2015A&A...581A..82M


Query : 2015A&A...581A..82M

2015A&A...581A..82M - Astronomy and Astrophysics, volume 581A, 82-82 (2015/9-1)

6-m telescope observations of three dwarf spheroidal galaxies with very low surface brightness.

MAKAROV D.I., SHARINA M.E., KARACHENTSEVA V.E. and KARACHENTSEV I.D.

Abstract (from CDS):

Dwarf spheroidal galaxies (dSphs) are mostly investigated in the Local Group. DSphs are difficult targets for observations because of their small size and very low surface brightness. Here we measure spectroscopic and photometric parameters of three candidates for isolated dSphs, KKH65 = BTS23, KK180, and KK227, outside the Local Group. The galaxies are found to be of low metallicity and low velocity dispersion. They are among the lowest surface brightness objects in the Local Universe. According to the measured radial velocities, metallicities, and structural and photometric parameters, KKH65 and KK227 are representatives of the ultra-diffuse quenched galaxies. KKH65 and KK227 belong to the outer parts of the groups NGC 3414 and NGC 5371, respectively. KK180 is located in the Virgo cluster infall region.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: distances and redshifts - galaxies: fundamental parameters - galaxies: photometry

Simbad objects: 38

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Number of rows : 38
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 UGC 1703 LSB 02 12 55.14 +32 48 48.9   18       ~ 25 0
2 UGC 5844 AG? 10 43 56.039 +28 08 49.28   16.0       ~ 33 0
3 LEDA 4251293 AG? 10 46 30.443 +27 41 56.26           ~ 5 0
4 NGC 3380 GiG 10 48 12.1848022440 +28 36 06.485019660   13.6       ~ 99 1
5 UGC 5921 GiG 10 49 12.279 +27 55 39.67   15.3       ~ 38 0
6 LEDA 4558491 AG? 10 50 13.888 +27 18 03.93           ~ 5 0
7 NGC 3400 GiG 10 50 45.4714077120 +28 28 08.670392472   14.3       ~ 56 0
8 LEDA 4576692 AG? 10 50 49.544 +28 03 29.78           ~ 9 0
9 LEDA 1823017 AG? 10 51 07.889 +27 58 46.52           ~ 5 0
10 LEDA 93597 AG? 10 51 13.0159645584 +28 00 22.307749524   15.59       ~ 10 0
11 UGC 5958 GiP 10 51 15.802 +27 50 54.88   15.6       ~ 68 0
12 NGC 3414 GiP 10 51 16.2099174408 +27 58 30.297624852   12.1       ~ 329 0
13 SDSS J105123.21+280125.7 G 10 51 23.216 +28 01 25.71           ~ 3 0
14 NGC 3418 GiP 10 51 23.9568607224 +28 06 43.278645708   14.5       ~ 46 0
15 LEDA 2793673 GiP 10 51 37.1368582584 +27 49 19.598023740           ~ 10 0
16 LEDA 2807139 LSB 10 51 59.5 +28 21 36   17.0       ~ 16 0
17 LEDA 2832076 G 10 52 01.2 +27 45 15           ~ 3 0
18 LEDA 1813510 AG? 10 52 14.124 +27 37 23.82           ~ 8 0
19 SDSS J105218.32+272314.2 AG? 10 52 18.329 +27 23 14.03           ~ 9 0
20 NGC 3451 H2G 10 54 20.859 +27 14 22.76   13.5       ~ 122 0
21 LEDA 4572094 AG? 10 54 41.752 +28 07 31.10           ~ 7 0
22 LEDA 87172 LSB 11 12 15.7 +16 45 15           ~ 12 0
23 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6632 0
24 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7180 3
25 NAME LOCAL SUPERCL SCG 12 31 +12.4           ~ 517 0
26 IC 3881 GiC 12 54 48.688 +19 10 42.05   14.1       ~ 83 0
27 SDSS J125651.47+163024.2 AG? 12 56 51.473 +16 30 24.26           ~ 9 0
28 LEDA 166150 AG? 12 58 35.964 +17 48 46.87           ~ 19 0
29 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4793 2
30 SDSS J130320.36+175909.7 AG? 13 03 20.360 +17 59 09.72           ~ 10 0
31 LEDA 86645 LSB 13 04 30.5 +17 45 34           ~ 19 0
32 SDSS J130440.05+184438.7 AG? 13 04 40.050 +18 44 38.79           ~ 9 0
33 NGC 5390 LIN 13 55 39.9385716624 +40 27 42.380606592   12.81 11.93 10.04   ~ 350 1
34 MATLAS-1677 G 13 56 09.6 +40 18 06       16.78   ~ 12 0
35 LEDA 2801016 LSB 14 19 17.0 +03 07 22           ~ 11 0
36 LEDA 2801017 G 14 27 04.9 +22 41 25           ~ 6 0
37 ESO 468-20 G 22 40 43.6 -30 47 55   15.88   15.13   ~ 41 0
38 NAME Local Group GrG ~ ~           ~ 8378 0

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