共 16 条
- [1] 8-13-MICRON SPECTRA OF NGC-7027, BD+30 DEGREES 3639, AND NGC-6572 ASTROPHYSICAL JOURNAL, 1973, 183 (01): : 87 - 93
- [2] Mid-infrared sub-arcsecond spectroscopy of active galaxy nuclei First Light Science with the GTC, 2007, 29 : 117 - 119
- [4] Abundances of Planetary Nebulae BD+30 3639 and NGC 6543 ASTRONOMY & ASTROPHYSICS, 2003, 406 (01): : 165 - 174
- [5] Mid-infrared observations of planetary nebula BD+30 3639: Evolution and distribution of unidentified IR band carriers ASTROPHYSICAL JOURNAL, 2008, 677 (02): : 1120 - 1131
- [8] Sub-arcsecond near-IR imaging and long-slit spectroscopy of NGC7027 PLANETARY NEBULAE, 1997, (180): : 256 - 256
- [9] An ultraviolet to mid-infrared study of the physical and wind properties of HD 164270 (WC9) and comparison to BD+30 3639 ([WC9]) ASTROPHYSICAL JOURNAL, 2006, 636 (02): : 1033 - 1044
- [10] Abundance anomalies in the X-ray spectra of planetary nebulae NGC 7027 and BD +30°3639 ASTROPHYSICAL JOURNAL, 2003, 589 (01): : 439 - 443