2015A&A...584A...8M


Query : 2015A&A...584A...8M

2015A&A...584A...8M - Astronomy and Astrophysics, volume 584A, 8-8 (2015/12-1)

Phenomenological modelling of eclipsing system light curves.

MIKULALASEK Z.

Abstract (from CDS):

The observed light curves of most eclipsing binaries and stars with transiting planets can be described well and interpreted by current advanced physical models that also allow for determining many of the physical parameters of eclipsing systems. However, for several common practical tasks, there is no need to know the detailed physics of a variable star, but only the shapes of their light curves or other phase curves. We present a set of phenomenological models for the light curves of eclipsing systems. We express the observed light curves of eclipsing binaries and stars, which are transited by their exoplanets orbiting in circular trajectories, by a sum of special, analytical, few-parameter functions that enable fitting their light curves with an accuracy of better than 1%. The proposed set of phenomenological models of eclipsing variable light curves were then tested on several real systems. For XY Bootis, we also give a detailed comparison of the results obtained using our phenomenological modelling with those found using available physical models. We demonstrate that the proposed phenomenological models of transiting exoplanet and eclipsing binary light curves applied to ground-based photometric observations yield results compatible with those obtained by applying more complex physical models. The suggested phenomenological modelling appears useful for solving a number of common tasks in the field of eclipsing variable research.

Abstract Copyright:

Journal keyword(s): binaries: eclipsing - methods: miscellaneous - planets and satellites: general

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * 17 Aur EB* 05 18 18.8960529504 +33 46 02.516925540   6.102 6.144     B9V+B9.5V 295 0
2 V* XY UMa RS* 09 09 55.9354759992 +54 29 17.724193872       9.620   G5 244 0
3 V* W UMa EB* 09 43 45.4704536952 +55 57 09.061630668   8.54 7.75     G2Vn 649 1
4 V* SV Cen EB* 11 47 57.2198787264 -60 33 57.760436736 7.98 9.71 9.70 9.46 8.810 B1/3 142 0
5 V* EK Com EB* 12 51 21.4425318576 +27 13 46.997860080   13.00 12.166 12.175   K0V 63 0
6 V* XY Boo EB* 13 49 11.5666861776 +20 11 24.590393088   10.71 10.54     F5V 144 0
7 1SWASP J175207.01+373246.3 V* 17 52 07.0184259768 +37 32 46.237377840   13.114 12.402 12.06 11.603 G 65 1
8 TrES-3 Pl 17 52 07.0185036683 +37 32 46.237002085           ~ 214 2
9 PN A66 46 PN 18 31 18.5910709560 +26 56 12.110750088   14.88 15.07     O9k 165 0
10 V* AV Del EB* 20 45 31.4966435352 +11 10 26.475183552   12.36 11.77     F8 26 0
11 HD 209458 V* 22 03 10.7727465312 +18 53 03.549393384   8.21 7.63     F9V 1051 1
12 HD 209458b Pl 22 03 10.7729598762 +18 53 03.548248479           ~ 1684 1

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2022.08.08-02:51:37

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