X-ray observations of high-excitation emission-line galaxies with the HEAO 1 scanning modulation collimator
We present data from the scanning modulation collimator on HEAO 1 which firmly establish high-excitation emission-line galaxies as a class of X-ray sources. For NGC 5506 and M82, the X-ray emission (1--13 keV) is shown to originate in the nulcear region of the galaxy; NGC 2992 and NGC 526a are also...
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| Veröffentlicht in: | Astrophys. J., Lett.; (United States) Lett.; (United States), 1979-05, Vol.230, p.L21 |
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| container_title | Astrophys. J., Lett.; (United States) |
| container_volume | 230 |
| creator | Griffiths, R. E. Schwartz, D. A. Schwarz, J. Doxsey, R. E. Johnston, M. D. Blades, J. C. |
| description | We present data from the scanning modulation collimator on HEAO 1 which firmly establish high-excitation emission-line galaxies as a class of X-ray sources. For NGC 5506 and M82, the X-ray emission (1--13 keV) is shown to originate in the nulcear region of the galaxy; NGC 2992 and NGC 526a are also identified as X-ray emitters, but are not resolved. The latter is a new identification for 2A 0120--353, previously associated with the NGC 526/527 group. In these four particular cases, the observed X-ray emitting galaxies have a close companion, and the X-ray emission may have been triggered by a close encounter. |
| doi_str_mv | 10.1086/182954 |
| format | Article |
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In these four particular cases, the observed X-ray emitting galaxies have a close companion, and the X-ray emission may have been triggered by a close encounter.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.1086/182954</identifier><language>eng</language><publisher>United States</publisher><subject>640105 - Astrophysics & Cosmology- Galaxies ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COSMIC RAY SOURCES ; COSMIC X-RAY SOURCES ; ELECTROMAGNETIC RADIATION ; EMISSION SPECTRA ; GALAXIES ; IONIZING RADIATIONS ; LUMINOSITY ; OPTICAL PROPERTIES ; PHYSICAL PROPERTIES ; RADIATIONS ; SEYFERT GALAXIES ; SPECTRA ; X RADIATION ; X-RAY SPECTRA</subject><ispartof>Astrophys. 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In these four particular cases, the observed X-ray emitting galaxies have a close companion, and the X-ray emission may have been triggered by a close encounter.</description><subject>640105 - Astrophysics & Cosmology- Galaxies</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COSMIC RAY SOURCES</subject><subject>COSMIC X-RAY SOURCES</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>EMISSION SPECTRA</subject><subject>GALAXIES</subject><subject>IONIZING RADIATIONS</subject><subject>LUMINOSITY</subject><subject>OPTICAL PROPERTIES</subject><subject>PHYSICAL PROPERTIES</subject><subject>RADIATIONS</subject><subject>SEYFERT GALAXIES</subject><subject>SPECTRA</subject><subject>X RADIATION</subject><subject>X-RAY SPECTRA</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1979</creationdate><recordtype>article</recordtype><recordid>eNotUM1OAyEYJEYTa9VnIB68obCwFI5NU61Jk1406W0DFHbRLRhAbd_erevp-8nMZGYAuCX4gWDBH4moZM3OwITUVCBG69k5mGCMGeJ0tr0EVzm_n85Kygn42KKkjjDqbNO3Kj6GDKODnW87ZA_Gl78ftHuf87Cg3gcLW9Wrg7cZ_vjSwdJZuFrON5DAbFQIPrRwH3df_Ug1se_9XpWYrsGFU322N_9zCt6elq-LFVpvnl8W8zUyROCCpKZK7RgWouJDFiqdpVUtmBPKYa60E1JzWjPJGVczSSqtuVAYV8Q5q4WlU3A36sZcfJOHENZ0JoZgTWlqKTGleADdjyCTYs7JuuYzDTbTsSG4OfXYjD3SX5Q7ZSQ</recordid><startdate>19790515</startdate><enddate>19790515</enddate><creator>Griffiths, R. 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A.</creatorcontrib><creatorcontrib>Schwarz, J.</creatorcontrib><creatorcontrib>Doxsey, R. E.</creatorcontrib><creatorcontrib>Johnston, M. D.</creatorcontrib><creatorcontrib>Blades, J. C.</creatorcontrib><creatorcontrib>Harvard-Smithsonian Center for Astrophysics</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Astrophys. J., Lett.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Griffiths, R. E.</au><au>Schwartz, D. A.</au><au>Schwarz, J.</au><au>Doxsey, R. E.</au><au>Johnston, M. D.</au><au>Blades, J. C.</au><aucorp>Harvard-Smithsonian Center for Astrophysics</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>X-ray observations of high-excitation emission-line galaxies with the HEAO 1 scanning modulation collimator</atitle><jtitle>Astrophys. J., Lett.; (United States)</jtitle><date>1979-05-15</date><risdate>1979</risdate><volume>230</volume><spage>L21</spage><pages>L21-</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We present data from the scanning modulation collimator on HEAO 1 which firmly establish high-excitation emission-line galaxies as a class of X-ray sources. For NGC 5506 and M82, the X-ray emission (1--13 keV) is shown to originate in the nulcear region of the galaxy; NGC 2992 and NGC 526a are also identified as X-ray emitters, but are not resolved. The latter is a new identification for 2A 0120--353, previously associated with the NGC 526/527 group. In these four particular cases, the observed X-ray emitting galaxies have a close companion, and the X-ray emission may have been triggered by a close encounter.</abstract><cop>United States</cop><doi>10.1086/182954</doi></addata></record> |
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| ispartof | Astrophys. J., Lett.; (United States), 1979-05, Vol.230, p.L21 |
| issn | 0004-637X 1538-4357 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_182954 |
| source | Alma/SFX Local Collection |
| subjects | 640105 - Astrophysics & Cosmology- Galaxies CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COSMIC RAY SOURCES COSMIC X-RAY SOURCES ELECTROMAGNETIC RADIATION EMISSION SPECTRA GALAXIES IONIZING RADIATIONS LUMINOSITY OPTICAL PROPERTIES PHYSICAL PROPERTIES RADIATIONS SEYFERT GALAXIES SPECTRA X RADIATION X-RAY SPECTRA |
| title | X-ray observations of high-excitation emission-line galaxies with the HEAO 1 scanning modulation collimator |
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