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Revista mexicana de astronomía y astrofísica
versão impressa ISSN 0185-1101
Rev. mex. astron. astrofis vol.41 no.2 Ciudad de México Out. 2005
Fabry-Perot observations of HH 1/21
A. Riera,2,3 A. C. Raga,4 B. Reipurth,5 Ph. Amram,6 J. Boulesteix,6 and O. Toledano7
2 Departament de Física i Enginyeria Nuclear, Universitat Politecnica de Catalunya, Av. Víctor Balaguer s/n, E-08800 Vilanova i la Geltrú, Spain (angels.riera@upc.edu).
3 Departament d'Astronomia i Meteorologia. Universitat de Barcelona, Spain.
4 Instituto de Ciencias Nucleares, UNAM, Apdo. Postal 70-543, 04510 México, D. F., México (raga@nucleares.unam.mx).
5 Institute for Astronomy, University of Hawaii, 640 N. Aohoku Place, Hilo, HI 96720, USA (reipurth@ifa.hawaii.edu).
6 Laboratoire d'Astrophysique de Marseille, 2 Place Le Verrier, 13248 Marseille, France (Philippe.Amram@oamp.fr, jacques.boulesteix@oamp.fr).
7 Instituto de Astronomía, UNAM, Apdo. Postal 70-264, 04510 México, D. F., México.
Received, 2004 December 15
Accepted 2005 April 1
RESUMEN
Presentamos nuevas observaciones Fabry-Perot del sistema HH1/2 en la línea de Hα. Se han obtenidos los perfiles de las líneas, y los mapas de velocidad radial y de dispersión de velocidades a partir de los canales de velocidad de los objetos HH 1 y HH 2. La distribución espacial de la velocidad radial de ambos objetos (HH 1, HH 2) presenta material desplazado al rojo hacia la fuente, y material desplazado al azul alejándose de la fuente. Un modelo que contempla la presencia de emisión directa+dispersada con tres condensaciones emisoras reproduce cualitativamente la distribución espacial de la velocidad radial y de la dispersión de velocidades de HH 2.
ABSTRACT
We present new Hα Fabry-Perot observations of the HH 1/2 system. Line profiles, barycenter radial velocity maps and dispersion maps are derived from the channel maps of HH 1 and HH 2. The radial velocity barycenter maps of both HH 1 and HH 2 show a general trend of "red-shifted upstream/blue-shifted downstream" pattern. A "direct+scattered" component model for three emitting condensations is qualitatively successful at reproducing the general features of the barycenter and the velocity dispersion of HH 2.
Key Words: ISM: Herbig-Haro objects ISM: Individual (HH 1, HH 2) ISM: Jets and outflows ISM: Kinematics and dynamics.
DESCARGAR ARTÍCULO EN FORMATO PDF
ACKNOWLEDGMENTS
We acknowledge an anonymous referee for her/his helpful comments. The work of ACR was supported by the CONACyT grants 36572-E and 41320 and the DGAPA (UNAM) grant IN 112602. The work of AR was supported by a grant from the Spanish Ministry of Science and Technology (AYA 2002-00205).
REFERENCES
Amram, P., Mendes de Oliveira, C., Boulesteix, J., & Balkowski C. 1998, A&A, 330, 881 [ Links ]
Bally, J., Heathcote, S., Reipurth, B., Morse, J., Hartigan, P., & Schwartz, R. D. 2002, AJ, 123, 2627 [ Links ]
Böhm, K. H., BOhrke, Th., Raga, A. C., Brugel, E. W.,< Witt, A. N., & Mundt, R. 1987, ApJ, 316, 349 [ Links ]
Böhm, K. H., Noriega-Crespo, A., & Solf, J. 1993, ApJ, 416, 647 [ Links ]
Böhm, K. H., & Solf, J. 1985, ApJ, 294, 533 [ Links ]
----------. 1992, AJ, 104, 1193 [ Links ]
Brugel, E. W., Bohm, K. H., & Mannery, E. 1981, ApJS 47, 117 [ Links ]
Calvet, N., Cantó, J., Binette, L., & Raga, A. C. 1992, RevMexAA, 24, 81 [ Links ]
Choe, S. U., Bohm, K. H., & Solf, J. 1985, ApJ, 288, 338 [ Links ]
Eislöffel, J., Mundt, R., & Bohm, K. H. 1994, AJ, 108, 1042 [ Links ]
Girart, J. M., Viti, S., Williams, D. A., Estalella, R., & Ho, P. T. P. 2002, A&A, 388, 1004 [ Links ]
Haro, G. 1952, ApJ, 115, 572 [ Links ]
Hartigan, P., Raymond, J. C., & Hartmann, L. W. 1987, ApJ, 316, 323 [ Links ]
Hartmann, L. W., & Raymond, J. C. 1984, ApJ, 276, 560 [ Links ]
Henney, W. J. 1994, ApJ, 427, 288 [ Links ]
----------. 1996, RevMexAA, 32, 3 [ Links ]
Henney, W. J., & Axon, D. J. 1995, ApJ, 454, 233 [ Links ]
Henney, W. J., Raga, A. C., & Axon, D. J. 1994, ApJ, 427, 305 [ Links ]
Herbig, G. H. 1951, ApJ, 113, 697 [ Links ]
----------. 1973, IBVS, 832, 1 [ Links ]
Herbig, G. H., & Jones, B. F. 1981, AJ, 86, 1232 [ Links ]
Hester, J. J., Stapelfeldt, K. R., & Scowen, P. A. 1998, ApJ, 116, 372 [ Links ]
Laval. A., Boulesteix, J., Georgelin, Y. P., Georgelin, Y. M., & Marcelin, M. 1987, A&A, 175, 199 [ Links ]
Noriega-Crespo, A., Calvet, N., & Boohm, K. H. 1991, ApJ, 379, 676 [ Links ]
Noriega-Crespo, A., Garnavich, P. M., Curiel, S., Raga, A. C., & Ayala, S. 1997, ApJ, 486, L55 [ Links ]
Pravdo, S. H., Rodríguez, L. F., Curiel, S., Canto, J., Torrelles, J. M., Becker, R. H., & Sellgren, K. 1985, ApJ, 293, L35 [ Links ]
Pravdo, S. H., Feigelson, E. D., Garmire, G., Maeda, Y., Tsuboi, Y., & Bally, J. 2001, Nature, 413, 708 [ Links ]
Raga, A. C., Barnes, P. J., & Mateo, M. 1990, AJ, 99, 1912 [ Links ]
Raga, A. C., & Boohm, K. H. 1985, ApJS, 58, 201 [ Links ]
----------. 1987, ApJ, 323, 193 [ Links ]
Raga, A. C., Mateo, M., Bohm, K. H., & Solf, J. 1988, AJ, 95, 1783 [ Links ]
Raymond, J. C., Hartmann, L. W., & Hartigan, P. 1988, ApJ, 326, 323 [ Links ]
Reipurth, B., Heathcote, S., Yu, K. C., Bally, J., Rodróíguez, L. F. 2000, ApJ, 534, 317 [ Links ]
Rodríguez, L. F., Delgado-Arellano, V. G., Gómez, Y., et al. 2000, AJ, 119, 882 [ Links ]
Schwartz, R. D., Cohen, M., Jones, B. F., et al. 1993, AJ, 106, 740 [ Links ]
Solf, J., Boohm, K. H., & Raga, A. C. 1988, ApJ, 334, 229 [ Links ]
Solf, J., Raga, A. C., Boohm, K. H., & Noriega-Crespo, A. 1991, AJ, 102, 1147 [ Links ]
Strom, S. E., Strom, K. M. Grasdalen, G. L., et al. 1985, AJ, 90, 2281 [ Links ]
Torrelles, J. M., Rodríguez, L. F., Cantó, J., Anglada, G., Gómez, J. F., Curiel, S., & Ho, P. T. P. 1992, ApJ, 396, 95 [ Links ]
1 Based on observations collected at the European Southern Observatory, La Silla, Chile.