2015MNRAS.446.1268C


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.06CET00:43:37

2015MNRAS.446.1268C - Mon. Not. R. Astron. Soc., 446, 1268-1282 (2015/January-2)

A search for open cluster Cepheids in the Galactic plane.

CHEN X., DE GRIJS R. and DENG L.

Abstract (from CDS):

We analyse all potential combinations of Galactic Cepheids and open clusters (OCs) in the most up-to-date catalogues available. Isochrone fitting and proper-motion calculation are applied to all potential OC-Cepheid combinations. Five selection criteria are used to select possible OC Cepheids: (i) the Cepheid of interest must be located within 60arcmin of the OC's centre; (ii) the Cepheid's proper motion is located within the 1σ distribution of that of its host OC; (iii) the Cepheid is located in the instability strip of its postulated host OC; (iv) the Cepheid and OC distance moduli should differ by less than 1mag; and (v) the Cepheid and OC ages (and, where available, their metallicities) should be comparable: Δlog(t/yr) < 0.3. 19 possible OC Cepheids are found based on our near-infrared (NIR) analysis; eight additional OC-Cepheid associations may be genuine pairs for which we lack NIR data. Six of the Cepheids analysed at NIR wavelengths are new, high-probability OC Cepheids, since they lie on the NIR period (P)-luminosity relation (PLR). These objects include TY Sct and CN Sct in Dolidze 34, XX Sgr in Dolidze 52, CK Sct in NGC 6683, VY Car in ASCC 61 and U Car in Feinstein 1. Two additional new OC Cepheids lack NIR data: V0520 Cyg in NGC 6991 and CS Mon in Juchert 18. The NIR PLR for our confirmed sample of OC Cepheids is MJ = (-3.12±0.29)log(Pd-1) - (2.17±0.29)mag, which is in good agreement with the best NIR PLR available for all Galactic Cepheids.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): methods: data analysis - stars: variables: Cepheids - open clusters and associations: general - distance scale

Simbad objects: 74

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Number of rows : 74

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 Cl Berkeley 58 OpC 00 00.0 +60 58   10.39 9.7     ~ 46 0
2 V* CG Cas cC* 00 00 59.2384113995 +60 57 32.432020899   12.70 11.28     F5 83 0
3 V* V379 Cas cC* 00 26 35.9583681261 +60 47 53.431224644   10.18 9.16     F6 43 0
4 V* DL Cas cC* 00 29 58.5886100054 +60 12 43.069687745 10.66 9.88 8.63   7.582 G1Ib-IIHdel-1 306 0
5 NGC 129 OpC 00 30 00 +60 13.1   7.33 6.5     ~ 183 0
6 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9710 1
7 C 0229+585 OpC 02 33 01 +58 46.1   10.89 9.7     ~ 31 0
8 V* UY Per cC* 02 34 31.3000705518 +58 49 53.839204521   12.46 11.18   9.431 F7 112 0
9 Juchert 18 OpC 06 31 27.6 +06 48 12           ~ 9 1
10 V* CS Mon Ce* 06 32 10.9439913787 +06 39 11.029554207   12.24 11.25 10.78   ~ 46 0
11 V* CV Mon cC* 06 37 04.8448658715 +03 03 50.276498200   11.32 9.90   8.631 ~ 217 0
12 Cl VDB 1 OpC 06 37 07.8 +03 04 16           ~ 49 0
13 TYC 6557-655-1 Ce* 07 55 02.8776854764 -26 14 17.302784265   12.33 11.33     ~ 2 0
14 C 0753-258 OpC 07 55 41 -25 52.8   8.96 8.7     ~ 37 0
15 C 0837-438 OpC 08 39.2 -44 03           ~ 20 0
16 V* AP Vel Ce* 08 39 45.7558657365 -43 51 39.161994779   11.17 10.16     F9 89 0
17 Cl Ruprecht 79 OpC 09 41 03.0 -53 50 53           ~ 68 0
18 V* CS Vel cC* 09 41 10.2609558071 -53 48 57.782655270   12.46 11.24   10.078 ~ 94 0
19 Cl Collinder 220 OpC 10 25 52 -57 54.9           ~ 18 0
20 V* UW Car cC* 10 26 50.8798632047 -59 40 10.371971830   10.33 9.47   8.219 G0 64 0
21 V* VY Car cC* 10 44 32.6908129391 -57 33 55.326019898 8.12 7.70 6.87   6.299 F7Iab/b 200 0
22 V* SX Car cC* 10 46 05.8410127878 -57 32 51.123300070   9.93 9.06 9.51 8.047 F6Ib/II 89 0
23 [KPR2005] 61 OpC 10 46.1 -56 52           ~ 15 0
24 V* U Car cC* 10 57 48.1866898409 -59 43 55.880151632 8.31 7.21 6.11   5.073 G5/8Iab 216 0
25 Cl Sher 1 OpC 11 01 01 -60 13.8   9.14 8.8     ~ 31 0
26 V* FN Car cC* 11 01 14.3899049878 -60 06 59.665050967   12.30 11.66     ~ 46 0
27 [KPR2005] 64 OpC 11 03 04 -60 55.2           ~ 17 0
28 V* HK Car cC* 11 03 45.2041633103 -60 38 32.174788403   10.90 10.02     G5 36 0
29 V* XZ Car cC* 11 04 13.4721581542 -60 58 47.731144433 11.38 10.11 8.67     K5 98 0
30 Cl Feinstein 1 OpC 11 06 43 -59 49.2   4.84 4.7     ~ 33 0
31 [KPR2005] 69 OpC 12 06 36 -69 46.2           ~ 22 0
32 V* S Mus cC* 12 12 47.0194644681 -70 09 06.436474127 7.58 8.80 8.33 7.39 5.196 F6Ib+B5V 241 0
33 V* R Cru cC* 12 23 37.6883962336 -61 37 44.856977549 7.41 7.00 6.42     F7Ib/II 144 0
34 NGC 4349 OpC 12 24 08 -61 52.3   8.01 7.4     ~ 94 0
35 V* V Cen cC* 14 32 33.0828020969 -56 53 15.774776152 8.44 7.84 6.93   5.798 F5Ib/II 247 0
36 NGC 5662 OpC 14 35 37 -56 37.1   6.18 5.5     ~ 101 0
37 ASAS J155149-5621.8 cC* 15 51 48.8055524389 -56 21 50.996956850   13.31 11.83 11.30   ~ 3 0
38 NGC 5999 OpC 15 52 11.3 -56 29 17     9.0     ~ 39 0
39 Cl Lynga 6 OpC 16 04 52 -51 56.0   10.28 9.5     ~ 74 0
40 V* TW Nor cC* 16 04 55.2266686530 -51 57 12.652767620   13.67 11.17     ~ 144 0
41 V* QZ Nor cC* 16 11 20.4661902809 -54 21 14.826048900 10.08 9.53 8.71 8.66   G1Iab 121 0
42 NGC 6067 OpC 16 13 11 -54 13.1           ~ 177 0
43 NGC 6087 OpC 16 18 50 -57 56.1   5.85 5.4     ~ 157 0
44 V* S Nor cC* 16 18 51.8313333962 -57 53 59.253617873 8.15 7.49 6.49   5.427 F8/G0Ib 348 1
45 TYC 8324-2796-1 Ce* 16 28 11.2294249382 -51 11 56.324006175   11.63 10.31     ~ 4 0
46 Cl Ruprecht 119 OpC 16 28 15 -51 30.0           ~ 37 0
47 Cl Turner 2 OpC 18 16 51 -19 01.8           ~ 17 0
48 V* WZ Sgr cC* 18 16 59.7158915244 -19 04 32.989119557   9.10 7.45     F7(III) 233 0
49 Cl Kharchenko 3 OpC 18 22 47 -14 38.0           ~ 11 0
50 [KPS2012] MWSC 2907 OpC 18 23 55 -16 38.4           ~ 10 0
51 V* XX Sgr cC* 18 24 44.5007279272 -16 47 49.819587940   10.51 9.65 9.38   F7/8II 109 0
52 TYC 6266-797-1 cC* 18 27 13.4508881485 -15 07 04.714546337   11.93 10.81     ~ 7 0
53 IC 4725 OpC 18 31 47 -19 07.0           ~ 196 0
54 V* U Sgr cC* 18 31 53.3321808602 -19 07 30.262730218 8.50 7.81 6.68   5.413 G1Ib 439 0
55 V* CK Sct cC* 18 41 00.6632019519 -06 05 50.009798102   12.59 10.72     G 66 0
56 Cl Dolidze 34 OpC 18 41 54 -04 16.0           ~ 13 0
57 V* RU Sct cC* 18 41 56.3817508914 -04 06 38.375080426   10.17 8.82     G5 185 0
58 V* TY Sct cC* 18 42 07.9138178608 -04 17 36.534181571   13.07 11.00   8.829 F8 87 0
59 NGC 6683 OpC 18 42 13 -06 12.0   9.93 9.4     ~ 20 0
60 V* CN Sct cC* 18 42 30.4903731576 -04 19 50.353845403   14.58       ~ 38 0
61 Cl Trumpler 35 OpC 18 42 54 -04 08.0   10.44 9.2     ~ 66 0
62 V* BB Sgr cC* 18 50 59.8730479535 -20 17 42.828317888 8.07 7.53 6.69   5.824 G0Ib 237 0
63 C 1850-204 OpC 18 52 16 -20 12.2     6.3     ~ 60 0
64 Cl Turner 9 OpC 19 44 49 +29 15.9           ~ 26 0
65 V* X Cyg cC* 20 43 24.1918662954 +35 35 16.075732392 8.69 7.70 6.47   5.241 F7Ib 444 0
66 C 2043+353 OpC 20 45 04 +35 30.2           ~ 13 0
67 NGC 6991 OpC 20 54 54 +47 25.0           ~ 36 2
68 V* V520 Cyg cC* 20 54 57.5309571381 +47 32 01.690667585   12.10 10.89     G0 48 0
69 V* V1726 Cyg cC* 21 29 38.9420420958 +48 58 08.704046445   9.76 8.91     F5 67 1
70 V* CE Cas B cC* 23 58 09.1060126033 +61 12 49.080293324   12.27 11.20     F8Ib 35 0
71 V* CE Cas ** 23 58 09.313 +61 12 49.26     10.63     F9Ib+F8Ib 126 0
72 V* CE Cas A cC* 23 58 09.4462986260 +61 12 49.332003456   12.15 10.95     F9Ib 40 0
73 V* CF Cas cC* 23 58 17.9757306390 +61 13 15.821709555   12.72 10.80   9.700 F8Ibv 222 0
74 NGC 7790 OpC 23 58 24 +61 12.5   9.18 8.5     ~ 249 0

    Equat.    Gal    SGal    Ecl

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2021.03.06-00:43:37

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