminous red nova variety: AT 2020hat and AT 2020kog. \aap, 647, A93.
- Paterson, K., Lundquist, M., Rastinejad, J., Fong, W., Sand, D., Andrews, J., Amaro, R., Eskandari, O., Wyatt, S., Daly, P., Bradley, H., Zhou-Wright, S. .., Valenti, S., Yang, S., Christensen, E., Gibbs, A., Shelly, F., Bilinski, C., Chomiuk, L., , Corsi, A., et al. (2021). Searches after Gravitational Waves Using ARizona Observatories (SAGUARO): Observations and Analysis from Advanced LIGO/Virgo's Third Observing Run. \apj, 912(2), 128.
- Sand, D., Sarbadhicary, S., Pellegrino, C., Misra, K., Dastidar, R., Brown, P., Itagaki, K., Valenti, S., Swift, J. J., Andrews, J., Bostroem, K., Burke, J., Chomiuk, L., Dong, Y., Galbany, L., Graham, M., Hiramatsu, D., Howell, D., Hsiao, E., , Janzen, D., et al. (2021). Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb. \apj, 922(1), 21.
- Simon, J. D., Brown, T. M., Drlica-Wagner, A., Li, T. S., Avila, R. J., Bechtol, K., Clementini, G., Crnojevi{\'c}, D., Garofalo, A., Geha, M., Sand, D. J., Strader, J., & Willman, B. (2021). Eridanus II: A Fossil from Reionization with an Off-center Star Cluster. \apj, 908(1), 18.
- Soraisam, M. D., DeSantis, S. R., Lee, C., Matheson, T., Narayan, G., Saha, A., Sand, D. J., Stubens, C., Szkody, P., Wolf, N., Wyatt, S. D., Hosokawa, R., Kawai, N., & Murata, K. L. (2021). AT 2020iko: A WZ Sge-type Dwarf Nova Candidate with an Anomalous Precursor Event. \aj, 161(1), 15.
- Tartaglia, L., Sand, D., Groh, J., Valenti, S., Wyatt, S., Bostroem, K., Brown, P., Yang, S., Burke, J., Chen, T. -., Davis, S., F{\"orster}, F., Galbany, L., Haislip, J., Hiramatsu, D., Hosseinzadeh, G., Howell, D., Hsiao, E., Jha, S., , Kouprianov, V., et al. (2021). The Early Discovery of SN 2017ahn: Signatures of Persistent Interaction in a Fast-declining Type II Supernova. \apj, 907(1), 52.
- Trujillo, I., D'Onofrio, M., Zaritsky, D., Madrigal-Aguado, A., Chamba, N., Golini, G., Akhlaghi, M., Sharbaf, Z., Infante-Sainz, R., Rom{\'an}, J., Morales-Socorro, C., Sand, D. J., & Martin, G. (2021). Introducing the LBT Imaging of Galactic Halos and Tidal Structures (LIGHTS) survey. A preview of the low surface brightness Universe to be unveiled by LSST. \aap, 654, A40.
- Wyatt, S., Sand, D., Hsiao, E., Burns, C., Valenti, S., Bostroem, K., Lundquist, M., Galbany, L., Lu, J., Ashall, C., Diamond, T., Filippenko, A., Graham, M., Hoeflich, P., Kirshner, R., Krisciunas, K., Marion, G., Morrell, N., Persson, S., , Phillips, M., et al. (2021). Strong Near-infrared Carbon Absorption in the Transitional Type Ia SN 2015bp. \apj, 914(1), 57.
- Zeng, X., Wang, X., Esamdin, A., Pellegrino, C., Burke, J., Stahl, B. E., Zheng, W., Filippenko, A. V., Howell, D. A., Sand, D., Valenti, S., Mo, J., Xi, G., Liu, J., Zhang, J., Li, W., Iskandar, A., Zhang, M., Lin, H., , Sai, H., et al. (2021). SN 2017fgc: A Fast-expanding Type Ia Supernova Exploded in Massive Shell Galaxy NGC 474. \apj, 919(1), 49.
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Proceedings Publications
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