UBVr SEQUENCES AND OBSERVATIONS OF OPTICALLY IDENTIFIED RADIO SOURCES
Photoelectric observations of eight optically identified radio sources and comparison stars in nearby fields are presented. Six of these objects have continuous spectra and may belong to the BL Lac class of variables. The reported observations indicate possible short-term, smallamplitude variations...
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| Veröffentlicht in: | Publ. Astron. Soc. Pac., v. 87, no. 515, pp. 123-130 v. 87, no. 515, pp. 123-130, 1975-02, Vol.87 (515), p.123-130 |
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| container_end_page | 130 |
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| container_issue | 515 |
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| container_title | Publ. Astron. Soc. Pac., v. 87, no. 515, pp. 123-130 |
| container_volume | 87 |
| creator | CRAINE, ERIC R. JOHNSON, KEITH TAPIA, S. |
| description | Photoelectric observations of eight optically identified radio sources and comparison stars in nearby fields are presented. Six of these objects have continuous spectra and may belong to the BL Lac class of variables. The reported observations indicate possible short-term, smallamplitude variations in some of the optical counterparts of the radio sources. |
| doi_str_mv | 10.1086/129733 |
| format | Article |
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Astron. Soc. Pac., v. 87, no. 515, pp. 123-130</title><description>Photoelectric observations of eight optically identified radio sources and comparison stars in nearby fields are presented. Six of these objects have continuous spectra and may belong to the BL Lac class of variables. The reported observations indicate possible short-term, smallamplitude variations in some of the optical counterparts of the radio sources.</description><subject>Astronomical magnitude</subject><subject>Astronomical objects</subject><subject>BL Lacertae objects</subject><subject>COSMIC RADIO SOURCES- SPECTROPHOTOMETRY</subject><subject>Finding charts</subject><subject>Histograms</subject><subject>N56300 -Physics (Astrophysics & Cosmology)-Quasi-stellar, Radio & X-Ray Sources</subject><subject>Observational astronomy</subject><subject>Optical observation</subject><subject>Radio sources</subject><subject>Radio stars</subject><subject>Stars</subject><subject>VARIATIONS</subject><issn>0004-6280</issn><issn>1538-3873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1975</creationdate><recordtype>article</recordtype><recordid>eNo90MFPgzAYBfDGaOKc-h-YNB68od_XFsqObHRKQkAHLPFEaFfiFh2GcvG_lwXj6V1-7x0eIbcIjwhh8IRsITk_IzP0eejxUPJzMgMA4QUshEty5dwBADFEmBFVLbc9LdRbpbKVKmiUxTRfFmqzjcokzwqar2n-WiarKE3faRKrrEzWiYrpJoqTnBZ5tRlr1-SibT6dvfnLOanWqly9eGn-fKp6hgEbPB-EFIbz1nIfMGB80WjZSjQ7f6dDjQyFsAsjrWUtGDs6zbS2Fjg2LdfI5-R-2u3csK-d2Q_WfJjueLRmqAVKidwf0cOETN8519u2_u73X03_UyPUp4fq6aER3k3w4Iau_1cCAukHQch_AUu-Woo</recordid><startdate>19750201</startdate><enddate>19750201</enddate><creator>CRAINE, ERIC R.</creator><creator>JOHNSON, KEITH</creator><creator>TAPIA, S.</creator><general>The Astronomical Society of the Pacific</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19750201</creationdate><title>UBVr SEQUENCES AND OBSERVATIONS OF OPTICALLY IDENTIFIED RADIO SOURCES</title><author>CRAINE, ERIC R. ; JOHNSON, KEITH ; TAPIA, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c202t-50474c33fe35016239ab7f71cd5db8b12144e9c7ee2f0ce3feb2bbee031af3b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1975</creationdate><topic>Astronomical magnitude</topic><topic>Astronomical objects</topic><topic>BL Lacertae objects</topic><topic>COSMIC RADIO SOURCES- SPECTROPHOTOMETRY</topic><topic>Finding charts</topic><topic>Histograms</topic><topic>N56300 -Physics (Astrophysics & Cosmology)-Quasi-stellar, Radio & X-Ray Sources</topic><topic>Observational astronomy</topic><topic>Optical observation</topic><topic>Radio sources</topic><topic>Radio stars</topic><topic>Stars</topic><topic>VARIATIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CRAINE, ERIC R.</creatorcontrib><creatorcontrib>JOHNSON, KEITH</creatorcontrib><creatorcontrib>TAPIA, S.</creatorcontrib><creatorcontrib>Univ. of Arizona, Tucson</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Publ. Astron. Soc. Pac., v. 87, no. 515, pp. 123-130</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>CRAINE, ERIC R.</au><au>JOHNSON, KEITH</au><au>TAPIA, S.</au><aucorp>Univ. of Arizona, Tucson</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>UBVr SEQUENCES AND OBSERVATIONS OF OPTICALLY IDENTIFIED RADIO SOURCES</atitle><jtitle>Publ. Astron. Soc. Pac., v. 87, no. 515, pp. 123-130</jtitle><date>1975-02-01</date><risdate>1975</risdate><volume>87</volume><issue>515</issue><spage>123</spage><epage>130</epage><pages>123-130</pages><issn>0004-6280</issn><eissn>1538-3873</eissn><abstract>Photoelectric observations of eight optically identified radio sources and comparison stars in nearby fields are presented. Six of these objects have continuous spectra and may belong to the BL Lac class of variables. The reported observations indicate possible short-term, smallamplitude variations in some of the optical counterparts of the radio sources.</abstract><cop>United States</cop><pub>The Astronomical Society of the Pacific</pub><doi>10.1086/129733</doi><tpages>8</tpages></addata></record> |
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| ispartof | Publ. Astron. Soc. Pac., v. 87, no. 515, pp. 123-130, 1975-02, Vol.87 (515), p.123-130 |
| issn | 0004-6280 1538-3873 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_129733 |
| source | IOP Publishing Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Jstor Complete Legacy; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Astronomical magnitude Astronomical objects BL Lacertae objects COSMIC RADIO SOURCES- SPECTROPHOTOMETRY Finding charts Histograms N56300 -Physics (Astrophysics & Cosmology)-Quasi-stellar, Radio & X-Ray Sources Observational astronomy Optical observation Radio sources Radio stars Stars VARIATIONS |
| title | UBVr SEQUENCES AND OBSERVATIONS OF OPTICALLY IDENTIFIED RADIO SOURCES |
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