2009ApJ...701..514M

Query : 2009ApJ...701..514M

2009ApJ...701..514M - Astrophys. J., 701, 514-520 (2009/August-2)

Detection of thermal emission of XO-2b: evidence for a weak temperature inversion.

MACHALEK P., McCULLOUGH P.R., BURROWS A., BURKE C.J., HORA J.L. and JOHNS-KRULL C.M.

Abstract (from CDS):

We estimate flux ratios of the extrasolar planet XO-2b to its host star XO-2 at 3.6, 4.5, 5.8, and 8.0 µm with Infrared Array Camera on the Spitzer Space Telescope to be 0.00081±0.00017, 0.00098±0.00020, 0.00167±0.00036, and 0.00133±0.00049, respectively. The fluxes provide tentative evidence for a weak temperature inversion in the upper atmosphere, the precise nature of which would need to be confirmed by longer wavelength observations. XO-2b substellar flux of 0.76x109 erg/cm2/s lies in the predicted transition region between atmospheres with and without upper atmospheric temperature inversion.

Abstract Copyright: ∼

Journal keyword(s): binaries: eclipsing - infrared: stars - planetary systems - stars: individual: XO-2

Simbad objects: 21

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Number of rows : 21
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * ups And b Pl 01 36 47.8415443907 +41 24 19.651368029           ~ 284 1
2 BD+57 793b Pl 04 21 52.7048156328 +57 49 01.889294952           ~ 234 1
3 BD+50 1471b Pl 07 48 06.4723053776 +50 13 32.920598923           ~ 170 1
4 BD+50 1471 PM* 07 48 06.4723053776 +50 13 32.920598923   12.002 11.138 10.669 10.243 G9V 203 1
5 BD+50 1471B PM* 07 48 07.4814105508 +50 13 03.255439301   11.927 11.086 10.631 10.216 G9V 66 0
6 HD 80606 PM* 09 22 37.5768032712 +50 36 13.435326684   9.78 9.00     G8V 366 2
7 HD 80607 PM* 09 22 39.7366541424 +50 36 13.952919312   9.937 9.070     G5 114 2
8 NAME OGLE-TR-132b Pl 10 50 34.5943868112 -61 57 26.138690064           ~ 105 1
9 BD+28 2507 V* 16 02 11.8462322592 +28 10 10.420201452   11.88 11.25     G1V 118 1
10 BD+28 2507b Pl 16 02 11.8462322592 +28 10 10.420201452           ~ 195 1
11 HD 149026b Pl 16 30 29.6185771608 +38 20 50.308980864           ~ 388 1
12 TOI-2124b Pl 17 53 13.0489562760 +37 12 42.586493328           ~ 228 2
13 NAME OGLE-TR-56b Pl 17 56 35.5016678064 -29 32 21.479240220           ~ 202 1
14 NAME V672 Lyr b Pl 19 04 09.8515616256 +36 37 57.446680296           ~ 354 1
15 Kepler-1b Pl 19 07 14.0375836512 +49 18 59.091482160           ~ 349 2
16 HD 179949b Pl 19 15 33.2300695008 -24 10 45.671448072           ~ 135 1
17 HD 189733b Pl 20 00 43.7129433648 +22 42 39.073143456           ~ 1610 1
18 WASP-2b Pl 20 30 54.1282355304 +06 25 46.341284844           ~ 112 1
19 HD 197286 PM* 20 44 10.2208462488 -39 13 30.855881604   9.98 9.50     F5V 91 1
20 HD 209458b Pl 22 03 10.7727465312 +18 53 03.549393384           ~ 2037 1
21 BD+37 4734B PM* 22 57 46.8442481880 +38 40 30.358351704   10.82 9.87     G0V 189 1

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