2011A&A...532A..24N

Query : 2011A&A...532A..24N

2011A&A...532A..24N - Astronomy and Astrophysics, volume 532A, 24-24 (2011/8-1)

TASTE II. A new observational study of transit time variations in HAT-P-13b.

NASCIMBENI V., PIOTTO G., BEDIN L.R., DAMASSO M., MALAVOLTA L. and BORSATO L.

Abstract (from CDS):

TASTE (The Asiago Search for Transit timing variations of Exoplanets) project is collecting high-precision, short-cadence light curves for a selected sample of transiting exoplanets. It has been claimed that the hot jupiter HAT-P-13b suddenly deviated from a linear ephemeris by ∼20min, implying that there is a perturber in the system. Using five new transits, we discuss the plausibility of this transit time variation (TTV), and show that a periodic signal should not be excluded. More follow-up observations are required to constrain the mass and the orbit of the hypothetical perturber.

Abstract Copyright: ∼

Journal keyword(s): techniques: photometric - planetary systems - stars: individual: HAT-P-13

VizieR on-line data: <Available at CDS (J/A+A/532/A24): hat13.dat>

CDS comments: Paragraph 1. HAT-P-3c is a probable misprint for HAT-P-13c.

Simbad objects: 8

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Number of rows : 8
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 TYC 3416-1608-1 * 08 39 18.6802311216 +47 24 42.216806124   11.22 10.74     ~ 1 0
2 HAT-P-13 * 08 39 31.8072358440 +47 21 07.273799280   11.15 10.42 10.40   G4 136 2
3 HAT-P-13b Pl 08 39 31.8072358440 +47 21 07.273799280           ~ 115 1
4 HAT-P-13c Pl 08 39 31.8072358440 +47 21 07.273799280           ~ 51 1
5 BD+35 3293b Pl 18 34 31.6252443960 +35 39 41.491899468           ~ 118 1
6 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 351 1
7 WASP-10b Pl 23 15 58.3006181424 +31 27 46.296056268           ~ 111 1
8 WASP-5b Pl 23 57 23.7564672192 -41 16 37.743700800           ~ 97 1

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