2013AJ....145...50D

Query : 2013AJ....145...50D

2013AJ....145...50D - Astron. J., 145, 50 (2013/February-0)

More remote globular clusters in the outer halo of M31.

DI TULLIO ZINN G. and ZINN R.

Abstract (from CDS):

We searched the Sloan Digital Sky Survey for outer halo globular clusters (GCs) around M31. Our search of non-stellar objects, within the limits of 0.3 ≤ (g - i)0 ≤ 1.5 and 14.0 ≤ r0 ≤ 19.0 concentrated in some remote areas of the extended halo, to a maximum projected distance of 240 kpc, for a total of approximately 200 deg2. Another ∼50 deg2, ∼5-75 kpc from M31, were surveyed as test areas. In these areas, we identified 39 GCs and 2 GC candidates, 84% of the previously known GCs (93% of the "classical GCs" and 40% of the "halo extended clusters," on the cluster classification scheme of Huxor et al.). For the entire survey, we visually inspected 78,516 objects for morphological evidence of cluster status, and we identified 18 new clusters, and 75 candidate clusters. The new clusters include 15 classical globulars and 3 clusters of lower density. Six of the clusters reside in the remote areas of the outer halo, beyond projected distances of 100 kpc. Previously, only MGC1 was found beyond this limit at 117 kpc. The farthest cluster discovered in this survey lies at a projected radius of 158 kpc from M31, assuming that the M31 distance is 780 kpc.

Abstract Copyright: ∼

Journal keyword(s): galaxies: halos - galaxies: individual: M31 - globular clusters: general

Nomenclature: Table 1: [DZ2013] SDSSNN (Nos SDSS1-SDSS18). Table 2: [DZ2013] CNN (Nos C1-C75).

Simbad objects: 106

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Number of rows : 106
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 [DZ2013] C1 Gl? 00 00 37.9 +32 25 04           ~ 1 0
2 [DZ2013] C2 G 00 08 19.0 +34 28 07           ~ 2 0
3 LEDA 2052087 G 00 08 34.4767558224 +34 37 37.436841084           ~ 4 0
4 [DZ2013] C4 Gl? 00 11 46.6225208808 +32 48 11.614523508           ~ 1 0
5 [DZ2013] C5 Gl? 00 13 41.4 +31 16 35           ~ 1 0
6 [DZ2013] C6 Gl? 00 15 04.9 +32 02 12           ~ 1 0
7 [DZ2013] C7 Gl? 00 23 07.6 +27 30 47           ~ 1 0
8 2MASX J00263557+2658307 G 00 26 35.5652056080 +26 58 31.014731172           ~ 2 0
9 [HTF2008] HEC2 GlC 00 28 31.62 +37 31 23.8     19.17   18.10 ~ 11 0
10 [DZ2013] C9 Gl? 00 32 16.5 +25 16 56           ~ 1 0
11 [DZ2013] C10 Gl? 00 33 59.7388049880 +28 42 29.879119152           ~ 1 0
12 [DZ2013] SDSS1 GlC 00 36 01.8 +40 29 50           ~ 3 0
13 Bol 531 ? 00 36 14.70 +40 57 56.6           ~ 5 0
14 [DZ2013] C11 Gl? 00 36 18.6 +28 19 04           ~ 1 0
15 NAME Andromeda XXVII G 00 37 27.1 +45 23 13     16.7     ~ 82 0
16 [DZ2013] C12 Gl? 00 37 37.5226925544 +25 08 45.199291812           ~ 1 0
17 [DZ2013] C13 Gl? 00 38 13.4 +29 39 15           ~ 1 0
18 [DZ2013] SDSS2 G 00 38 26.9 +40 12 35           ~ 2 1
19 [DZ2013] SDSS3 GlC 00 39 13.1 +41 42 08           ~ 3 0
20 [DZ2013] C14 G 00 39 32.2912519656 +40 51 16.613562564           ~ 2 0
21 [DZ2013] C15 G 00 40 09.5 +39 55 30           ~ 2 0
22 [DZ2013] C16 G 00 40 14.0 +39 02 33           ~ 2 0
23 [DZ2013] C17 G 00 40 31.9 +38 11 12           ~ 2 0
24 [DZ2015] 11 GlC 00 41 18.0 +42 46 16           ~ 4 0
25 [DZ2013] C18 G 00 41 38.9 +37 19 34           ~ 2 0
26 [DZ2013] SDSS5 G 00 41 47.2 +41 44 10           ~ 2 1
27 [DZ2013] C19 Gl? 00 42 05.4 +29 35 02           ~ 1 0
28 [DZ2013] C20 G 00 42 09.2380021488 +38 56 15.073562940           ~ 2 0
29 [HTF2008] H17 GlC 00 42 23.6856988584 +37 14 34.700705376     17.37   16.40 ~ 13 0
30 [DZ2013] SDSS6 GlC 00 42 27.6 +39 55 28           ~ 3 0
31 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
32 [DZ2013] C21 Gl? 00 42 54.5 +29 39 34           ~ 1 0
33 [DZ2013] C22 G 00 43 03.7326655992 +32 08 36.804350328           ~ 2 0
34 [DZ2013] C23 G 00 43 32.0 +33 10 04           ~ 2 0
35 [DZ2013] C24 G 00 43 44.3 +31 41 24           ~ 2 0
36 [DZ2013] C25 Gl? 00 43 57.2 +26 58 46           ~ 1 0
37 [DZ2013] C26 G 00 44 01.0 +30 42 01           ~ 2 0
38 [DZ2013] C27 G 00 45 40.2 +37 47 11           ~ 2 0
39 [DZ2013] C28 Gl? 00 45 57.0361014096 +25 01 43.623158772           ~ 1 0
40 [DZ2013] C29 Gl? 00 47 32.6339461752 +28 03 55.632873852           ~ 1 0
41 [DZ2013] SDSS7 G 00 47 41.1 +42 04 17           ~ 2 1
42 Bol D320 G 00 47 41.46 +42 04 14.0 18.347 18.371 17.773 17.330 16.805 ~ 10 0
43 AGC 102989 G 00 48 25.4139686376 +29 16 03.500184684           ~ 3 0
44 [DZ2013] C31 G 00 49 33.1 +34 52 00           ~ 2 0
45 [DZ2013] C32 G 00 49 37.5 +33 44 54           ~ 2 0
46 [DZ2013] C33 G 00 50 22.4516028480 +41 51 34.502846076           ~ 2 0
47 PAndAS-39 GlC 00 50 36.3416171112 +42 31 49.679915952           ~ 4 0
48 Bol 520 GlC 00 50 42.4580241563 +32 54 58.623459583     15.50     ~ 53 1
49 [DZ2013] C34 G 00 51 12.0 +43 33 35           ~ 2 0
50 [DZ2013] C35 Gl? 00 51 24.2 +27 19 04           ~ 1 0
51 [DZ2013] C36 G 00 51 32.5839318120 +41 57 23.611819788           ~ 2 0
52 [DZ2013] C37 G 00 51 47.2715633280 +41 37 31.746974772           ~ 2 0
53 [DZ2013] C38 Gl? 00 51 59.0 +27 30 20           ~ 1 0
54 [DZ2013] C39 G 00 52 34.6 +43 18 25           ~ 2 0
55 NAME PA-41 GlC 00 53 39.6 +42 35 15           ~ 9 0
56 [DZ2013] C40 G 00 54 06.3 +29 55 18           ~ 2 0
57 [HTF2008] HEC11 GlC 00 55 17.28 +38 51 02.9     17.69   16.69 ~ 15 0
58 [DZ2013] SDSS10 G 00 55 28.1 +43 59 31           ~ 2 1
59 NAME PA-46 GlC 00 58 56.3882151768 +42 27 38.212495560           ~ 11 0
60 [DZ2013] C41 G 01 00 12.7 +34 00 43           ~ 2 0
61 [DZ2013] C42 Gl? 01 02 32.1343491816 +25 00 06.704020404           ~ 1 0
62 [DZ2013] C43 Gl? 01 03 15.5905802184 +29 28 34.257131796           ~ 1 0
63 [DZ2013] C44 Gl? 01 04 13.4 +28 35 24           ~ 1 0
64 [DZ2013] C45 G 01 05 43.0091962896 +30 56 43.603748412           ~ 3 0
65 [DZ2013] C46 Gl? 01 06 06.6 +27 45 30           ~ 1 0
66 [DZ2013] C47 G 01 06 14.8215579816 +34 01 14.791016568           ~ 2 0
67 [DZ2013] C48 G 01 06 40.5 +32 29 59           ~ 2 0
68 [DZ2013] C49 Gl? 01 07 24.8 +29 07 34           ~ 1 0
69 [DZ2013] C50 G 01 08 33.5 +33 47 10           ~ 2 0
70 LAMOST J010940.60+341412.9 G 01 09 40.5761852760 +34 14 12.870445992           ~ 3 0
71 [DZ2013] C52 G 01 10 50.7908926176 +44 44 38.024894652           ~ 2 0
72 NAME PA-52 GlC 01 12 47.0085879864 +42 25 24.737438460           ~ 8 0
73 [DZ2013] C53 Gl? 01 13 22.3 +25 22 37           ~ 1 0
74 [DZ2013] C54 Gl? 01 13 54.3903394272 +28 46 05.491818084           ~ 1 0
75 [DZ2013] C55 G 01 14 29.5783083192 +46 06 07.018422480           ~ 2 0
76 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 402 0
77 LAMOST J011641.70+331924.9 G 01 16 41.7 +33 19 25           ~ 4 1
78 [DZ2013] C56 G 01 17 36.0 +46 11 18           ~ 2 0
79 [DZ2013] C57 Gl? 01 18 09.8 +29 14 09           ~ 1 0
80 [DZ2013] C58 G 01 19 43.8 +33 09 20           ~ 2 0
81 [DZ2013] SDSS14 G 01 22 20.7 +35 11 35           ~ 2 1
82 [DZ2013] C59 G 01 22 56.7 +42 14 39           ~ 2 0
83 NAME PA-56 GlC 01 23 03.5276536632 +41 55 10.952416920           ~ 15 0
84 [DZ2013] C60 G 01 26 10.8 +43 49 11           ~ 2 0
85 [DZ2013] C61 G 01 27 37.5887616072 +38 07 05.047675320           ~ 2 0
86 NAME PA-57 GlC 01 27 47.6 +40 40 48           ~ 9 0
87 [DZ2013] C63 G 01 28 38.6 +44 00 47           ~ 2 0
88 NAME PA-58 GlC 01 29 02.2 +40 47 00           ~ 9 0
89 NAME Andromeda XXIII G 01 29 21.8 +38 43 08     14.2     ~ 88 0
90 [DZ2013] C64 Gl? 01 30 27.4 +48 45 15           ~ 1 0
91 [DZ2013] C65 G 01 31 17.4 +45 43 43           ~ 2 0
92 [DZ2013] C66 G 01 32 45.8 +42 57 32           ~ 2 0
93 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
94 [DZ2013] C67 G 01 33 59.1 +42 38 02           ~ 2 0
95 [DZ2013] C68 G 01 34 05.9600796120 +45 43 32.214894852           ~ 2 0
96 [DZ2013] C69 G 01 34 39.5 +44 05 41           ~ 2 0
97 [DZ2013] C70 Gl? 01 36 14.1273153144 +45 37 34.711335084           ~ 1 0
98 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
99 [DZ2013] C71 Gl? 23 40 21.5 +46 00 22           ~ 1 0
100 [DZ2013] C72 Gl? 23 41 09.4 +47 54 19           ~ 1 0
101 [DZ2013] SDSS17 GlC 23 41 50.0 +44 50 07           ~ 1 0
102 [DZ2013] C73 Gl? 23 44 01.5 +38 57 20           ~ 1 0
103 [DZ2013] C74 Gl? 23 46 49.9 +45 14 50           ~ 1 0
104 [DZ2013] C75 Gl? 23 48 40.9 +39 37 45           ~ 1 0
105 [DZ2013] SDSS18 G 23 49 09.7 +40 27 30           ~ 2 1
106 NAME Local Group GrG ~ ~           ~ 9325 0

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