2006MNRAS.368.1078C

Query : 2006MNRAS.368.1078C

2006MNRAS.368.1078C - Mon. Not. R. Astron. Soc., 368, 1078-1086 (2006/May-3)

Photometry of seven overlooked open clusters in the first and fourth Galactic quadrants.

CARRARO G., JANES K.A., COSTA E. and MENDEZ R.A.

Abstract (from CDS):

CCD BVI photometry is presented for seven previously unstudied star clusters projected towards the inner side of the Galaxy: Trumpler 23, Lynga 3, Collinder 307, Ruprecht 134, ESO552SC16, AL 5 and Kronberger 3. Colour-magnitude diagrams of the cluster regions allow us to conclude that Lynga 3 and ESO552SC16 are not clusters, but groups of bright stars probably located in the Carina-Sagittarius spiral arm. AL 5 and Kronberger 3 are so embedded in a dense stellar field that we cannot confirm their nature. Trumpler 23 and Ruprecht 134 are two intermediate-age open clusters located well inside the solar ring which deserve further attention.

Finally, Collinder 307 is an obscured younger cluster (250Myr) located in the Carina-Sagittarius spiral arm. Our results emphasize the difficulty to search for open clusters in the inner regions of the Galaxy due to the richness of the field and the patchy nature of the interstellar absorption, but at the same time significantly contribute to a better understanding of this complicated regions of the Milky Way.


Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): open clusters and associations: general

CDS comments: ESO552SC16, AL 5 and Kronberger 3 are not in Simbad. They are not considered as clusters by the authors.

Simbad objects: 25

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Number of rows : 25
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 V* T Phe Mi* 00 30 26.2337742744 -46 24 33.379722396   12.46 11.43 12.43   M7e 72 0
2 NAME Gal Anticenter reg 05 46 +28.9           ~ 913 0
3 NGC 2477 OpC 07 52 11.0 -38 32 13   6.64 5.8     ~ 290 0
4 GSC 04865-01293 * 08 53 18.4633376304 -00 41 09.808251180 12.857 12.897 12.350 12.015 11.684 ~ 7 0
5 PG 0942-029 HS* 09 45 11.8538082624 -03 09 21.034933164 12.537 13.714 14.012 14.144 14.308 sdB 53 0
6 G 161-88 PM* 09 56 17.3708028360 -00 31 57.073791000 17.292 15.911 14.380 13.340 12.143 ~ 11 0
7 NAME Car Arm PoG 10 00 -60.0           ~ 439 1
8 Wolf 424 ** 12 33 17.361480 +09 01 15.79224 15.398 14.313 12.467 10.937 8.988 M5.5V 321 0
9 GSC 04949-00797 * 12 42 20.4309984912 -00 40 28.358776488 13.935 14.002 13.484 13.161 12.831 ~ 13 0
10 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1179 0
11 ESO 96-4 OpC 13 15 16.0 -65 55 16           ~ 47 0
12 NGC 5764 OpC 14 53 33.4 -52 40 01     12.6     ~ 19 0
13 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 514 1
14 Cl Lynga 3 OpC 15 16 47 -58 22.4   14.89 12.58     ~ 14 0
15 GSC 05017-00230 * 15 39 13.8861486600 -00 13 27.900571476 17.323 16.058 14.646 13.723 12.885 ~ 11 0
16 Cl Trumpler 23 OpC 16 00 52.3 -53 32 20     11.2     ~ 51 0
17 Cl Collinder 307 OpC 16 35 10.1 -50 59 24           ~ 24 0
18 NGC 6404 OpC 17 39 39.8 -33 13 26     10.6     ~ 47 0
19 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14420 0
20 Cl Ruprecht 134 OpC 17 52 44.2 -29 32 13           ~ 41 0
21 NGC 6583 OpC 18 15 50.9 -22 08 35     10.0     ~ 70 0
22 UCAC2 31907038 * 18 42 48.2780676768 +00 06 27.779994252 20.945 17.026 15.693 14.775 13.890 ~ 10 0
23 Cl Berkeley 80 OpC 18 54 21.8 -01 12 50           ~ 27 0
24 [L92b] Mark A HS* 20 43 59.2253596272 -10 47 41.696051820 11.854 13.010 13.256 13.370 13.494 sdO 70 1
25 NAME Galactic Bulge reg ~ ~           ~ 4299 0

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