2011MNRAS.413..223M

Query : 2011MNRAS.413..223M

2011MNRAS.413..223M - Mon. Not. R. Astron. Soc., 413, 223-234 (2011/May-1)

Period–luminosity relations of type II cepheids in the Magellanic clouds.

MATSUNAGA N., FEAST M.W. and SOSZYNSKI I.

Abstract (from CDS):

Period-luminosity relations (PLRs) of type II Cepheids (T2Cs) in the Small Magellanic Cloud (SMC) are derived based on OGLE-III, IRSF/SIRIUS and other data, and these are compared with results for the Large Magellanic Cloud (LMC) and Galactic globular clusters. Evidence is found for a change of the PLR slopes from system to system. Treating the longer period T2Cs (W Vir stars) separately gives an SMC-LMC modulus difference of 0.39 ± 0.05 mag without any metallicity corrections being applied. This agrees well with the difference in moduli based on different distance indicators, in particular the PLRs of classical Cepheids. The shorter period T2Cs (BL Her stars) give a smaller SMC-LMC difference suggesting that their absolute magnitudes might be affected either by metallicity or by age effects. It is shown that the frequency distribution of T2C periods also changes from system to system. Evidence of an irradiated accretion disc in XTE J1818-245

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: distances - stars: variables: Cepheids - Magellanic Clouds - infrared: stars

VizieR on-line data: <Available at CDS (J/MNRAS/413/223): table1.dat tablea1.dat>

Simbad objects: 62

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Number of rows : 62
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 OGLE SMC-T2CEP-1 cC* 00 30 02.3762526264 -73 49 06.917939472     15.303   14.768 ~ 7 0
2 OGLE SMC-T2CEP-2 WV* 00 34 53.5032230760 -72 58 45.889878684     18.781   18.206 ~ 10 0
3 OGLE SMC-T2CEP-3 WV* 00 37 08.3423106384 -73 43 04.976959404     18.373   17.572 ~ 10 0
4 OGLE SMC-T2CEP-4 WV* 00 38 20.386 -73 17 16.40     17.862   17.093 ~ 7 0
5 OGLE SMC-T2CEP-5 WV* 00 42 03.8123082336 -74 01 24.360825720     17.867   16.990 ~ 8 0
6 OGLE SMC128.4 2107 WV* 00 42 16.0151880000 -73 39 13.316078124   19.495 19.088   18.454 ~ 9 0
7 SV* HV 1369 cC* 00 42 57.4929151752 -73 07 14.622202380   14.910 14.356 14.113 13.572 ~ 20 0
8 OGLE SMC-T2CEP-8 WV* 00 44 00.7656011351 -73 22 54.356311967   19.171 18.734   17.993 ~ 11 0
9 OGLE SMC-SC3 157235 WV* 00 44 12.3849101891 -72 59 28.295678605   19.094 18.499   17.688 ~ 11 0
10 OGLE SMC-T2CEP-10 WV* 00 44 54.6505469880 -73 28 03.210704796 14.88 15.13 14.75   14.16 B7-9IIIe 13 0
11 LIN 70 cC* 00 45 19.5494073024 -73 30 03.305766780   15.045 14.906   14.502 ~ 12 0
12 OGLE SMC-T2CEP-12 RV* 00 45 19.6846026408 -73 20 13.588560492     16.369   15.415 ~ 9 0
13 OGLE SMC-T2CEP-13 WV* 00 45 41.3645435424 -72 58 34.886970120 18.02 18.30 17.22   16.11 ~ 9 0
14 OGLE SMC-T2CEP-14 WV* 00 48 02.8320685080 -73 21 17.617901004     17.516   16.501 ~ 8 0
15 OGLE SMC-SC5 111664 WV* 00 49 36.9202803120 -73 10 01.502372028   17.380 17.210   16.897 ~ 13 0
16 OGLE SMC-SC5 235485 WV* 00 50 12.5740758960 -72 43 12.290408544   19.268 18.728   18.012 ~ 12 0
17 OGLE SMC102.4 258 WV* 00 50 42.04 -71 39 18.4     18.739   18.126 ~ 7 0
18 OGLE SMC-T2CEP-18 RV* 00 51 07.2201229320 -73 41 33.353088216 16.50 16.19 15.77   14.63 ~ 18 0
19 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
20 OGLE SMC-T2CEP-19 RV* 00 53 27.6969856104 -73 38 09.530956212     15.064   14.481 ~ 8 0
21 SV* HV 1586 RV* 00 53 35.9738194092 -72 34 21.887751683   16.61 15.890   14.894 ~ 10 0
22 OGLE SMC-T2CEP-21 WV* 00 53 49.68 -72 47 37.4     18.999   18.233 ~ 7 0
23 OGLE SMC107.6 1433 WV* 00 54 46.72 -73 48 32.6     19.480   18.731 ~ 7 0
24 OGLE SMC-T2CEP-23 WV* 00 55 01.6266631272 -73 09 47.421059328     15.990   15.264 ~ 11 0
25 SV* HV 1647 RV* 00 55 20.5764040152 -73 21 38.013123744     15.308   14.511 ~ 10 0
26 OGLE SMC-T2CEP-25 WV* 00 55 58.5746138760 -73 12 29.900845908   16.887 16.432   15.762 ~ 11 0
27 OGLE SMC-T2CEP-26 WV* 00 57 24.8582251560 -72 13 17.681792772     18.393   17.794 ~ 11 0
28 OGLE SMC106.8 38983 WV* 00 57 28.6258250952 -73 31 26.964147720     19.113   18.446 ~ 7 0
29 OGLE SMC-T2CEP-28 WV* 00 57 31.83 -73 32 11.2     15.907   15.031 ~ 9 0
30 SV* HV 12140 cC* 00 57 38.0984932248 -72 18 12.094779564   15.300 14.490 14.115 13.622 ~ 14 0
31 OGLE SMC-SC8 3848 WV* 00 57 40.7630782568 -73 03 05.050745692   17.530 17.290   16.776 ~ 11 0
32 OGLE SMC-T2CEP-31 WV* 00 58 54.1494689424 -71 22 56.851049100     17.794   16.929 ~ 6 0
33 OGLE SMC-T2CEP-32 WV* 00 58 58.7236039200 -73 33 45.837138744     16.873   16.161 ~ 8 0
34 OGLE SMC-SC8 148923 WV* 00 59 03.0972084072 -72 28 32.207000196   18.513 18.127   17.511 ~ 11 0
35 OGLE SMC-T2CEP-34 WV* 01 00 06.4505769984 -72 13 51.589081848     16.672   15.737 ~ 8 0
36 SV* HV 1828 WV* 01 00 35.0188591968 -73 46 57.928048428     16.735   15.894 ~ 11 0
37 OGLE SMC-T2CEP-36 Ce* 01 02 40.9545936624 -73 10 02.778474396     18.454   17.892 ~ 7 0
38 OGLE SMC-T2CEP-37 WV* 01 03 46.4933566920 -74 07 28.900495776     18.593   17.986 ~ 10 0
39 OGLE SMC-T2CEP-38 cC* 01 04 29.0022618072 -73 33 53.619255144     16.664   16.189 ~ 8 0
40 OGLE SMC-SC11 100 WV* 01 06 40.9181949456 -73 07 05.112357492     18.471   17.763 ~ 11 0
41 OGLE SMC-T2CEP-40 WV* 01 08 46.8558710832 -71 51 09.438266232     16.976   16.036 ~ 9 0
42 Dachs SMC 3-7 RV* 01 13 19.0675410288 -73 18 07.878610476 15.85 16.60 16.068 15.68 15.353 ~ 10 0
43 OGLE SMC-T2CEP-42 WV* 01 23 26.6835343152 -72 00 24.292077444     18.860   18.246 ~ 10 0
44 OGLE SMC-T2CEP-43 RV* 01 23 53.0572266096 -72 16 45.907802832     16.342   15.398 ~ 9 0
45 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
46 NAME Magellanic Bridge HI 03 11 -77.5           ~ 522 1
47 OGLE LMC-CEP-28 cC* 04 41 26.9389391184 -69 37 54.410517624     17.276   16.620 ~ 12 0
48 OGLE LMC-CEP-33 cC* 04 41 57.9239179752 -69 26 00.879176112     15.233   14.400 ~ 15 0
49 SV* HV 12716 cC* 04 42 01.9211757840 -70 38 48.997401072     14.630   13.737 ~ 18 0
50 SV* HV 12715 cC* 04 42 47.2638287376 -69 49 00.518558196     15.408   14.662 ~ 12 2
51 OGLE LMC-CEP-42 cC* 04 43 01.6060981176 -70 10 01.550894304     16.367   15.673 ~ 11 0
52 SV* HV 12717 cC* 04 43 20.8471430712 -69 13 47.809980552   15.48 14.733 14.20 13.950 ~ 37 0
53 OGLE LMC-CEP-48 cC* 04 43 31.4560486536 -69 37 28.906944240     15.145   14.451 ~ 12 0
54 OGLE LMC-CEP-49 cC* 04 43 35.5867908888 -70 41 46.579482780     16.201   15.328 ~ 12 0
55 SV* HV 12976 cC* 04 43 40.3321755192 -69 34 14.130276312     15.018   14.181 ~ 20 0
56 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
57 V* W Vir WV* 13 26 01.9928807928 -03 22 43.431062880   10.33 9.46 9.29 9.393 F2Ibe 320 0
58 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
59 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
60 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
61 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
62 * kap Pav WV* 18 56 57.0289935240 -67 14 00.581211276   5.08 4.40     G5Iab/b 137 0

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