Three new BL Lacertae objects in the Palomar-Green Survey

Thomas A. Fleming, Richard F. Green, Buell Tomasson Jannuzi, James Liebert, Paul S. Smith, Henner Fink

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

We have identified three BL Lacertae objects in the Palomar-Green Survey which were previously misclassified as DC white dwarfs, namely PG 1246 + 586, PG 1424 + 240, and PG 1437 + 398. Our reclassification is based on the detection of these objects as x-ray sources in the ROSAT all-sky survey and upon our subsequent detection of intrinsic linearly polarized and variable optical emission from these sources. As a result of the ROSAT survey, the number of identified BL Lac objects in the Palomar-Green catalog of UV excess objects has been doubled. Corrected optical positions are presented for PG 1246 + 586 and PG 1437 + 398.

Original languageEnglish (US)
Pages (from-to)1729-1733
Number of pages5
JournalAstronomical Journal
Volume106
Issue number5
StatePublished - Nov 1993
Externally publishedYes

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BL Lacertae objects
x ray sources
catalogs
light emission
direct current
detection

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Fleming, T. A., Green, R. F., Jannuzi, B. T., Liebert, J., Smith, P. S., & Fink, H. (1993). Three new BL Lacertae objects in the Palomar-Green Survey. Astronomical Journal, 106(5), 1729-1733.

Three new BL Lacertae objects in the Palomar-Green Survey. / Fleming, Thomas A.; Green, Richard F.; Jannuzi, Buell Tomasson; Liebert, James; Smith, Paul S.; Fink, Henner.

In: Astronomical Journal, Vol. 106, No. 5, 11.1993, p. 1729-1733.

Research output: Contribution to journalArticle

Fleming, TA, Green, RF, Jannuzi, BT, Liebert, J, Smith, PS & Fink, H 1993, 'Three new BL Lacertae objects in the Palomar-Green Survey', Astronomical Journal, vol. 106, no. 5, pp. 1729-1733.
Fleming TA, Green RF, Jannuzi BT, Liebert J, Smith PS, Fink H. Three new BL Lacertae objects in the Palomar-Green Survey. Astronomical Journal. 1993 Nov;106(5):1729-1733.
Fleming, Thomas A. ; Green, Richard F. ; Jannuzi, Buell Tomasson ; Liebert, James ; Smith, Paul S. ; Fink, Henner. / Three new BL Lacertae objects in the Palomar-Green Survey. In: Astronomical Journal. 1993 ; Vol. 106, No. 5. pp. 1729-1733.
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