NGC 6946 - a challenging galaxy for summer skiesMoore, StewartJournal of the British Astronomical Association
NGC 6946 拍摄详情 日期: 2021年8月9日 帧数: 88×50″(1h 13′ 20″) 累计曝光: 1h 13′ 20″ Avg. Moon age: 0.93 days Avg. Moon phase: 0.97% 赤经中心:20h34m34s.704 赤纬中心:+60°12′21″.81 像素分辨率:0.834 角秒/像素 方位:-20.851 度 ...
内容提示: Draft version July 12, 2023Typeset using L A T E X twocolumn style in AASTeX631Spatially-Resolved Recent Star Formation History in NGC 6946Debby Tran, 1 Benjamin Williams, 1 Emily Levesque, 1 Margaret Lazzarini, 2 Julianne Dalcanton, 3Andrew Dolphin, 4,5 Brad Koplitz, 6 Adam ...
A magnitude 13.7 spiral galaxy (type SB(r)ab?) in Aquila (RA 20 22 21.6, Dec +06 25 47) Historical Identification: Per Dreyer, NGC 6901 (= GC 5955, Marth #409, 1860 RA 20 14 22, NPD 83 59) is "extremely faint". Physical Information: Based on a recessional velocity of 4760 ...
A Robust Tip of the Red Giant Branch Distance to the Fireworks Galaxy (NGC 6946) Archival HST data taken in F606W+F814W of two different fields in the outer regions of NGC 6946 is used to measure a tip of the red giant branch (TRGB) dis... GS Anand,R Luca,TR Brent - 《Astronomi...
Supernova (SN) 2004et is the eighth historical SN in the nearby spiral galaxy NGC 6946. Here we report on early photometric and spectroscopic monitoring of this object. SN 2004et is a Type II event, exhibiting a plateau in its light curves, but its spectral and color evolution appear to ...
EricCCD
NGC 6946 The Fireworks GalaxyLeonardo
A globular cluster ~15 Myr old that contains ~5脳10Mof stars inside an ~11 pc radius has been found in the nearby spiral galaxy NGC 6946, surrounded by clouds of dust and smaller young clusters, inside a giant circular bubble 300 pc in radius. At the edge of the bubble is an arc ...