The puzzling object Henize 2-442

Details The puzzling object Henize 2-442 The puzzling object Henize 2-442

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..511a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, July 1985, p. 511-516) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, July-Aug

Astronomy and Astrophysics

Astronomy

Astronomical Photometry, Astronomical Spectroscopy, Peculiar Stars, Radiation Sources, B Stars, Celestial Sphere, H Alpha Line, Infrared Photometry, Planetary Nebulae, Spectrum Analysis

Scientific paper

Additional spectroscopy and photometry of the peculiar objects He 2-442A, B was carried out in 1984. The strong H-alpha emission line in He 2-442B disappears when the spectrograph slit is rotated from PA 90 to 145 deg. This object might be a type B4 field star having nothing to do with the emission-line spectrum observed beyond He 2-442A. Infrared photometry of He 2-442A yields K = 7.00m, L = 4.25m, M = 3.45m, N = 1.36m; for He 2-442B there is no detectable signal (K not less than 9m).

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