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Relevant bibliographies by topics / COMET-22

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Academic literature on the topic 'COMET-22'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "COMET-22"

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Aravind, K., Shashikiran Ganesh, Kumar Venkataramani, et al. "Activity of the first interstellar comet 2I/Borisov around perihelion: results from Indian observatories." Monthly Notices of the Royal Astronomical Society 502, no. 3 (2021): 3491–99. http://dx.doi.org/10.1093/mnras/stab084.

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ABSTRACT Comet 2I/Borisov is the first true interstellar comet discovered. Here, we present results from observational programs at two Indian observatories, 2 m Himalayan Chandra Telescope at the Indian Astronomical Observatory, Hanle (HCT) and 1.2 m telescope at the Mount Abu Infrared Observatory (MIRO). Two epochs of imaging and spectroscopy were carried out at the HCT and three epochs of imaging at MIRO. We found CN to be the dominant molecular emission on both epochs, 2019 November 30 and December 22, at distances of rH = 2.013 and 2.031 au, respectively. The comet was inferred to be relat

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Shinnaka, Yoshiharu, Hideyo Kawakita, Hitomi Kobayashi, Reiko Furusho, and Jun-ichi Watanabe. "Optical Imaging Polarimetry of Comet 21P/Giacobini–Zinner during Its 2018 Apparition." Planetary Science Journal 4, no. 7 (2023): 125. http://dx.doi.org/10.3847/psj/acdf49.

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Abstract We conducted polarimetric observations of comet 21P/Giacobini–Zinner in the optical wavelength region using the polarimetric imager PICO equipped with the 50 cm telescope for Public Outreach at the Mitaka Campus of the National Astronomical Observatory of Japan on UT 2018 September 16, at a solar phase angle of 77° for the comet. We used Gunn’s i′-band filter to cover the wavelength region where sunlight reflected by dust grains dominates cometary spectra. The intensity map of comet 21P/Giacobini–Zinner showed an elongated coma structure along the east–west direction. The linear polar

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Miller, F. D. "Properties of a compact side-ray system - Comet 1957V, 22 August 1957." Astronomical Journal 95 (February 1988): 553. http://dx.doi.org/10.1086/114655.

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de Pater, Imke, J. R. Forster, Melvyn Wright, et al. "BIMA and VLA Observations of Comet Hale-Bopp at 22–115 GHz." Astronomical Journal 116, no. 2 (1998): 987–96. http://dx.doi.org/10.1086/300470.

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Matlovič, Pavol, Leonard Kornoš, Martina Kováčová, Juraj Tóth, and Javier Licandro. "Characterization of the June epsilon Ophiuchids meteoroid stream and the comet 300P/Catalina." Astronomy & Astrophysics 636 (April 2020): A122. http://dx.doi.org/10.1051/0004-6361/202037727.

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Aims. Prior to 2019, the June epsilon Ophiuchids (JEO) were known as a minor unconfirmed meteor shower with activity that was considered typically moderate for bright fireballs. An unexpected bout of enhanced activity was observed in June 2019, which even raised the possibility that it was linked to the impact of the small asteroid 2019 MO near Puerto Rico. Early reports also point out the similarity of the shower to the orbit of the comet 300P/Catalina. We aim to analyze the orbits, emission spectra, and material strengths of JEO meteoroids to provide a characterization of this stream, identi

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Oldroyd, William J., Colin Orion Chandler, Chadwick A. Trujillo, et al. "Comet-like Activity Discovered on Quasi-Hilda Asteroid 2009 DQ118." Research Notes of the AAS 7, no. 3 (2023): 42. http://dx.doi.org/10.3847/2515-5172/acc17c.

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Abstract We report evidence of comet-like activity on asteroid 2009 DQ118, a quasi-Hilda object near the 3:2 interior mean-motion resonance with Jupiter. This discovery was made by volunteers as part of the Active Asteroids Citizen Science project, a NASA Partner hosted on the Zooniverse platform. Follow-up archival searches yielded over 20 images of 2009 DQ118 exhibiting a comet-like tail on UT 2016 March 8 and 9 acquired with the Dark Energy Camera on the Blanco 4 m telescope at the Cerro Tololo Inter-American Observatory, Chile. These images were taken when 2009 DQ118 was near its 2016 peri

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Geem, Jooyeon, Masateru Ishiguro, Yoonsoo P. Bach, et al. "A polarimetric study of asteroids in comet-like orbits." Astronomy & Astrophysics 658 (February 2022): A158. http://dx.doi.org/10.1051/0004-6361/202142014.

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Context. Asteroids in comet-like orbits (ACOs) consist of asteroids and dormant comets. Due to their similar appearance, it is challenging to distinguish dormant comets from ACOs via general telescopic observations. Surveys for discriminating dormant comets from the ACO population have been conducted via spectroscopy or optical and mid-infrared photometry. However, they have not been conducted through polarimetry. Aims. We conducted the first polarimetric research of ACOs. Methods. We conducted a linear polarimetric pilot survey for three ACOs: (944) Hidalgo, (3552) Don Quixote, and (331471) 1

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Han, K. C., W. C. Wong, and Iris F. F. Benzie. "Genoprotective effects of green tea (Camellia sinensis) in human subjects: results of a controlled supplementation trial." British Journal of Nutrition 105, no. 2 (2010): 171–79. http://dx.doi.org/10.1017/s0007114510003211.

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Green tea is rich in polyphenolic antioxidants and has widely reported but largely unsubstantiated health benefits. In the present study, genoprotective effects of two types of green tea were studied both in an in vitro and in a human supplementation trial. For the in vitro study, human lymphocytes were pre-incubated in tea (0·005–0·1 %, w/v), washed and subjected to oxidant challenge induced by H2O2. In a placebo-controlled, cross-over supplementation study, eighteen healthy volunteers took 2 × 150 ml/d of 1 % (w/v) green tea (‘Longjing’ green tea or ‘screw-shaped’ green tea) or water (contro

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Iwamoto, Naoko, Miyako Nara, Shin-ichiro Horiguchi, and Tomoyuki Aruga. "Surgical upstaging rates in patients meeting the eligibility for active surveillance trials." Japanese Journal of Clinical Oncology 51, no. 8 (2021): 1219–24. http://dx.doi.org/10.1093/jjco/hyab082.

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Abstract Purpose Four clinical active surveillance trials including LORIS, COMET, LORD and LORETTA, are being conducted to assess whether women with low-risk ductal carcinoma in situ can safely avoid surgery. The present study aimed to determine the rate of upstaging to invasive cancer among patients with a preoperative diagnosis of ductal carcinoma in situ and to evaluate the incidence of upstaging in patients meeting the eligibility criteria for four active surveillance clinical trials. Methods The present study initially enrolled 180 patients with 183 calcifications who received the diagnos

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Maha Tareq Hussein, Abdulsahib Kadhim Ali, and Amel Jabbar Mutta. "HPRT gene mutation, sister chromatid exchange and comet assay in peripheral lymphocytes of radiation laborers at Al-Amal Cancer Hospital in Baghdad." International Journal of Biological and Pharmaceutical Sciences Archive 3, no. 1 (2022): 001–7. http://dx.doi.org/10.53771/ijbpsa.2022.3.1.0102.

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A Study performed on 30 Iraqi radiation Labors had been exposed tо a low dose tо ionizing radiation at Al-Amal Cancer Hospital in Baghdad the use of three genetic endpoints. Covered 12 females and 18 males between the aged tо (22-57) years. In addition to 20 Healthy individuals from the population, dwelling Baghdad, covered, 7 females and 13 males, aged (19 - 55) years which are non-smokers, non- alcoholic. The cytogenetic analysis, including, HPRT gene mutation¸ comet assay and SCE have been carried out on peripheral blood lymphocytes of labors and control groups. The HPRT gene mutation assay

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Books on the topic "COMET-22"

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Hunter, McCrea William, Turner G. 1936-, Pillinger C. T, and Royal Society (Great Britain), eds. Diffuse matter in the solar system: Comet Halley and other studies : proceedings of a Royal Society discussion meeting held on 21 and 22 May 1986. The Society, 1987.

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The study of the physics of cometary nuclei: Semiannual progress reports nos. 22-23-24 for the period 1 April 1985 through 30 September 1986. Smithsonian Institution, Astrophysical Laboratory, 1987.

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Book chapters on the topic "COMET-22"

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"Wednesday, September 8th, 1819." In The Theological Comet, The London Alfred, The Democratic Recorder, The White Hat & The Radical Magazine. Routledge, 2020. http://dx.doi.org/10.4324/9780429350160-22.

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Conference papers on the topic "COMET-22"

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Guo, Luanzheng, Rizwan A. Ashraf, Ryan D. Friese, and Gokcen Kestor. "Towards Supporting Semiring in MLIR-Based COMET Compiler." In PACT '22: International Conference on Parallel Architectures and Compilation Techniques. ACM, 2022. http://dx.doi.org/10.1145/3559009.3569683.

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McDonald, Andrew, Pang-Ning Tan, and Lifeng Luo. "COMET Flows: Towards Generative Modeling of Multivariate Extremes and Tail Dependence." In Thirty-First International Joint Conference on Artificial Intelligence {IJCAI-22}. International Joint Conferences on Artificial Intelligence Organization, 2022. http://dx.doi.org/10.24963/ijcai.2022/462.

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Normalizing flows—a popular class of deep generative models—often fail to represent extreme phenomena observed in real-world processes. In particular, existing normalizing flow architectures struggle to model multivariate extremes, characterized by heavy-tailed marginal distributions and asymmetric tail dependence among variables. In light of this shortcoming, we propose COMET (COpula Multivariate ExTreme) Flows, which decompose the process of modeling a joint distribution into two parts: (i) modeling its marginal distributions, and (ii) modeling its copula distribution. COMET Flows capture he

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Wu, Hsin-Ta, Mark D. M. Leiserson, Fabio Vandin, and Benjamin J. Raphael. "Abstract 1936: CoMEt: A statistical approach to identify combinations of mutually exclusive alterations in cancer." In Proceedings: AACR 106th Annual Meeting 2015; April 18-22, 2015; Philadelphia, PA. American Association for Cancer Research, 2015. http://dx.doi.org/10.1158/1538-7445.am2015-1936.

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Milano, Gerard, Jocelyn Gal, Patrick Brest, et al. "Abstract 4291: VEGFA and VEGFR2 SNPs identify a subgroup of breast cancer patients with favorable outcome under Bevacizumab-based therapy - A message from COMET, a French Unicancer multicentric study." In Proceedings: AACR Annual Meeting 2020; April 27-28, 2020 and June 22-24, 2020; Philadelphia, PA. American Association for Cancer Research, 2020. http://dx.doi.org/10.1158/1538-7445.am2020-4291.

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Pierga, Jean-Yves, Amanda Silveira, Elodie Girard, et al. "Abstract 3390: Predictive and prognostic value of circulating tumor DNA (ctDNA) compared to circulating tumor cells (CTC) in a prospective cohort of metastatic breast cancer patients: The UCBG COMET trial." In Proceedings: AACR Annual Meeting 2020; April 27-28, 2020 and June 22-24, 2020; Philadelphia, PA. American Association for Cancer Research, 2020. http://dx.doi.org/10.1158/1538-7445.am2020-3390.

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