共 50 条
- [21] THEORETICAL-MODELS FOR H-II REGIONS .3. THE ABUNDANCE GRADIENT IN M101 ASTROPHYSICAL JOURNAL, 1986, 309 (02): : 544 - 552
- [22] H-PI REGIONS SURROUNDING HIGH GALACTIC LATITUDE O-STARS ASTRONOMICAL JOURNAL, 1982, 87 (02): : 306 - 313
- [23] The behavior of the aromatic features in M101 HII regions: Evidence for dust processing ASTROPHYSICAL JOURNAL, 2008, 682 (01): : 336 - 354
- [25] Deep Narrowband Photometry of the M101 Group: Strong-line Abundances of 720 H ii Regions ASTROPHYSICAL JOURNAL, 2022, 941 (02):
- [27] WOLF-RAYET STARS AND GIANT H-PI REGIONS IN M33 - CASUAL ASSOCIATIONS OR MEANINGFUL RELATIONSHIPS ASTROPHYSICAL JOURNAL, 1981, 249 (02): : 471 - 480
- [30] The composition gradient in M101 revisited .1. H II region spectra and excitation properties ASTROPHYSICAL JOURNAL, 1996, 456 (02): : 504 - 518