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We present a new database of circumstellar OH masers at 1612, 1665, and 1667 MHz in the Milky Way galaxy. The database (version 2.4) contains 13655 observations and 2341 different stars detected in at least one transition. Detections at…

太阳与恒星天体物理 · 物理学 2015-10-14 D. Engels , F. Bunzel

A new meteor shower $\lambda$-Sculptorids produced by the comet 46P/Wirtanen was forecast for December 12, 2023. The predicted activity was highly uncertain, but generally considered to be low. Observations in Australia, New Zealand, and…

地球与行星天体物理 · 物理学 2024-02-13 D. Vida , J. M. Scott , A. Egal , J. Vaubaillon , Q. -Z. Ye , D. Rollinson , M. Sato , D. E. Moser

Solar energy forecasting has seen tremendous growth in the last decade using historical time series collected from a weather station, such as weather variables wind speed and direction, solar radiance, and temperature. It helps in the…

机器学习 · 计算机科学 2022-05-18 Soham Vyas , Yuvraj Goyal , Neel Bhatt , Sanskar Bhuwania , Hardik Patel , Shakti Mishra , Brijesh Tripathi

Visual observations of meteor showers have been carried out for many decades by astronomers. Modern developments in imaging systems have advanced our knowledge about the shower dynamics and their origin. We have made an attempt to make a…

天体物理仪器与方法 · 物理学 2015-04-28 Chintamani Pai , Ankush Bhaskar , Virendra Yadav , R. D. Tewari , A. M. Narsale

The Subaru-Asahi StarCam is a high-sensitivity live-streaming camera for meteor observation, installed on the dome of the Subaru Telescope at the summit area of Maunakea, Hawai'i. Although it was originally intended to share the Maunakea…

天体物理仪器与方法 · 物理学 2025-08-04 Ichi Tanaka , Masanobu Higashiyama , Masayo Nakajima , Toyokazu Uda , Hitoshi Hasegawa , Mikiya Sato , Jun-ichi Watanabe

Parallaxes, proper motions, and optical photometry are presented for 51 systems made up 37 cool subdwarf and 14 additional high proper motion systems. Thirty-seven systems have parallaxes reported for the first time, 15 of which have proper…

太阳与恒星天体物理 · 物理学 2017-10-25 Wei-Chun Jao , Todd Henry , Jennifer Winters , John Subasavage , Adric Riedel , Michele Silverstein , Phillip Ianna

Effective environmental planning and management to address climate change could be achieved through extensive environmental modeling with machine learning and conventional physical models. In order to develop and improve these models,…

机器学习 · 计算机科学 2021-07-09 Muhammed Sit , Bong-Chul Seo , Ibrahim Demir

We present a new numerical model of the eta-Aquariid and Orionid meteor showers. The model investigates the origin, variability and age of the eta-Aquariid and Orionid apparitions from 1985 to the present day, in order to forecast their…

地球与行星天体物理 · 物理学 2020-10-14 Auriane Egal , Paul Wiegert , Peter G. Brown , Margaret Campbell-Brown , Denis Vida

We present a summary of the major contributions to the Special Session on Data Management held at the IAU General Assembly in Prague in 2006. While recent years have seen enormous improvements in access to astronomical data, and the Virtual…

The $\delta$-Cancrid meteoroid stream forms four active meteor showers which are observable on the Earth annually during January-February and August-September. The stream's definite parent comet has not been established. We performed a…

地球与行星天体物理 · 物理学 2024-10-31 G. I. Kokhirova , M. Zhang , X. -G. Li , A. I. Zhonmuhammadi , X. Liu

The Sunspot Solar Observatory Data Archive (SSODA) stores data acquired with the suite of instruments at the Richard B. Dunn Solar Telescope (DST) from February 2018 to the present. The instrumentation at the DST continues to provide high…

The rate at which meteors pass through Earth's atmosphere has been measured or estimated many times over; existing flux measurements span at least 12 astronomical magnitudes, or roughly five decades in mass. Unfortunately, the common…

地球与行星天体物理 · 物理学 2024-05-14 Althea V. Moorhead , Denis Vida , Peter G. Brown , Margaret D. Campbell-Brown

Solar flares are complicated physical phenomena that are observable in a broad range of the electromagnetic spectrum, from radiowaves to $\gamma$-rays. For a more comprehensive understanding of flares, it is necessary to perform a combined…

太阳与恒星天体物理 · 物理学 2017-08-02 Viacheslav M Sadykov , Alexander G Kosovichev , Vincent Oria , Gelu M Nita

Meteor clusters are typically defined as groups of meteors that appear close together in both space and time. To date, only a handful of such events have been recorded instrumentally and analysed in detail. In many documented cases, thermal…

地球与行星天体物理 · 物理学 2026-04-10 Pavel Koten , David Čapek , Juraj Tóth , Jeremie Vaubaillon , Aisha Ashimbekova , Simon Anghel , Junichi Watanabe , Tomáš Vörös

The $\tau$-Herculids (IAU shower number #61 TAH) is a minor meteor shower associated with comet 73P/Schwassmann-Wachmann 3, a Jupiter-Family comet that disintegrated into several fragments in 1995. As a consequence of the nucleus break-up,…

地球与行星天体物理 · 物理学 2023-06-07 Auriane Egal , Paul A. Wiegert , Peter G. Brown , Denis Vida

A new Air Shower Observatory has been constructed in Buenos Aires during 1999, and commissioned and set in operation in 2000. The observatory consists of an array of four water \v{C}erenkov detectors, enclosing a geometrical area of $\sim$…

天体物理学 · 物理学 2007-05-23 P. Bauleo , C. Bonifazi , A. Filevich , A. Reguera

This study introduces a novel dataset for segmenting flooded areas in satellite images. After reviewing 77 existing benchmarks utilizing satellite imagery, we identified a shortage of suitable datasets for this specific task. To fill this…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Youngsun Jang , Dongyoun Kim , Chulwoo Pack , Kwanghee Won

This document presents the Center for Robot Assisted Search And Rescue - Uncrewed Aerial Systems - Disaster Response Overhead Inspection Dataset (CRASAR-U-DROIDs) for building damage assessment and spatial alignment collected from small…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Thomas Manzini , Priyankari Perali , Raisa Karnik , Robin Murphy

The Pierre Auger Collaboration is exploring the potential of radio-detection techniques to measure the extensive air showers. The main advantage of these setups is the possibility to cover a large area with no atmospheric attenuation and…

天体物理仪器与方法 · 物理学 2019-08-13 K. Louedec

We have estimated the largest meteoroids present in major meteor showers from observations conducted between 2019-2022 by the Geostationary Lightning Mapper (GLM) instrument on the GOES-R satellites. Our integrated time area products for…

地球与行星天体物理 · 物理学 2024-05-10 Kasia Wisniewski , Peter Brown , Danielle Moser , Randy Longenbaugh