A. Altamore, Istituto Osservatorio Astronomico Universita' di Roma; R. Viotti, Laboratorio di Astrofisica Spaziale, Frascati; and G. B. Baratta, Osservatorio Astronomico di Roma, telex: "Nova Cyg 1978 was observed on Sept. 12.0 and 14.0 UT with the Schmidt telescope of the Rome Astronomical Observatory at Campo Imperatore. Several objective-prism spectrograms were obtained on IIa-O and I-N emulsions. The Sept. 12 spectrograms are overexposed, and only a few features are detectable: Balmer H10 and H11 in emission, Ca II 3933 A, 3968 A and a strong structure at 3920 A (probably Mg I 3838 A) in absorption. The Sept. 14 spectrum shows broad Balmer emission lines from H-alpha to H11. Fe II blends (4450-4620, 4210-4310, 4140-4190 A) are strong in emission. In absorption there are present: Ca II 3933 A, 3968 A with a violet shift of about 15 A; Ca I 4227 A and the probable Mg I 3838 A. The ultraviolet continuum is strong."

Altamore, A., Viotti, R., Baratta, G.B. (1978). Nova Cygni 1978. CIRCULAR - CENTRAL BUREAU FOR ASTRONOMICAL TELEGRAMS, INTERNATIONAL ASTRONOMICAL UNION, 3270(3270).

Nova Cygni 1978

ALTAMORE, Aldo;
1978-01-01

Abstract

A. Altamore, Istituto Osservatorio Astronomico Universita' di Roma; R. Viotti, Laboratorio di Astrofisica Spaziale, Frascati; and G. B. Baratta, Osservatorio Astronomico di Roma, telex: "Nova Cyg 1978 was observed on Sept. 12.0 and 14.0 UT with the Schmidt telescope of the Rome Astronomical Observatory at Campo Imperatore. Several objective-prism spectrograms were obtained on IIa-O and I-N emulsions. The Sept. 12 spectrograms are overexposed, and only a few features are detectable: Balmer H10 and H11 in emission, Ca II 3933 A, 3968 A and a strong structure at 3920 A (probably Mg I 3838 A) in absorption. The Sept. 14 spectrum shows broad Balmer emission lines from H-alpha to H11. Fe II blends (4450-4620, 4210-4310, 4140-4190 A) are strong in emission. In absorption there are present: Ca II 3933 A, 3968 A with a violet shift of about 15 A; Ca I 4227 A and the probable Mg I 3838 A. The ultraviolet continuum is strong."
1978
Altamore, A., Viotti, R., Baratta, G.B. (1978). Nova Cygni 1978. CIRCULAR - CENTRAL BUREAU FOR ASTRONOMICAL TELEGRAMS, INTERNATIONAL ASTRONOMICAL UNION, 3270(3270).
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/136608
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact