2000MNRAS.315..296A


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.06CET00:55:28

2000MNRAS.315..296A - Mon. Not. R. Astron. Soc., 315, 296-306 (2000/June-3)

The intermediate-band approach to the surface-brightness method for Cepheid radii and distance determination.

ARELLANO FERRO A. and ROSENZWEIG P.

Abstract (from CDS):

The surface-brightness parameter Fν is calibrated in terms of the Strömgren intermediate-band colour b-y. The relation Fν-(b-y)o valid for Cepheids is calibrated using accurate near-infrared radii and distances for selected Cepheids. We have obtained uvby photometry for non-Cepheid giant and supergiant stars with known angular diameters and compared the slope and zero-point of their Fν-(b-y)o relation with the Cepheid calibration. We found that the two calibrations are significantly different. The theoretical models lie in between the two calibrations. It is remarked that Fν-colour relations derived from non-Cepheids and involving blue colours (e.g. B-V or b-y) are not applicable to Cepheids, while those involving redder colours (e.g. V-R, V-K or V-J) also produce good radii for Cepheids. Selected Cepheids as calibrators lead to the accurate relation Fν=3.898(±0.003)-0.378(±0.006)(b-y)o, which allowed the calculation of radii and distances for a sample of 59 Galactic Cepheids. The uncertainties in the zero-point and slope of the above relation are similar to those obtained from near-infrared colours, and determine the accuracies in radii and distance calculations. While infrared light and colour curves for Cepheids may be superior in precision, the intermediate-band b-y colour allows the recovery of mean radii with an accuracy comparable to those obtained from the infrared solutions. The derived distances are consistent within the uncertainties with those predicted by a widely accepted period-luminosity relationship. Likewise, the resulting period-radius relation from the intermediate-band approach is in better agreement with infrared versions than with optical versions of this law. It is highlighted that the intermediate-band calibration of the surface-brightness method in this work is of comparable accuracy to the near-infrared calibrations. The present results stress the virtues of uvby in determining the physical parameters of supergiant stars of intermediate temperature.

Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): stars: distances - stars: fundamental parameters - Cepheids

Simbad objects: 99

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Number of rows : 99

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 V* TU Cas cC* 00 26 19.4484760999 +51 16 49.290847490   8.507 7.835     F4 194 0
2 * del And SB* 00 39 19.6751809 +30 51 39.678320 6.04 4.56 3.28 2.36 1.70 K3III-IIIbCN0.5 316 0
3 * bet And PM* 01 09 43.92388 +35 37 14.0075 5.58 3.62 2.05 0.81 -0.19 M0+IIIa 538 0
4 V* V636 Cas cC* 01 32 43.2247655304 +63 35 37.698927235   8.486 7.176     G0Ib 100 0
5 * ups Per PM* 01 37 59.5569926 +48 37 41.569533 6.29 4.85 3.57 2.61 1.96 K3-IIICN0.5 220 0
6 * alf Ari PM* 02 07 10.40570 +23 27 44.7032 4.29 3.17 2.01 1.15 0.54 K2-IIIbCa-1 609 1
7 * gam Tri PM* 02 17 18.8670335 +33 50 49.895049   4.03 4.00   4.05 A1Vnn 186 0
8 * eta Per * 02 50 41.8095904 +55 53 43.787576 7.38 5.48 3.79 2.56 1.67 K3-Ib-IIa 204 0
9 * alf Cet LP? 03 02 16.77307 +04 05 23.0596 6.10 4.17 2.53 1.18 0.02 M1.5IIIa 441 0
10 * iot Per PM* 03 09 04.0198629 +49 36 47.799638 4.76 4.64   3.7   G0V 508 0
11 * del Ari PM* 03 11 37.7646526 +19 43 36.039699 6.26 5.40 4.37 3.60 3.09 G9.5IIIb 175 0
12 * lam Per * 04 06 35.0435954 +50 21 04.549959 4.27 4.31 4.29 4.21 4.19 A0IVn 104 0
13 V* SW Tau WV* 04 24 32.9729177626 +04 07 24.079650708   10.23 9.33     A7 108 0
14 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1192 1
15 V* SZ Tau cC* 04 37 14.7778803229 +18 32 34.929341041 7.65 7.13 6.37     F6.7:Ib 291 0
16 V* AW Per cC* 04 47 46.3148651549 +36 43 22.033445140   8.46 7.51   6.200 F0+B6: 209 0
17 * zet Aur Al* 05 02 28.6873880 +41 04 33.019985 5.35 4.97 3.75 2.62 1.75 K5II+B7V 441 0
18 * zet Tau Be* 05 37 38.6854231 +21 08 33.158804 2.22 2.84 3.03 3.06 3.15 B1IVe_shell 701 0
19 * chi01 Ori RS* 05 54 22.9829893 +20 16 34.222038 5.08 5.00 4.40 3.90 3.59 G0V 808 0
20 V* RZ Gem cC* 06 02 36.5872523443 +22 14 02.947734335   10.83 9.91 9.68 8.679 F5 111 0
21 V* AA Gem cC* 06 06 34.9459286635 +26 19 45.205210801   11.0 9.91   8.540 K0 113 0
22 V* GQ Ori cC* 06 11 13.5830093624 +09 36 44.986218991   9.81 8.88   7.869 B 74 1
23 V* SV Mon cC* 06 21 26.3051049461 +06 28 12.577938993   9.32 8.28     G1Ib 162 0
24 * alf Car * 06 23 57.10988 -52 41 44.3810 -0.49 -0.59 -0.74 -0.96 -1.13 A9II 421 0
25 V* T Mon cC* 06 25 12.9997562821 +07 05 08.561189768 8.24 7.20 5.98   4.996 G3Iabv+A0p 450 1
26 * 48 Aur cC* 06 28 34.0875086 +30 29 34.914168 6.73 6.23 5.55   4.777 F5.5-G0Ib 365 0
27 V* DX Gem cC* 06 33 54.6101670962 +14 28 17.011049441   11.24 10.73     ~ 89 0
28 V* W Gem cC* 06 34 57.4524314200 +15 19 49.698631280 7.79 7.25 6.54   5.908 F5-G1 204 0
29 V* CV Mon cC* 06 37 04.8448658715 +03 03 50.276498200   11.32 9.90   8.631 ~ 217 0
30 * gam Gem SB* 06 37 42.71050 +16 23 57.4095 1.98 1.92 1.92 1.86 1.87 A1.5IV+ 490 0
31 * eps Gem V* 06 43 55.9262590 +25 07 52.051484 5.85 4.39 2.98 2.01 1.40 G8Ib 381 0
32 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1417 0
33 * zet Gem cC* 07 04 06.5307903 +20 34 13.073871 5.20 4.58 3.79   3.082 G1Ib 541 0
34 V* RY CMa cC* 07 16 37.6358131162 -11 29 14.298952423   8.99 8.19   7.133 F8Ib/II 147 0
35 V* RZ CMa cC* 07 21 32.8572494264 -16 41 14.000346928   10.75 9.72   8.477 F6 85 0
36 V* TW CMa cC* 07 22 02.3794845665 -14 19 05.497464410   10.40 9.59   8.429 F5 92 0
37 V* VX Pup Ce* 07 32 36.6488974993 -21 55 49.531917879   9.87 9.32 8.97   F3IV 127 0
38 V* X Pup cC* 07 32 47.0329487912 -20 54 34.881653031   9.56 8.46   7.143 K0 166 0
39 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1778 0
40 V* WX Pup cC* 07 41 59.0037016642 -25 52 34.251072461   9.99 9.09   7.944 G0 100 0
41 * bet Car PM* 09 13 11.97746 -69 43 01.9473 1.72 1.69 1.69 1.63 1.61 A1III- 215 0
42 * alf Lyn PM* 09 21 03.3007431 +34 23 33.224546 6.63 4.69 3.14 1.91 1.01 K6III 199 0
43 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 548 0
44 V* AL Vir WV* 14 11 09.0462360303 -13 18 38.439701066   10.13 9.10     F3/5III 80 0
45 V* BF Oph cC* 17 06 05.4979763004 -26 34 50.031704299 8.00 7.61 6.93   6.377 G0II 206 0
46 V* X Sgr cC* 17 47 33.6241002643 -27 49 50.848981593 5.84 5.34 4.54 6.03 3.661 F7II 314 0
47 V* Y Oph cC* 17 52 38.7021149511 -06 08 36.875163136 8.62 7.61 6.21     G3Ia 347 0
48 V* BL Her WV* 18 01 09.2241552984 +19 14 56.695123489   10.54 9.70     F0 159 0
49 * gam01 Sgr cC* 18 05 01.2265190154 -29 34 48.303215344 5.99 5.47 4.69   3.869 G0Ib/II 331 0
50 * 12 Sgr cC* 18 13 02.4957702081 -23 07 02.200799106 8.06 7.48 6.59   6.057 F7/8Ib/II 177 0
51 V* WZ Sgr cC* 18 16 59.7158915244 -19 04 32.989119557   9.10 7.45     F7(III) 233 0
52 V* Y Sgr cC* 18 21 22.9864295 -18 51 36.001763 7.31 6.69 5.75   4.810 F8II 274 0
53 V* U Sgr cC* 18 31 53.3321808602 -19 07 30.262730218 8.50 7.81 6.68   5.413 G1Ib 439 0
54 V* BQ Ser Ce* 18 36 15.9376665154 +04 23 53.692279873   10.49 9.21     F5III 100 0
55 V* EV Sct cC* 18 36 39.6017832876 -08 11 05.360422056   10.99 9.90     G0II 234 0
56 V* Y Sct cC* 18 38 03.3063888003 -08 22 08.162027440   11.2 9.69     F7 118 0
57 V* RU Sct cC* 18 41 56.3817508914 -04 06 38.375080426   10.17 8.82     G5 185 0
58 V* CM Sct cC* 18 42 26.8208730944 -05 20 27.045721232   11.93 10.93   9.406 ~ 73 0
59 V* SS Sct cC* 18 43 43.5114066939 -07 43 51.958881260   9.29 7.90   7.100 F8II 163 0
60 V* V350 Sgr cC* 18 45 17.4962010593 -20 38 50.571706956   8.321 7.450 8.41 6.421 F8Ib/II 200 0
61 V* YZ Sgr cC* 18 49 28.5888099835 -16 43 22.896473612 8.49 7.91 7.02   6.207 G2Ib 156 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 * del02 Lyr LP* 18 54 30.2833502 +36 53 55.013331 7.62 5.97 4.30 2.52 0.89 M4II 222 0
64 V* FF Aql cC* 18 58 14.7482217777 +17 21 39.295590199 6.61 6.18 5.38     F6Ib 347 0
65 V* TT Aql cC* 19 08 13.7497120770 +01 17 55.146226298 8.96 7.86 6.50   5.699 G0/2Ib 265 0
66 V* V496 Aql cC* 19 08 20.7712150568 -07 26 15.882592498   8.88 7.79     F8/G0Iab/b 164 0
67 V* FM Aql cC* 19 09 15.9901683300 +10 33 08.958768391 9.76 9.05 7.89   6.725 F2I 174 0
68 V* V600 Aql cC* 19 21 02.3456308417 +08 30 58.805711389   11.45 10.09   8.204 F8v 88 0
69 V* U Aql cC* 19 29 21.36028 -07 02 38.7099 8.41 7.71 6.61   5.270 F5I/II+B9.8V 265 0
70 V* U Vul cC* 19 36 37.7280897633 +20 19 58.569232928   8.368 7.162   5.556 F8Iab 215 0
71 V* SU Cyg cC* 19 44 48.7364497912 +29 15 52.894148064 7.10 6.88 6.44 6.06 5.84 F2Iab:+B8.0V 285 0
72 * gam Aql * 19 46 15.5802908 +10 36 47.740788 5.93 4.23 2.72 1.65 0.87 K3II 421 0
73 * del Sge SB* 19 47 23.2665287783 +18 32 03.520263112 6.20 5.23 3.82 2.37 1.08 M2II+B0V 195 0
74 V* SV Vul cC* 19 51 30.9059608126 +27 27 36.835645654 8.65 7.86 6.74   5.703 F8Ia 404 0
75 * eta Aql cC* 19 52 28.3677478 +01 00 20.369619 5.12 4.61 3.80   3.030 F6Iab+B9.8V 641 0
76 * 10 Sge cC* 19 56 01.2614273274 +16 38 05.236276391 6.45 6.03 5.36 6.81 4.789 F7Ib 332 0
77 V* X Vul cC* 19 57 28.6055727685 +26 33 23.281913956   10.16 8.87   7.147 F8Ia 156 0
78 V* CD Cyg cC* 20 04 26.5612846895 +34 06 44.187255455   9.35 8.35     F8-G5Iab-Ib 191 0
79 V* V402 Cyg cC* 20 09 07.7598168773 +37 09 07.085085598   10.9 9.87   8.674 G0III 87 0
80 * 31 Cyg Al* 20 13 37.9108031301 +46 44 28.738836638 5.50 5.08 3.80 2.83 2.07 K3Ib+B2IV-V 355 0
81 * omi02 Cyg Al* 20 15 28.3216287393 +47 42 51.221859715 6.54 5.50 3.98 2.78 1.86 K7Ib-II+B1V 322 0
82 V* SZ Cyg cC* 20 32 54.2939988595 +46 36 04.582313595   10.80 9.37   7.770 F7.5/8-G6.5Ib 143 0
83 V* X Cyg cC* 20 43 24.1918662954 +35 35 16.075732392 8.69 7.70 6.47   5.241 F7Ib 444 0
84 * eps Cyg ** 20 46 12.6823609 +33 58 12.924926 4.370 3.520 2.480 1.73 1.19 K0III 484 0
85 V* TX Del WV* 20 50 12.6956652311 +03 39 08.365333296   9.95 8.84     F8 98 0
86 V* T Vul cC* 20 51 28.2382502598 +28 15 01.816605372 6.89 6.49 5.77   5.061 F5Ib+A0.8V 324 0
87 * ksi Cyg SB* 21 04 55.8622910 +43 55 40.264460 7.17 5.39 3.73 2.55 1.63 K4.5Ib-II 298 0
88 V* DT Cyg cC* 21 06 30.2442673195 +31 11 04.765587914 6.70 6.38 5.82     F7II- 297 0
89 V* V459 Cyg cC* 21 10 54.3730291825 +49 08 31.399601861   11.76 10.54   8.845 F8 71 0
90 V* V386 Cyg cC* 21 14 40.4339518156 +41 42 58.844202279   11.12 9.75   7.750 F5.5-G0Ib 115 1
91 V* V532 Cyg cC* 21 20 32.9004138272 +45 28 03.017255074   10.08 9.11     F5 107 0
92 V* VZ Cyg cC* 21 51 41.4415144699 +43 08 02.538005456   10.02 8.60   7.948 G0 157 0
93 V* Y Lac cC* 22 09 02.8999210254 +51 02 45.083169239   9.79 9.13   8.292 F8 161 0
94 * zet Cep EB* 22 10 51.2769159 +58 12 04.545587 6.62 4.90 3.35 2.27 1.49 K1.5Ib 265 0
95 * del Cep cC* 22 29 10.2650184 +58 24 54.713856 4.71 4.35 3.75   3.219 F5Iab:+B7-8 688 0
96 V* Z Lac cC* 22 40 52.1456104219 +56 49 46.083960286   9.71 8.57   7.164 F6Ib 214 0
97 V* RR Lac cC* 22 41 26.5258632443 +56 25 58.029719396   9.68 8.87   7.786 K0 162 0
98 V* V Lac cC* 22 48 37.9957086435 +56 19 17.540249050   9.72 8.89   7.883 G5 152 0
99 V* X Lac cC* 22 49 03.1806947647 +56 25 41.530855473   9.21 8.42     G5 159 0

    Equat.    Gal    SGal    Ecl

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2021.03.06-00:55:28

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