斯皮策太空望远镜GLIMPSE II遗产巡天探测到的行星状星云
Planetary Nebulae Detected in the Spitzer Space Telescope GLIMPSE II Legacy Survey
摘要：
我们报告的搜索结果的红外对应的37个行星状星云（PN）和PN候选人在斯皮策银河遗产红外中平面调查非凡II（GLIMPSE II）调查。这些PN的测光和图像在3.6，4.5，5.8，8.0，和24妈妈，通过红外线阵列相机（IRAC）和斯皮策（MIPS）的多波段成像光度计，提出。这些星云中的大多数在IRAC波段是非常红色和紧凑的，在24 μ m波段被发现是明亮和扩展的。这些对象的红外线形态进行了比较与Ha图像的麦夸里-AAO-斯特拉斯堡（MASH）和MASH II PN。不同波长的形态差异的影响进行了讨论。IRAC数据允许我们区分PN和HII区域，并且能够从光学目录中拒绝非PN（例如，PNG 352.1-00.0）。光谱能量分布（SED）的构造结合IRAC和MIPS数据与现有的近，中，远红外测光测量。一些物体的反常颜色使我们能够推断芳香族发射带的存在。这些多波长的数据提供了有用的见解的性质，不同的星云成分有助于红外发射的PN。
英文摘要：
We report the result of a search for the infrared counterparts of 37 planetary nebulae (PNs) and PN candidates in the Spitzer Galactic Legacy Infrared Mid-Plane Survey Extraordinaire II (GLIMPSE II) survey. The photometry and images of these PNs at 3.6, 4.5, 5.8, 8.0, and 24mum, taken through the Infrared Array Camera (IRAC) and the Multiband Imaging Photometer for Spitzer (MIPS), are presented. Most of these nebulae are very red and compact in the IRAC bands, and are found to be bright and extended in the 24mum band. The infrared morphology of these objects are compared with Ha images of the Macquarie-AAO-Strasbourg (MASH) and MASH II PNs. The implications for morphological difference in different wavelengths are discussed. The IRAC data allow us to differentiate between PNs and HII regions and be able to reject non-PNs from the optical catalogue (e.g., PNG 352.1-00.0). Spectral energy distributions (SEDs) are constructed by combing the IRAC and MIPS data with existing near-, mid-, and far-IR photometry measurements. The anomalous colors of some objects allow us to infer the presence of aromatic emission bands. These multi-wavelength data provide useful insights into the nature of different nebular components contributing to the infrared emission of PNs.
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