MDW Hα 巡天观测第 0 版数据

arXiv - PHYS - Solar and Stellar Astrophysics Pub Date : 2024-09-17 DOI:arxiv-2409.11481

Noor AftabAndrew, XunheAndrew, Zhang, David R. Mittelman, Dennis di Cicco, Sean Walker, David H. Sliski, Julia Homa, Colin Holm-Hansen, Mary Putman, David Schiminovich, Arne Henden, Gary Walker

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引用次数: 0

摘要

Mittelman-di Cicco-Walker（MDW）H$\alpha$巡天是一项在窄带H$\alpha$波长上自主运行和持续进行的全天空成像巡天。该巡天是由业余天文学家发起的，在此介绍的是其第一阶段的完善工作，以用于严谨的科学研究。每个视场都通过带宽为3纳米的H$\alpha$滤光片进行曝光，总时间为4小时，像素刻度为3.2角秒。在此，我们将介绍 MDW H$\alpha$ 普查的第一个数据版本（数据版本 0，简称 DR0），涵盖猎户座区域（~3100 deg$^2$）的 238 个天体。DR0包括：校准平均场、移除恒星的平均场、与全景巡天望远镜和快速反应系统（Pan-STARRS1）数据版本1和INT银河系平面巡天（IGAPS）相匹配的点源星表以及马赛克。

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The MDW Hα Sky Survey: Data Release 0

The Mittelman-di Cicco-Walker (MDW) H$\alpha$ Sky Survey is an autonomously-operated and ongoing all-sky imaging survey in the narrowband H$\alpha$ wavelength. The survey was founded by amateur astronomers, and is presented here in its first stage of refinement for rigorous scientific use. Each field is exposed through an H$\alpha$ filter with a 3nm bandwidth for a total of four hours, with a pixel scale of 3.2 arcsec. Here, we introduce the first Data Release of the MDW H$\alpha$ Survey (Data Release 0, or DR0), spanning 238 fields in the region of Orion (~3100 deg$^2$). DR0 includes: calibrated mean fields, star-removed mean fields, a point source catalog matched to Data Release 1 of the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS1) and the INT Galactic Plane Survey (IGAPS), and mosaics.

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arXiv - PHYS - Solar and Stellar Astrophysics

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