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Query : 2003MNRAS.345..269H |
2003MNRAS.345..269H - Mon. Not. R. Astron. Soc., 345, 269-291 (2003/October-2)
Distances to Cepheid open clusters via optical and K -band imaging.
HOYLE F., SHANKS T. and TANVIR N.R.
Abstract (from CDS):
We also find that the two-colour U -B :B -V diagrams of two important clusters are not well fitted by the standard main-sequence line. In one case, NGC 7790, we find that the F stars show a UV excess and in the second case, NGC 6664, they are too red in U -B. Previous spectroscopic estimates of the metallicity of the Cepheids in these clusters appear to suggest that the effects are not due to metallicity variations. Other possible explanations for these anomalies are positional variations in the dust reddening law and contamination by foreground or background stars.
Abstract Copyright: 2003 RAS
Journal keyword(s): Cepheids - open clusters and associations: general - Magellanic Clouds - distance scale
Simbad objects: 40
Number of rows : 40 |
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 | NGC 103 | OpC | 00 25 14.9 | +61 19 34 | 10.28 | 9.8 | ~ | 79 | 0 | |||
2 | V* DL Cas | cC* | 00 29 58.5888773064 | +60 12 43.065292140 | 10.66 | 9.88 | 8.63 | 7.582 | G1Ib-IIHdel-1 | 331 | 0 | |
3 | NGC 129 | OpC | 00 30 25.7 | +60 12 47 | 7.33 | 6.5 | ~ | 203 | 0 | |||
4 | NGC 281 | HII | 00 52 25.1 | +56 33 54 | ~ | 243 | 1 | |||||
5 | NAME SMC | G | 00 52 38.0 | -72 48 01 | 2.79 | 2.2 | ~ | 11149 | 1 | |||
6 | Cl Berkeley 62 | OpC | 01 01 14.2 | +63 55 05 | 9.98 | 9.3 | ~ | 50 | 0 | |||
7 | NGC 457 | OpC | 01 19 32.9 | +58 16 41 | 6.97 | 6.4 | ~ | 244 | 2 | |||
8 | M 103 | OpC | 01 33 21.4 | +60 39 32 | 7.72 | 7.4 | ~ | 201 | 0 | |||
9 | Cl Trumpler 1 | OpC | 01 35 40 | +61 17.0 | 8.35 | 8.1 | ~ | 102 | 0 | |||
10 | NGC 637 | OpC | 01 43 06 | +64 02.3 | 8.56 | 8.2 | ~ | 78 | 0 | |||
11 | NGC 663 | OpC | 01 46 21 | +61 12.7 | 7.78 | 7.1 | ~ | 255 | 0 | |||
12 | Cl Berkeley 7 | OpC | 01 54 11.0 | +62 21 58 | ~ | 44 | 0 | |||||
13 | NGC 1624 | OpC | 04 40 36.0 | +50 27 42 | 11.8 | ~ | 75 | 1 | ||||
14 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 17434 | 0 | ||||
15 | V* CV Mon | cC* | 06 37 04.8449178072 | +03 03 50.274557532 | 11.32 | 9.90 | 8.631 | ~ | 240 | 0 | ||
16 | ESO 428-24 | OpC | 07 22 56.2 | -29 30 07 | ~ | 37 | 0 | |||||
17 | Cl Lynga 6 | OpC | 16 04 52.3 | -51 57 36 | 10.28 | 9.5 | ~ | 89 | 0 | |||
18 | V* TW Nor | cC* | 16 04 55.2261513912 | -51 57 12.653328096 | 13.67 | 11.17 | ~ | 162 | 0 | |||
19 | V* QZ Nor | cC* | 16 11 20.4664528848 | -54 21 14.824796688 | 10.08 | 9.53 | 8.71 | 8.66 | G1Iab | 137 | 0 | |
20 | NGC 6067 | OpC | 16 13 11.8 | -54 13 37 | ~ | 211 | 0 | |||||
21 | V* V340 Nor | cC* | 16 13 17.3997630552 | -54 14 05.586545400 | 9.61 | 8.47 | 8.83 | G2Iab | 160 | 1 | ||
22 | C 1814-190 | Cl* | 18 16 51 | -19 01.8 | ~ | 3 | 1 | |||||
23 | V* WZ Sgr | cC* | 18 16 59.7160721616 | -19 04 32.989734840 | 9.10 | 7.45 | F7(III) | 252 | 0 | |||
24 | IC 4725 | OpC | 18 31 44.9 | -19 06 50 | ~ | 222 | 0 | |||||
25 | V* U Sgr | cC* | 18 31 53.3323107600 | -19 07 30.261459540 | 8.50 | 7.81 | 6.68 | 5.413 | G1Ib | 467 | 0 | |
26 | NGC 6649 | OpC | 18 33 26.2 | -10 23 56 | 10.35 | 8.9 | ~ | 134 | 0 | |||
27 | V* V367 Sct | cC* | 18 33 35.2353033192 | -10 25 38.126250552 | 13.34 | 11.580 | F7Ib | 175 | 0 | |||
28 | NGC 6664 | OpC | 18 36 30.0 | -08 11 38 | 8.81 | 7.8 | ~ | 122 | 0 | |||
29 | V* EV Sct | cC* | 18 36 39.6017483712 | -08 11 05.361288684 | 10.99 | 9.90 | F8Ib | 250 | 0 | |||
30 | V* RU Sct | cC* | 18 41 56.3818572048 | -04 06 38.376404820 | 10.17 | 8.82 | G5 | 201 | 0 | |||
31 | Cl Trumpler 35 | OpC | 18 42 57.8 | -04 12 54 | 10.44 | 9.2 | ~ | 75 | 0 | |||
32 | NGC 6823 | OpC | 19 43 10.6 | +23 19 16 | 7.71 | 7.1 | ~ | 270 | 2 | |||
33 | Ass Vul OB 1 | As* | 19 44.0 | +24 13 | ~ | 98 | 0 | |||||
34 | V* SV Vul | cC* | 19 51 30.9059845128 | +27 27 36.837672012 | 8.65 | 9.00 | 6.74 | 5.703 | F8Ia | 433 | 0 | |
35 | NGC 7538 | OpC | 23 13 37 | +61 30.0 | ~ | 881 | 1 | |||||
36 | NGC 7635 | HII | 23 20 48.3 | +61 12 06 | ~ | 172 | 2 | |||||
37 | V* CE Cas B | cC* | 23 58 09.1062438336 | +61 12 49.078923084 | 12.27 | 11.20 | F8Ib | 45 | 0 | |||
38 | V* CE Cas A | cC* | 23 58 09.4463569272 | +61 12 49.336242768 | 12.15 | 10.95 | F9Ib | 51 | 0 | |||
39 | V* CF Cas | cC* | 23 58 17.9760671064 | +61 13 15.821693832 | 12.72 | 10.80 | 9.700 | F8Ibv | 245 | 0 | ||
40 | NGC 7790 | OpC | 23 58 27.1 | +61 12 36 | 9.18 | 8.5 | ~ | 272 | 0 |
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