2020A&A...638A.111K

Query : 2020A&A...638A.111K

2020A&A...638A.111K - Astronomy and Astrophysics, volume 638A, 111-111 (2020/6-1)

KKH 22, the first dwarf spheroidal satellite of IC 342.

KARACHENTSEV I.D., MAKAROVA L.N., TULLY R.B., ANAND G.S., RIZZI L., SHAYA E.J. and AFANASIEV V.L.

Abstract (from CDS):

Aims. We present observations with the Advanced Camera for Surveys on the Hubble Space Telescope of the nearby dwarf spheroidal galaxy KKH 22 = LEDA 2807114 in the vicinity of the massive spiral galaxy IC 342.
Methods. We derived its distance of 3.12±0.19Mpc using the tip of red giant branch (TRGB) method. We also used the 6m BTA spectroscopy to measure a heliocentric radial velocity of the globular cluster in KKH 22 to be +30±10km/s.
Results. The dSph galaxy KKH 22 has the V-band absolute magnitude of -12.19^m and the central surface brightness µ_v,0=24.1^m/arcsec². Both the velocity and the distance of KKH 22 are consistent with the dSph galaxy being gravitationally bound to IC 342. Another nearby dIr galaxy, KKH 34, with a low heliocentric velocity of +106km/s has the TRGB distance of 7.28±0.36Mpc residing in the background with respect to the IC 342 group. KKH 34 has a surprisingly high negative peculiar velocity of -236±26km/s.

Abstract Copyright: © ESO 2020

Journal keyword(s): galaxies: dwarf - galaxies: distances and redshifts - galaxies: photometry - galaxies: individual: KKH22

VizieR on-line data: <Available at CDS (J/A+A/638/A111): kkh22pho.dat kkh34pho.dat list.dat kkh22sp.fit>

Simbad objects: 44

Full paper

View the references in ADS

Number of rows : 44

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	NAME Sculptor dE1	GiG	00 23 51.7	-24 42 18		17.73				~	66	1
2	NGC 147	GiG	00 33 12.120	+48 30 31.46		12.0	9.5			~	672	1
3	M 31	G	00 42 44.330	+41 16 07.50	4.86	4.36	3.44			~	12247	1
4	NAME Andromeda I	G	00 45 39.8	+38 02 28		13.9	12.7			~	332	0
5	NGC 253	SyG	00 47 33.134	-25 17 19.68		8.03		6.94	8.1	~	3221	2
6	[SCS2014] SCl-MM-Dw1	G	00 47 34.93	-26 23 19.7						~	10	0
7	NAME NGC 253-dw2	G	00 50 17.060	-24 44 58.58						~	13	0
8	NAME Sculptor Dwarf Galaxy	G	01 00 09.4	-33 42 32		9.79	8.6	8.81		~	1296	4
9	NAME Andromeda II	G	01 16 29.8	+33 25 09			11.7			~	367	0
10	M 74	G	01 36 41.7451236624	+15 47 01.107512304	10.52	10.00	9.46	9.16		~	1654	1
11	NAME PER SUPERCL	SCG	02 33.2	+41 37						~	404	1
12	NAME Fornax Dwarf Spheroidal	G	02 39 59.3	-34 26 57		9.02	7.4			~	1681	1
13	UGCA 39	GiG	02 41 55.092	+59 36 14.73		16				~	343	1
14	LEDA 2807114	G	03 44 56.7	+72 03 52						~	10	0
15	LEDA 166077	LSB	03 45 13.7	+67 51 58						~	35	0
16	IC 342	SBG	03 46 48.514	+68 05 45.98		10.5				~	1480	1
17	NAME IC 342 Group	GrG	03 48 42	+68 00.8						~	100	1
18	NAME Maffei Group	GrG	03 49	+68.0						~	49	0
19	UGCA 86	G	03 59 49.4	+67 08 38		14.2	14.2			~	100	0
20	NAME Camel Galaxy	LSB	04 25 16.6	+72 48 24		14.85				~	55	0
21	NGC 1569	IG	04 30 49.186	+64 50 52.52	11.72	11.86	11.03			~	1219	3
22	UGCA 92	G	04 32 04.9	+63 36 49		16.15				~	120	0
23	NGC 1560	GiG	04 32 49.087	+71 52 59.20		12.1				~	246	0
24	NAME Cam B	G	04 53 07.1	+67 05 57		16.71				~	73	0
25	UGCA 105	GiG	05 14 15.3240846648	+62 34 47.964904644		15.3				~	79	1
26	LEDA 95594	G	05 59 40.4	+73 25 40		17.1				~	42	0
27	NAME F8D1	G	09 44 47.1	+67 26 19		14.60	13.85			~	64	0
28	M 81	Sy2	09 55 33.1726556496	+69 03 55.062505368		7.89	6.94			~	4317	3
29	LEDA 28731	G	09 57 03.0	+68 35 31		15.17				~	108	1
30	UGC 5428	G	10 05 06.2	+66 33 31	17.89	16.82	16.09	15.73		~	99	1
31	UGC 5442	G	10 07 01.70	+67 49 38.4	17.09	15.73	15.07	14.81		~	81	1
32	Z 64-73	G	10 08 28.12	+12 18 23.4		11.3	10.0			~	1163	1
33	Z 126-111	G	11 13 28.13	+22 09 10.1		12.9	12.0			~	809	0
34	M 106	Sy2	12 18 57.620	+47 18 13.39		9.14	8.41	8.11		~	2292	3
35	[BSC2017] Dw 9	LSB	13 55 44.6	+55 08 45						~	9	0
36	[MVA2014] DF 3	LSB	14 03 05.7	+53 36 56		17.9				~	17	0
37	M 101	GiP	14 03 12.583	+54 20 55.50		8.46	7.86	7.76		~	2790	2
38	[JMK2016] NGC 5457-DGSAT-1	LSB	14 06 49.80	+53 44 28.8		19.2				~	11	0
39	[MVA2014] DF 2	LSB	14 08 37.5	+54 19 31		19.8				~	15	0
40	NAME Local Void	vid	18 38	+18.0						~	185	0
41	NGC 6946	H2G	20 34 52.332	+60 09 13.24		10.5				~	2449	2
42	NAME Andromeda VII	GiG	23 26 31.7	+50 40 33		13.6	11.8			~	201	1
43	NAME Peg dSph	GiG	23 51 46.4	+24 35 11		14.5	13.2			~	232	2
44	NAME Local Group	GrG	~	~						~	8040	0

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