2002A&A...385..404M


Query : 2002A&A...385..404M

2002A&A...385..404M - Astronomy and Astrophysics, volume 385, 404-411 (2002/4-2)

SED, metallicity and age of halo globular clusters in M33.

MA J., ZHOU X., CHEN J., WU H., JIANG Z., XUE S. and ZHU J.

Abstract (from CDS):

In this paper we study the properties of ten halo globular clusters in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Colour Survey of the sky in 13 intermediate-band filters from 3800 to 10000Å. By aperture photometry, we obtain the spectral energy distributions (SEDs) of these globular clusters. We estimate the ages of our sample clusters by comparing the photometry of each object with theoretical stellar population synthesis models for different values of metallicity. Our results suggest that eight of the ten sample halo globular clusters have ``intermediate'' ages, i.e. between 1 and 8Gyrs.

Abstract Copyright:

Journal keyword(s): galaxies: photometry - galaxies: cluster: individual: M 33 - galaxies: evolution

Simbad objects: 28

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Number of rows : 28
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 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12376 1
2 CBF 54 GlC 01 33 14.2863375672 +30 28 22.530659808 19.362 19.129 18.323 17.752 17.258 ~ 34 0
3 [SSA2010] 1132 Cl* 01 33 22.10 +30 45 34.3 19.846 19.674 19.034 18.596 18.083 ~ 8 0
4 [CS82] U50 Cl* 01 33 23.30 +30 46 09.0 19.918 20.033 19.624 19.467 19.181 ~ 6 1
5 [SSA2010] 1203 GlC 01 33 28.6875445368 +30 41 35.186506296 18.092 18.042 17.286 16.846 16.379 ~ 30 0
6 [SSA2010] 1230 GlC 01 33 30.70 +30 22 21.4 18.988 18.583 18.036 17.644 17.206 ~ 24 0
7 [SBG2007] 4 GlC 01 33 35.0831406456 +30 49 00.041875644 19.988 19.447 18.373 17.692 17.099 ~ 26 0
8 [SSA2010] 1458 GlC 01 33 45.10 +30 47 46.7 17.210 17.081 16.298 15.823 15.311 ~ 38 0
9 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5721 1
10 [SSA2010] 1566 GlC 01 33 52.20 +30 29 03.8 18.297 18.126 17.290 16.773 16.277 ~ 32 0
11 [SSA2010] 1819 GlC 01 34 11.00 +30 40 30.1 18.339 18.259 17.730 17.377 16.896 ~ 20 0
12 [SSA2010] 2016 Cl* 01 34 24.53 +30 53 05.4 19.261 19.014 18.199 17.668 17.119 ~ 18 0
13 [SSA2010] 2043 GlC 01 34 27.10 +30 36 42.3 18.136 18.181 17.697 17.423 17.084 ~ 20 0
14 [CS82] C15 Cl* 01 34 28.50 +30 53 35.9   19.79 19.16   18.53 ~ 5 1
15 [SSA2010] 2059 Cl* 01 34 29.10 +30 53 20.6 19.095 18.963 18.382 18.084 17.659 ~ 13 1
16 [SSA2010] 2075 GlC 01 34 30.20 +30 38 13.0 17.848 17.880 17.127 16.618 16.108 ~ 33 0
17 [CS82] U102 Cl* 01 34 30.4828161216 +30 36 48.372350436 19.262 19.709 19.391 19.121 18.752 ~ 6 1
18 [CS82] C27 Cl* 01 34 43.7461899672 +30 47 38.224477104 17.777 17.748 17.247 16.968 16.583 ~ 16 1
19 [SSA2010] 2222 GlC 01 34 44.20 +30 52 18.9 18.565 18.427 17.578 17.073 16.595 ~ 27 0
20 HD 19445 PM* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 765 0
21 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1760 0
22 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 916 0
23 HD 84937 Pe* 09 48 56.0992891997 +13 44 39.326709913 8.49 8.68 8.32 7.97 7.70 F8Vm-5 781 0
24 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4358 3
25 BD+26 2606 SB* 14 49 02.3593347728 +25 42 09.192358874 9.92 10.16 9.73 9.27 8.95 A5 368 0
26 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 519 0
27 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3102 0
28 BD+17 4708 SB* 22 11 31.3756832854 +18 05 34.177983548 9.73 9.91 9.46 9.03 8.70 sdF8 563 0

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2023.09.24-02:26:15

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