Photometry of Nova Cephei 1971
Journal Article
·
· Astron. Astrophys., Suppl. Ser., v. 11, no. 3, pp. 347-363
OSTI ID:4385631
The preliminary light-curve in the UBV-system, constructed in the form m(log t), shows three linear parts differing from each other in the raie of decline. Small light variations during the slow eanly decline and oscillations up to 1 mag in the transition stage have been observed. The date of maximum, July 6, 1971 has been stated with a maximum brightness V/sub max/ = B/sub max/U/ sub max/ approx equal 7.0 mag. The nova is classified as a fast one according to the derived parameters log t/sub 2/ and log t/sub 3/, giving M/sub max/(B) = - 8.0 mag and M/sub max/(V) = --7.7 mag. The photometric distance of the nova, r = 3.8 kpc, could be estimated. A 17 mag-star with irregular variations between 16.6 and 18.1 mag has been identified as the pre-nova. (auth)
- Research Organization:
- Hamburg Observatory
- NSA Number:
- NSA-29-005771
- OSTI ID:
- 4385631
- Journal Information:
- Astron. Astrophys., Suppl. Ser., v. 11, no. 3, pp. 347-363, Journal Name: Astron. Astrophys., Suppl. Ser., v. 11, no. 3, pp. 347-363; ISSN AAESB
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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