2020AJ....159..261P

Query : 2020AJ....159..261P

2020AJ....159..261P - Astron. J., 159, 261-261 (2020/June-0)

A wide-orbit exoplanet OGLE-2012-BLG-0838Lb.

POLESKI R., SUZUKI D., UDALSKI A., XIE X., YEE J.C., KOSHIMOTO N., GAUDI B.S., GOULD A., SKOWRON J., SZYMANSKI M.K., SOSZYNSKI I., PIETRUKOWICZ P., KOZLOWSKI S., WYRZYKOWSKI L., ULACZYK K., ABE F., BARRY R.K., BENNETT D.P., BHATTACHARYA A., BOND I.A., DONACHIE M., FUJII H., FUKUI A., ITOW Y., HIRAO Y., KAMEI Y., KONDO I., LI M.C.A., MATSUBARA Y., MIYAZAKI S., MURAKI Y., NAGAKANE M., RANC C., RATTENBURY N.J., SATOH Y.K., SHOJI H., SUEMATSU H., SULLIVAN D.J., SUMI T., TRISTRAM P.J., YAMAKAWA T., YAMAWAKI T., YONEHARA A., HAN C., DONG S., MORZINSKI K.M., MALES J.R., CLOSE L.M., POGGE R.W., BEAULIEU J.-P. and MARQUETTE J.-B.

Abstract (from CDS):

We present the discovery of a planet on a very wide orbit in the microlensing event OGLE-2012-BLG-0838. The signal of the planet is well separated from the main peak of the event and the planet-star projected separation is found to be twice the Einstein ring radius, which corresponds to a projected separation of ≃4 au. Similar planets around low-mass stars are very hard to find using any technique other than microlensing. We discuss microlensing model fitting in detail and discuss the prospects for measuring the mass and distance of the lens system directly.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Gravitational microlensing - Exoplanet detection methods - Extrasolar ice giants

VizieR on-line data: <Available at CDS (J/AJ/159/261): figure1.dat>

Simbad objects: 17

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Number of rows : 17
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 HD 30177c Pl 04 41 54.3737734560 -58 01 14.727688572           ~ 13 0
2 * rho01 Cnc e Pl 08 52 35.8111044043 +28 19 50.954994470           ~ 682 1
3 TWA 27B BD* 12 07 33.50 -39 32 54.4           L3 321 0
4 PSR B1257+12 Psr 13 00 03.1075 +12 40 55.155           ~ 546 1
5 KMT-2016-BLG-1107b Pl 17 45 40.260 -26 01 54.48           ~ 3 0
6 NAME EWS 2008-BLG-92Ab Pl 17 47 29.4593818584 -34 43 35.461182180           ~ 13 0
7 MOA 2016-BLG-350 BD? 17 55 23.50 -30 12 26.1           ~ 41 0
8 MOA 2011-BLG-133b Pl 17 57 15.7783191352 -28 14 01.888735332           ~ 2 0
9 OGLE-2002-BUL-055 PN 17 59 40.93 -27 07 18.2           ~ 13 0
10 OGLE-2012-BLG-0838 * 18 12 00.7378 -25 42 41.790           ~ 7 0
11 NAME EWS 2012-BLG-0838b Pl? 18 12 00.74 -25 42 41.8           ~ 2 0
12 Kepler-1654b Pl 18 48 44.5901545800 +44 26 04.072759440           ~ 7 0
13 Kepler-167e Pl 19 30 38.0261896920 +38 20 43.437246900           ~ 45 0
14 Kepler-1647b Pl 19 52 36.0203935200 +40 39 22.342749552           ~ 52 0
15 Kepler-186f Pl 19 54 36.6535147488 +43 57 18.025920324           ~ 94 0
16 HD 195689b Pl 20 31 26.3534153736 +39 56 19.773037500           ~ 358 0
17 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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