2011A&A...525A..69B

Query : 2011A&A...525A..69B

2011A&A...525A..69B - Astronomy and Astrophysics, volume 525A, 69-69 (2011/1-1)

Long period variable survey in NGC 6822.

BATTINELLI P. and DEMERS S.

Abstract (from CDS):

The star-formation history of the intermediate-age population of the Local Group dwarf irregular galaxy NGC 6822 may have been influenced by the often discussed interaction with its HI cloud that might have produced the present polar-ring structure. We investigate the period distribution of the Mira variables in the central region and the spheroid of NGC 6822. We use the new wide-field near-infrared imager CPAPIR to acquire K_s images of a 32'x32' area, which includes a good part of the eastern spheroid of NGC 6822. Periods could be determined for 45 cyclic and semi-regular variables brighter than <K The period distribution of the long period variables may reflect the proposed interaction with the HI cloud that produces the polar ring.

Abstract Copyright: ∼

Journal keyword(s): surveys - stars: AGB and post-AGB - stars: carbon - stars: variables: general - stars: late-type - instrumentation: miscellaneous

Nomenclature: Tables 3-4: [BD2011] NNN (Nos 1-33, 100-130).

Simbad objects: 73

Full paper

View the references in ADS

Number of rows : 73

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2023	#notes
1	M 31	G	00 42 44.330	+41 16 07.50	4.86	4.36	3.44			~	12251	1
2	NAME SMC	G	00 52 38.0	-72 48 01		2.79	2.2			~	10692	1
3	NAME Magellanic Clouds	GrG	03 00	-71.0						~	6699	1
4	NAME LMC	G	05 23 34.6	-69 45 22			0.4			~	16766	1
5	Z 64-73	G	10 08 28.12	+12 18 23.4		11.3	10.0			~	1163	1
6	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000						~	13686	0
7	[WMF2013] 40102	Mi*	19 44 47.219	-14 45 03.90						~	3	0
8	[WMF2013] 40114	Mi*	19 44 47.80	-14 51 41.8						~	2	0
9	[LDB2002] 275	V*	19 44 48.435	-14 53 58.42						~	4	0
10	[LDB2002] 284	LP*	19 44 48.817	-14 47 22.05						~	5	0
11	[BD2011] 3	Mi*	19 44 48.9760084919	-14 38 05.431767964						~	5	0
12	2MASS J19445116-1440511	Mi*	19 44 51.1570920960	-14 40 51.289966632						~	4	0
13	[WMF2013] 10807	Mi*	19 44 51.907	-14 49 54.74						~	3	0
14	[WMF2013] 12445	Mi*	19 44 51.99	-14 47 26.1						~	2	0
15	[SRC2012] 296.217316-14.776381	Mi*	19 44 52.156	-14 46 34.97						~	3	0
16	[LDB2002] 367	V*	19 44 52.8135716160	-14 45 29.096075484						~	4	0
17	[LDB2002] 370	C*	19 44 52.881	-14 43 42.29						Ce	6	0
18	[WMF2013] 20239	Mi*	19 44 54.32	-14 43 31.9						~	2	0
19	[BD2011] 106	AB?	19 44 54.331	-14 46 02.60						~	3	0
20	NGC 6822	G	19 44 56.199	-14 47 51.29		18	8.1			~	1522	0
21	[BD2011] 107	LP*	19 44 56.297	-14 46 23.70						~	4	0
22	[WMF2013] 31168	Mi*	19 44 57.308	-14 52 12.74						~	3	0
23	[BD2011] 108	Mi*	19 44 58.19	-14 54 41.7						~	2	0
24	[BD2011] 109	V*	19 44 59.86	-14 46 54.3						~	1	0
25	[BD2011] 110	V*	19 45 00.08	-14 36 12.8						~	1	0
26	2MASS J19450019-1446040	Mi*	19 45 00.1995684696	-14 46 04.092364380					18.50	~	4	0
27	[BSM2001] CTIO-2679	V*	19 45 00.381	-14 44 10.58		21.92	21.71			~	3	0
28	[BD2011] 112	V*	19 45 00.82	-14 46 09.6						~	2	0
29	[LDB2002] 565	V*	19 45 01.31	-14 41 11.5						~	3	0
30	[WMF2013] 11299	Mi*	19 45 01.751	-14 46 34.90						~	3	0
31	[LDB2002] 572	V*	19 45 01.868	-14 46 09.38						~	4	0
32	[H25] V13	Ce*	19 45 01.90	-14 47 32.3		19.53	18.40			~	16	0
33	[WMF2013] 30268	Mi*	19 45 02.124	-14 53 16.57						~	3	0
34	[LDB2002] 584	V*	19 45 02.3030374080	-14 50 52.343915496						~	4	0
35	[BD2011] 116	V*	19 45 04.040	-14 44 25.14						~	2	0
36	[WMF2013] 40520	Mi*	19 45 04.05	-14 44 25.4						~	2	0
37	[LDB2002] 641	LP*	19 45 04.914	-14 44 05.33						~	4	0
38	[BD2011] 14	LP*	19 45 05.52	-14 45 05.0						~	2	0
39	[BD2011] 117	V*	19 45 05.65	-14 41 39.9						~	2	0
40	[WMF2013] 12177	Mi*	19 45 08.22	-14 48 32.1						~	2	0
41	[BD2011] 16	Mi*	19 45 08.5528788384	-14 44 22.178923620						~	3	0
42	[BD2011] 118	Mi*	19 45 09.87	-14 41 51.7						~	2	0
43	[WMF2013] 40623	Mi*	19 45 11.50	-14 44 48.7						~	2	0
44	[LDB2002] 749	Mi*	19 45 11.81	-14 41 29.1						~	3	0
45	[BD2011] 18	LP*	19 45 11.85	-14 33 18.0						~	1	0
46	[WMF2013] 21141	Mi*	19 45 11.92	-14 41 51.3						~	2	0
47	[BD2011] 20	Mi*	19 45 12.004	-14 52 43.91						~	4	0
48	[BD2011] 120	AB?	19 45 12.400	-14 54 12.98						~	2	0
49	[BD2011] 21	LP*	19 45 12.75	-14 47 32.2						~	2	0
50	[BD2011] 22	LP*	19 45 15.681	-14 37 28.54						~	2	0
51	[LDB2002] 790	V*	19 45 18.10	-14 49 05.5						~	2	0
52	[BD2011] 121	AB*	19 45 18.99	-14 35 02.3				19.23		MIIIev	2	0
53	[BD2011] 122	V*	19 45 22.09	-14 45 44.1						~	1	0
54	[BD2011] 24	LP*	19 45 25.269	-14 43 11.28						~	2	0
55	[LDB2002] 837	LP*	19 45 27.620	-14 55 51.61						~	3	0
56	[BD2011] 123	AB?	19 45 27.620	-14 44 17.57						~	2	0
57	[LDB2002] 852	V*	19 45 32.263	-14 44 10.23						~	3	0
58	[BD2011] 27	LP*	19 45 32.64	-14 51 17.3						~	1	0
59	2MASS J19453301-1452227	AB?	19 45 33.016	-14 52 22.76						~	2	0
60	[BD2011] 28	LP*	19 45 37.13	-14 47 32.4						~	1	0
61	[BD2011] 29	LP*	19 45 42.210	-14 46 50.77						~	2	0
62	[LDB2002] 882	V*	19 45 47.864	-14 41 32.31						~	3	0
63	[BD2011] 126	C*	19 45 57.3358358304	-14 38 17.532168792				20.41		C6.5v	3	0
64	[BD2011] 127	V*	19 45 59.52	-14 42 10.2						~	1	0
65	[BD2011] 128	V*	19 46 00.40	-14 36 57.7						~	1	0
66	[LDB2002] 896	V*	19 46 04.753	-14 41 40.57						~	3	0
67	[LDB2002] 898	V*	19 46 05.442	-14 50 34.42						~	3	0
68	[LDB2002] 899	V*	19 46 07.859	-14 53 58.33						~	3	0
69	[BD2011] 32	LP*	19 46 28.94	-14 45 54.9						~	1	0
70	[BD2011] 130	V*	19 46 34.44	-14 44 44.5						~	1	0
71	[BD2011] 33	LP*	19 46 44.24	-14 42 59.3						~	1	0
72	NAME Galactic Bulge	reg	~	~						~	4097	0
73	NAME Local Group	GrG	~	~						~	8047	0

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