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Optical and Near-IR long-term monitoring of NGC3783 and MR2251-178: evidence for variable near-IR emission from thin accretion discs
Seyfert galaxies:general — Seyfert galaxies:individual(NGC 3783,MR 2251-178)
2011/9/26
We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time. The light curves ...
Infrared Imaging and Optical Imaging and Spectroscopy of (mostly) type I Planetary Nebulae II
Planetary Nebulae II Optical Imaging Spectroscopy Infrared Imaging
2009/6/16
Infrared Imaging and Optical Imaging and Spectroscopy of (mostly) type I Planetary Nebulae II。
Radio Continuum Observations towards Optical and Molecular Outflows
Optical Molecular Outflows
2009/6/11
Radio Continuum Observations towards Optical and Molecular Outflows。
Optical-ir echelle spectroscopy of ngc 6302。
Optical Coordinates of Southern Planetary Nebulae
Southern Planetary Nebulae Optical Coordinates
2009/6/9
Optical Coordinates of Southern Planetary Nebulae。