1994A&A...290L...9R

Query : 1994A&A...290L...9R

1994A&A...290L...9R - Astronomy and Astrophysics, volume 290L9-12 (1994/10-1)

Asymmetries in disk galaxies. How often? How strong?

RICHTER O.-G. and SANCISI R.

Abstract (from CDS):

Asymmetries in the distributions of light and neutral hydrogen are often observed in disk galaxies. But how common are they? It is possible to estimate their number? Lopsided HI distributions and kinematics usually result in an asymmetry of the global HI profile. We have used the frequency of asymmetries in the 21 cm line profiles from several single-dish surveys to derive a lower limit of 50% for the fraction of galaxies with non-circularities. Asymmetries in disk galaxies may, therefore, be the rule rather than the exception.

Abstract Copyright: ∼

Journal keyword(s): galaxies: general - galaxies: spiral - HI data

Simbad objects: 26

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Number of rows : 26
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 520 AGN 01 24 35.07120 +03 47 32.6760 12.41 12.24 11.42     ~ 528 3
2 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
3 NGC 801 AGN 02 03 44.7926518608 +38 15 31.615649064   14.23 13.47     ~ 186 0
4 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
5 NGC 1055 EmG 02 41 45.233 +00 26 35.45 11.59 11.40 10.59 10.5 10.7 ~ 297 2
6 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
7 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 264 0
8 NGC 1637 Sy2 04 41 28.1926876152 -02 51 28.667815488   11.4   11.0 11.3 ~ 444 0
9 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
10 NGC 3198 EmG 10 19 54.990 +45 32 58.88 10.83 10.87 10.33     ~ 946 1
11 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
12 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
13 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
14 NGC 4565 Sy2 12 36 20.804 +25 59 14.61   13.61 12.43     ~ 991 0
15 NGC 4592 EmG 12 39 18.7543040040 -00 31 55.529665824   12.4   12.3 12.1 ~ 159 0
16 NGC 4654 H2G 12 43 56.638 +13 07 34.86   11.8       ~ 600 1
17 NGC 4666 AGN 12 45 08.676 -00 27 42.88   11.7   11.5 10.7 ~ 421 1
18 NGC 4668 EmG 12 45 31.941 -00 32 02.36   13.5   12.714   ~ 138 0
19 NGC 4725 Sy2 12 50 26.5716367992 +25 30 02.733090588   13.45 12.44     ~ 727 2
20 NGC 5005 LIN 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 567 2
21 NGC 5170 GiP 13 29 48.7664804592 -17 57 59.370796728   12.08 10.79 10.63 11.0 ~ 186 0
22 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
23 NGC 5774 GiP 14 53 42.46224 +03 34 56.9532   13.9 12.94     ~ 168 1
24 NGC 5775 GiG 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 460 2
25 NGC 5915 GiP 15 21 33.076 -13 05 30.22   13.1   12.32 12.7 ~ 117 0
26 NGC 6503 LIN 17 49 26.4207792072 +70 08 39.604132176 11.56 10.95 10.28 9.92   ~ 551 1

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