2002MNRAS.331..394P

Query : 2002MNRAS.331..394P

2002MNRAS.331..394P - Mon. Not. R. Astron. Soc., 331, 394-398 (2002/April-1)

Quarter-turn spirals just beyond the principal arms of galaxies.

POLYACHENKO E.V.

Abstract (from CDS):

Observations in the optical show that grand design spirals consist of a set of principal arms and characteristic near-circular extensions that can be described as quarter-turn spirals. Arguments are presented in favour of the idea that the latter set of spirals is merely caused by the response of the material of the disc to the gravitational potential of the main spiral arms.

Abstract Copyright: 2002 Blackwell Science Ltd

Journal keyword(s): galaxies: spiral - galaxies: structure

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 157 Sy2 00 34 46.7879913696 -08 23 47.273597952   11.0   10.03 10.7 ~ 366 1
2 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
3 NGC 2997 GiG 09 45 38.7542237472 -31 11 27.345810192   9.97 9.41 8.84 9.9 ~ 454 1
4 NGC 3631 AG? 11 21 02.8871865144 +53 10 10.415331660   11.0       ~ 385 1
5 NGC 5247 EmG 13 38 03.0183262176 -17 53 02.645511252   10.77   9.96 10.5 ~ 228 0

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