Investigation of NGC 7822 (Sh2-171) HII Region Using WHAM Hα Data
Yıl 2023,
, 200 - 214, 30.04.2023
Muhittin Şahan
Öz
In this study, we probe the general properties of nineteen Hα emission line spectra with a 1º field of view from a 4ºx4º region (l=116º.1
Kaynakça
- Blitz, L., Fich, M., & Stark, A. A. (1982). Catalog of Co radial velocities toward galactic H II regions. Astrophysical Journal Supplement Series, 49, 183-206. doi:10.1086/190795
- Coakley, M. M., Roesler, F. L., Reynolds, R. J., & Nossal, S. (1996). Fabry-Perot CCD annular summing spectroscopy: Study and implementation for astronomy applications. Applied Optics, 35, 33. doi:10.1364/AO.35.006479
- Dennison, B., Simonetti, J. H., & Topasna, G. A. (1998). An imaging survey of northern galactic Hα emmission with arcminute resolution. Publications of the Astronomical Society of Australia, 15(1), 147-148. doi:10.1071/AS98147
- Dieter, N. H. (1967). Observations of the hydrogen recombination line 158α in galactic H II regions. Astrophysical Journal, 150, 435. doi:10.1086/149347
- Downes, D., & Wilson, T. L. (1974). Radio recombination lines in the direction of supernova remnants. Astronomy and Astrophysics, 34, 133.
- Ferriere, K. M. (2001). The interstellar environment of our galaxy. Reviews of Modern Physics, 73, 1031 -1066. doi:10.1103/RevModPhys.73.1031
- Fich, M., Treffers, R. R., & Dahl, G. P. (1990). Fabry-Perot H-alpha observations of galactic H II regions. Astronomical Journal, 99(2), 622-637. doi:10.1086/115356
- Gahm, G. F., Wilhelm, M. J. C., Persson, C. M., Djupvik A. A., & Zwart S. F. P. (2022). Expanding shells around young clusters – S 171/Be 59⋆. Astronomy and Astrophysics, 663, (A111)1-26. doi:10.1051/0004-6361/202142927
- Gaia (2022). The Gaia ESA archive. https://gea.esac.esa.int/archive/ Erişim tarihi: 17.05.2022.
- Gaustad, J. E., McCullough, P. R., Rosing, W., & Van Buren, D. (2001). A robotic wide-angle Hα survey of the southern sky. Publications of the Astronomical Society of the Pacific, PASP, 113, 1326-1348. doi:10.1086/323969
- Georgelin, Y. P., & Georgelin, Y. M., (1970). Radial velocities and distances of galactic H II regions, Astronomy and Astrophysics, 6, 349-363.
- Haffner, L. M., Reynolds, R. J., & Tufte, S. L. (1998). Faint large scale H filaments in the Milky Way. The Astrophysical Journal, 501, L83-L87. doi:10.1086/311449
- Haffner, L. M. (1999). The warm ionized medium: Distribution kinematics and physical conditions. (PhD), University of Wisconsin, Physics Department, USA.
- Haffner, L. M., Reynolds, R. J., & Tufte, S. L. (1999). WHAM observations of Hα, [S II], and [N II] toward the orion and perseus arms: Probing the physical conditions of the warm ionized medium. The Astrophysical Journal, 523(1), 223-233. doi:10.1086/307734
- Haffner, L. M. (2001). The Wisconsin H-alpha mapper northern sky survey. ASP Conference Series 231, Fourth Tetons Conference: Galactic Structure, Stars and the Interstellar Medium, San Francisco, CA, USA. doi:10.48550/arXiv.astro-ph/0112232
- Haffner, L. M., Reynolds, R. J., Tufte, S. L., Madsen, G. J., Jaehnig, K. P., Percival, J. W. (2003). The Wisconsin Hα mapper northern sky survey. The Astrophysical Journal Supplement Series, 149(2), 405-422. doi:10.1086/378850
- Haffner, L. M., Dettmar R. J., Beckman, J. E., Wood K., Slavin, J. D., Giammanco, C., Madsen, G. J., Zurita, A., & Reynolds, R. J. (2009). The warm ionized medium in spiral galaxies. Reviews of Modern Physics, 81(3), 969-997. doi:10.1103/RevModPhys.81.969
- Haffner, L. M., Reynolds, R. J., Madsen, G. J., Hill, A. S., Barger, K. A., Jaehnig, K. P., Mierkiewicz, E. J., Percival, J. W., & Chopra, N. (2010). Early results from the Wisconsin H-alpha mapper southern sky survey. "The Dynamic ISM: A celebration of the Canadian Galactic Plane Survey," ASP Conference Series. doi:10.48550/arXiv.1008.0612
- Hoyle, F., & Ellis, G. R. A. (1963). On the Existence of an Ionized Layer about the Galactic Plane. Australian Journal of Physics, 16, 1.
- Lockman, F. J. (1989). A survey of radio H II regions in the northern sky. Astrophysical Journal Supplement Series, 71, 469-479. doi:10.1086/191383
- MacConnell, D J. (1968). Study of the Cepheus IV association. Astrophysical Journal Supplement, 16(147), 275-98. doi:10.1086/190175
- Majaess, D. J., Turner, D. G., Lane, D. J., & Moncrieff, K. E. (2008). The exciting star of the Berkeley 59/Cepheus OB4 complex and other chance variable star discoveries. The Journal of the American Association of Variable Star Observers, 36(1), 90-109. doi:10.48550/arXiv.0801.3749
- Martin, P. G. (1988). Hydrogenic radiative recombination at low temperature and density. Astrophysical Journal Supplement Series, 66, 125-138. doi:10.1086/191249
- Mierkiewicz, E. J., Roesler, F. L., Nossal, S. M., & Reynolds, R. J. (2006). Geocoronal hydrogen studies using Fabry–Perot interferometers, part 1: Instrumentation, observations, and analysis. Journal of Atmospheric and Solar-Terrestrial Physics, 68(13), 1520-1552. doi:10.1016/j.jastp.2005.08.024
- Nossal, S., Mierkiewicz, E. J., Roesler, F. L., Reynolds, R. J., & Haffner, L. M. (2006). Geocoronal hydrogen studies using Fabry-Perot interferometers, part 2: Long-term observations. Journal of Atmospheric and Solar-Terrestrial Physics, 68(13), 1553-1575. doi:10.1016/j.jastp.2005.08.025
- Osterbrock, D. E. (1989). Astrophysics of Gaseous Nebulae and Active Galactic Nuclei. Mill Valley, CA, USA: University Science Books.
- Panwar, N., Pandey, A. K, Samal, M. R., Battinelli, P., Ogura, K., Ojha, D. K., Chen, W. P., & Singh, H. P. (2008). Young cluster Berkeley 59: properties, evolution, and star formation. The Astronomical Journal, 155(1), 44. doi:10.3847/1538-3881/aa9f1b
- Pedlar, A. (1980). Observations of H166-alpha lines from extended low-brightness H II regions. Monthly Notices of the Royal Astronomical Society, 192(2), 179-195. doi:10.1093/mnras/192.2.179
- Reynolds, R. J., Roesler, F. L., & Scherb, F. (1973). Low-Intensity Balmer emissions from the interstellar medium and geocorona. Astrophysical Journal, 179, 651-657. doi:10.1086/151904
- Reynolds, R. J., Roesler, F. L., & Scherb, F. (1974). The intensity distribution of diffuse galactic Hα emission. The Astrophysical Journal, 192, L53-L56. doi:10.1086/181589
- Reynolds, R. J., & Ogden, P. M. (1982). HII regions surrounding high galactic latitude O stars. The Astronomical Journal, 87(2), 306-312. doi:10.1086/113104
- Reynolds, R. J. (1984). Optical emission line studies and the warm ionized component of the local interstellar medium. International Astronomical Union Colloquium, 81, 95-108. doi:10.1017/S0252921100098067
- Reynolds, R. J. (1985). [SII] 6716 in the galactic emission-line background. The Astrophysical Journal, 294, 256-262. doi:10.1086/163294
- Reynolds, R. J. (1988). [SII]/H intensity ratios in faint extended HII regions and the origin of the interstellar emission-line background. The Astrophysical Journal, 333, 341-352. doi:10.1086/166750
- Reynolds, R. J. (1989). The column density and scale height of free electrons in the galactic disk. Astrophysical Journal, 339, L29. doi:10.1086/185412
- Reynolds, R. J., Roesler, F. L., Scherb, F., & Harlander, J. (1990). Fabry-Perot/CCD multi channel spectrometer for the study of warm ionized interstellar gas and extragalactic clouds. Proceedings SPIE 1235, Instrumentation in Astronomy VII, Tucson, AZ, USA. doi:10.1117/12.19124
- Reynolds, R. J. (1992). The optical emission-line background and accompanying emissions at ultraviolet, infrared, and millimeter wavelengths. The Astrophysical Journal, 392, L35-L38.
- Reynolds, R. J. (1992). The warm ionized medium. AIP Conference Proceedings, 278(1), 156-165. doi:10.1063/1.44005
- Reynolds, R. J. (1997). Ionizing the galaxy. Science, 277(5331), 1446-1447. doi:10.1126/science.277.5331.1446
- Rosvick, J. M., & Majaess, D. (2013). Star formation near Berkeley 59: Embedded protostars. The Astronomical Journal, 146(6),142. doi:10.1088/0004-6256/146/6/142
- Strömgren, B. M. (1939). The physical state of interstellar hydrogen. The Astrophysical Journal, 89, 526-547. doi:10.1086/144074
- Sahan, M., & Haffner, L. M. (2016). The ionization structure of sharpless 2-264: Multiwavelength observations of the λ ori HII region. The Astronomical Journal, 151(6), 147. doi:10.3847/0004-6256/151/6/147
- Sahan, M., & Yegingil I. (2017). The eighty six Hα spectra from the orion nebula (M42, Sh2-281) with DEFPOS. Journal of Astrophysics And Astronomy, 38 (67), 1-13. doi:10.1007/s12036-017-9486-1
- Sharpless, S. (1959). A catalogue of H II regions. Astrophysical Journal Supplement, 4, 257-279. doi:10.1086/190049
- Tufte, S. L. (1997). The WHAM spectrometer: Design, performance characteristics and first results. (PhD), University of Wisconsin, Physics Department, USA.
- WHAM-SS. (2022). The WHAM Sky Survey. http://ftp.astro.wisc.edu/wham-site/wham-sky-survey/wham-ss/ Erişim tarihi: 17.05.2022.
- Vacca, W. D., Garmany, C. D., & Shull, J. M. (1996). The Lyman-continuum fluxes and stellar parameters of O and early B-type stars. The Astrophysical Journal, 460, 914-931. doi:doi:10.1086/177020
- Yang, J., & Fukui, Y. (1992). A CO study of Sharpless 171 - Evidence for interaction between the H II region and its neighboring molecular cloud. The Astrophysical Journal, 386(2), 618-626. doi:10.1086/171043
WHAM Hα Verileri Kullanılarak NGC 7822 (Sh2-171) HII Bölgesinin İncelenmesi
Yıl 2023,
, 200 - 214, 30.04.2023
Muhittin Şahan
Öz
Bu çalışmada, Wisconsin H-Alpha Mapper (WHAM) verileri kullanılarak NGC 7822 HII bölgesinin (Sh2-171, W1) 4x4’lik çevresinden (l=116º.10
Kaynakça
- Blitz, L., Fich, M., & Stark, A. A. (1982). Catalog of Co radial velocities toward galactic H II regions. Astrophysical Journal Supplement Series, 49, 183-206. doi:10.1086/190795
- Coakley, M. M., Roesler, F. L., Reynolds, R. J., & Nossal, S. (1996). Fabry-Perot CCD annular summing spectroscopy: Study and implementation for astronomy applications. Applied Optics, 35, 33. doi:10.1364/AO.35.006479
- Dennison, B., Simonetti, J. H., & Topasna, G. A. (1998). An imaging survey of northern galactic Hα emmission with arcminute resolution. Publications of the Astronomical Society of Australia, 15(1), 147-148. doi:10.1071/AS98147
- Dieter, N. H. (1967). Observations of the hydrogen recombination line 158α in galactic H II regions. Astrophysical Journal, 150, 435. doi:10.1086/149347
- Downes, D., & Wilson, T. L. (1974). Radio recombination lines in the direction of supernova remnants. Astronomy and Astrophysics, 34, 133.
- Ferriere, K. M. (2001). The interstellar environment of our galaxy. Reviews of Modern Physics, 73, 1031 -1066. doi:10.1103/RevModPhys.73.1031
- Fich, M., Treffers, R. R., & Dahl, G. P. (1990). Fabry-Perot H-alpha observations of galactic H II regions. Astronomical Journal, 99(2), 622-637. doi:10.1086/115356
- Gahm, G. F., Wilhelm, M. J. C., Persson, C. M., Djupvik A. A., & Zwart S. F. P. (2022). Expanding shells around young clusters – S 171/Be 59⋆. Astronomy and Astrophysics, 663, (A111)1-26. doi:10.1051/0004-6361/202142927
- Gaia (2022). The Gaia ESA archive. https://gea.esac.esa.int/archive/ Erişim tarihi: 17.05.2022.
- Gaustad, J. E., McCullough, P. R., Rosing, W., & Van Buren, D. (2001). A robotic wide-angle Hα survey of the southern sky. Publications of the Astronomical Society of the Pacific, PASP, 113, 1326-1348. doi:10.1086/323969
- Georgelin, Y. P., & Georgelin, Y. M., (1970). Radial velocities and distances of galactic H II regions, Astronomy and Astrophysics, 6, 349-363.
- Haffner, L. M., Reynolds, R. J., & Tufte, S. L. (1998). Faint large scale H filaments in the Milky Way. The Astrophysical Journal, 501, L83-L87. doi:10.1086/311449
- Haffner, L. M. (1999). The warm ionized medium: Distribution kinematics and physical conditions. (PhD), University of Wisconsin, Physics Department, USA.
- Haffner, L. M., Reynolds, R. J., & Tufte, S. L. (1999). WHAM observations of Hα, [S II], and [N II] toward the orion and perseus arms: Probing the physical conditions of the warm ionized medium. The Astrophysical Journal, 523(1), 223-233. doi:10.1086/307734
- Haffner, L. M. (2001). The Wisconsin H-alpha mapper northern sky survey. ASP Conference Series 231, Fourth Tetons Conference: Galactic Structure, Stars and the Interstellar Medium, San Francisco, CA, USA. doi:10.48550/arXiv.astro-ph/0112232
- Haffner, L. M., Reynolds, R. J., Tufte, S. L., Madsen, G. J., Jaehnig, K. P., Percival, J. W. (2003). The Wisconsin Hα mapper northern sky survey. The Astrophysical Journal Supplement Series, 149(2), 405-422. doi:10.1086/378850
- Haffner, L. M., Dettmar R. J., Beckman, J. E., Wood K., Slavin, J. D., Giammanco, C., Madsen, G. J., Zurita, A., & Reynolds, R. J. (2009). The warm ionized medium in spiral galaxies. Reviews of Modern Physics, 81(3), 969-997. doi:10.1103/RevModPhys.81.969
- Haffner, L. M., Reynolds, R. J., Madsen, G. J., Hill, A. S., Barger, K. A., Jaehnig, K. P., Mierkiewicz, E. J., Percival, J. W., & Chopra, N. (2010). Early results from the Wisconsin H-alpha mapper southern sky survey. "The Dynamic ISM: A celebration of the Canadian Galactic Plane Survey," ASP Conference Series. doi:10.48550/arXiv.1008.0612
- Hoyle, F., & Ellis, G. R. A. (1963). On the Existence of an Ionized Layer about the Galactic Plane. Australian Journal of Physics, 16, 1.
- Lockman, F. J. (1989). A survey of radio H II regions in the northern sky. Astrophysical Journal Supplement Series, 71, 469-479. doi:10.1086/191383
- MacConnell, D J. (1968). Study of the Cepheus IV association. Astrophysical Journal Supplement, 16(147), 275-98. doi:10.1086/190175
- Majaess, D. J., Turner, D. G., Lane, D. J., & Moncrieff, K. E. (2008). The exciting star of the Berkeley 59/Cepheus OB4 complex and other chance variable star discoveries. The Journal of the American Association of Variable Star Observers, 36(1), 90-109. doi:10.48550/arXiv.0801.3749
- Martin, P. G. (1988). Hydrogenic radiative recombination at low temperature and density. Astrophysical Journal Supplement Series, 66, 125-138. doi:10.1086/191249
- Mierkiewicz, E. J., Roesler, F. L., Nossal, S. M., & Reynolds, R. J. (2006). Geocoronal hydrogen studies using Fabry–Perot interferometers, part 1: Instrumentation, observations, and analysis. Journal of Atmospheric and Solar-Terrestrial Physics, 68(13), 1520-1552. doi:10.1016/j.jastp.2005.08.024
- Nossal, S., Mierkiewicz, E. J., Roesler, F. L., Reynolds, R. J., & Haffner, L. M. (2006). Geocoronal hydrogen studies using Fabry-Perot interferometers, part 2: Long-term observations. Journal of Atmospheric and Solar-Terrestrial Physics, 68(13), 1553-1575. doi:10.1016/j.jastp.2005.08.025
- Osterbrock, D. E. (1989). Astrophysics of Gaseous Nebulae and Active Galactic Nuclei. Mill Valley, CA, USA: University Science Books.
- Panwar, N., Pandey, A. K, Samal, M. R., Battinelli, P., Ogura, K., Ojha, D. K., Chen, W. P., & Singh, H. P. (2008). Young cluster Berkeley 59: properties, evolution, and star formation. The Astronomical Journal, 155(1), 44. doi:10.3847/1538-3881/aa9f1b
- Pedlar, A. (1980). Observations of H166-alpha lines from extended low-brightness H II regions. Monthly Notices of the Royal Astronomical Society, 192(2), 179-195. doi:10.1093/mnras/192.2.179
- Reynolds, R. J., Roesler, F. L., & Scherb, F. (1973). Low-Intensity Balmer emissions from the interstellar medium and geocorona. Astrophysical Journal, 179, 651-657. doi:10.1086/151904
- Reynolds, R. J., Roesler, F. L., & Scherb, F. (1974). The intensity distribution of diffuse galactic Hα emission. The Astrophysical Journal, 192, L53-L56. doi:10.1086/181589
- Reynolds, R. J., & Ogden, P. M. (1982). HII regions surrounding high galactic latitude O stars. The Astronomical Journal, 87(2), 306-312. doi:10.1086/113104
- Reynolds, R. J. (1984). Optical emission line studies and the warm ionized component of the local interstellar medium. International Astronomical Union Colloquium, 81, 95-108. doi:10.1017/S0252921100098067
- Reynolds, R. J. (1985). [SII] 6716 in the galactic emission-line background. The Astrophysical Journal, 294, 256-262. doi:10.1086/163294
- Reynolds, R. J. (1988). [SII]/H intensity ratios in faint extended HII regions and the origin of the interstellar emission-line background. The Astrophysical Journal, 333, 341-352. doi:10.1086/166750
- Reynolds, R. J. (1989). The column density and scale height of free electrons in the galactic disk. Astrophysical Journal, 339, L29. doi:10.1086/185412
- Reynolds, R. J., Roesler, F. L., Scherb, F., & Harlander, J. (1990). Fabry-Perot/CCD multi channel spectrometer for the study of warm ionized interstellar gas and extragalactic clouds. Proceedings SPIE 1235, Instrumentation in Astronomy VII, Tucson, AZ, USA. doi:10.1117/12.19124
- Reynolds, R. J. (1992). The optical emission-line background and accompanying emissions at ultraviolet, infrared, and millimeter wavelengths. The Astrophysical Journal, 392, L35-L38.
- Reynolds, R. J. (1992). The warm ionized medium. AIP Conference Proceedings, 278(1), 156-165. doi:10.1063/1.44005
- Reynolds, R. J. (1997). Ionizing the galaxy. Science, 277(5331), 1446-1447. doi:10.1126/science.277.5331.1446
- Rosvick, J. M., & Majaess, D. (2013). Star formation near Berkeley 59: Embedded protostars. The Astronomical Journal, 146(6),142. doi:10.1088/0004-6256/146/6/142
- Strömgren, B. M. (1939). The physical state of interstellar hydrogen. The Astrophysical Journal, 89, 526-547. doi:10.1086/144074
- Sahan, M., & Haffner, L. M. (2016). The ionization structure of sharpless 2-264: Multiwavelength observations of the λ ori HII region. The Astronomical Journal, 151(6), 147. doi:10.3847/0004-6256/151/6/147
- Sahan, M., & Yegingil I. (2017). The eighty six Hα spectra from the orion nebula (M42, Sh2-281) with DEFPOS. Journal of Astrophysics And Astronomy, 38 (67), 1-13. doi:10.1007/s12036-017-9486-1
- Sharpless, S. (1959). A catalogue of H II regions. Astrophysical Journal Supplement, 4, 257-279. doi:10.1086/190049
- Tufte, S. L. (1997). The WHAM spectrometer: Design, performance characteristics and first results. (PhD), University of Wisconsin, Physics Department, USA.
- WHAM-SS. (2022). The WHAM Sky Survey. http://ftp.astro.wisc.edu/wham-site/wham-sky-survey/wham-ss/ Erişim tarihi: 17.05.2022.
- Vacca, W. D., Garmany, C. D., & Shull, J. M. (1996). The Lyman-continuum fluxes and stellar parameters of O and early B-type stars. The Astrophysical Journal, 460, 914-931. doi:doi:10.1086/177020
- Yang, J., & Fukui, Y. (1992). A CO study of Sharpless 171 - Evidence for interaction between the H II region and its neighboring molecular cloud. The Astrophysical Journal, 386(2), 618-626. doi:10.1086/171043