TY - JOUR AU - Gómez De Castro, Ana Inés AU - Eiroa, C. PY - 1991 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/57571 T2 - Astronomy & Astrophysics AB - CCD images and near-IR observations of the nebular objects GGD 30 and GGD 31 are presented. The data have been used to study the morphology and physical nature of the nebulosities. GGD 30 is a reflection nebula illuminated by a low mass PMS star of... LA - eng M2 - 589 PB - EDP Sciencies KW - Herbig-Haro objects KW - H II regions KW - Stars KW - Infrared radiation KW - Interstellar medium KW - Reflection nebulae KW - GGD -30 KW - GGD -31 KW - Pre-main-sequence TI - An optical and infrared study of the reflection nebulae GGD-30 and GGD-31 TY - journal article VL - 241 ER -