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

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

2020A&A...638A.111K - Astronomy and Astrophysics, volume 638A111-111 (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 -12.19m and the central surface brightness µv,0=24.1m/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

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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 - 2026 		#notes
1 NAME Sculptor dE1 GiG 00 23 51.7 -24 42 18   17.73       ~ 71 1
2 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 720 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NAME Andromeda I G 00 45 39.8 +38 02 28   13.9 12.7     ~ 355 0
5 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
6 [SCS2014] SCl-MM-Dw1 G 00 47 34.93 -26 23 19.7           ~ 14 0
7 NAME NGC 253-dw2 G 00 50 17.060 -24 44 58.58           ~ 21 0
8 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1498 4
9 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 402 0
10 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
11 NAME Psc-Per Supercluster SCG 02 33.2 +41 37           ~ 444 1
12 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
13 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 360 1
14 LEDA 2807114 G 03 44 56.7 +72 03 52           ~ 13 0
15 LEDA 166077 LSB 03 45 13.7 +67 51 58           ~ 37 0
16 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
17 NAME IC 342 Group GrG 03 48 42 +68 00.8           ~ 102 1
18 NAME Maffei Group GrG 03 49 +68.0           ~ 52 0
19 UGCA 86 AG? 03 59 48.30 +67 08 18.6   14.2 14.2     ~ 110 0
20 NAME Camel Galaxy LSB 04 25 16.6 +72 48 24   14.85       ~ 59 0
21 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
22 UGCA 92 AG? 04 32 03.8366 +63 36 51.243   16.15       ~ 128 0
23 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 264 0
24 NAME Cam B G 04 53 07.1 +67 05 57   16.71       ~ 79 0
25 Z 283-4 GiG 05 14 15.3240846648 +62 34 47.964904644   15.3       ~ 90 1
26 LEDA 95594 G 05 59 40.4 +73 25 40   17.1       ~ 46 0
27 NAME F8D1 G 09 44 47.1 +67 26 19   14.60 13.85     ~ 80 0
28 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
29 LEDA 28731 G 09 57 02.7 +68 35 30   15.17       ~ 119 1
30 UGC 5428 AG? 10 05 06.40 +66 33 32.0 17.89 16.82 16.09 15.73   ~ 113 1
31 UGC 5442 AG? 10 07 01.90 +67 49 39.0 17.09 15.73 15.07 14.81   ~ 95 1
32 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
33 Z 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
34 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
35 [BSC2017] Dw 9 LSB 13 55 44.6 +55 08 45           ~ 11 0
36 [MVA2014] DF 3 LSB 14 03 05.7 +53 36 56   17.9       ~ 21 0
37 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
38 SMDG J1406499+534430 LSB 14 06 49.9 +53 44 30   19.2       ~ 17 0
39 SMDG J1408374+541932 LSB 14 08 37.5 +54 19 31   19.8       ~ 20 0
40 NAME Local Void vid 18 38 +18.0           ~ 234 0
41 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
42 NAME Andromeda VII GiG 23 26 31.0 +50 40 33   13.6 11.8     ~ 222 1
43 NAME Peg dSph GiG 23 51 46.3 +24 34 57   14.5 13.2     ~ 250 2
44 NAME Local Group GrG ~ ~           ~ 9325 0

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