2022MNRAS.515..928Z

Query : 2022MNRAS.515..928Z

2022MNRAS.515..928Z - Mon. Not. R. Astron. Soc., 515, 928-939 (2022/September-1)

Systematic KMTNet planetary anomaly search. IV. Complete sample of 2019 prime-field.

ZANG W., YANG H., HAN C., LEE C.-U., UDALSKI A., GOULD A., MAO S., ZHANG X., ZHU W., ALBROW M.D., CHUNG S.-J., HWANG K.-H., JUNG Y.K., RYU Y.-H., SHIN I.-G., SHVARTZVALD Y., YEE J.C., CHA S.-M., KIM D.-J., KIM H.-W., KIM S.-L., LEE D.-J., LEE Y., PARK B.-G., POGGE R.W., MROZ P., SKOWRON J., POLESKI R., SZYMANSKI M.K., SOSZYNSKI I., PIETRUKOWICZ P., KOZLOWSKI S., ULACZYK K., RYBICKI K.A., IWANEK P., WRONA M. and GROMADZKI M.

Abstract (from CDS):

We report the complete statistical planetary sample from the prime fields (Γ >= 2 h–1) of the 2019 Korea Microlensing Telescope Network (KMTNet) microlensing survey. We develop the optimized KMTNet AnomalyFinder algorithm and apply it to the 2019 KMTNet prime fields. We find a total of 13 homogeneously selected planets and report the analysis of three planetary events, KMT-2019-BLG-(1042,1552,2974). The planet-host mass ratios, q, for the three planetary events are 6.34 x 10–4, 4.89 x 10–3, and 6.18 x 10–4, respectively. A Bayesian analysis indicates the three planets are all cold giant planets beyond the snow line of their host stars. The 13 planets are basically uniform in log q over the range -5.0 < log q < -1.5. This result suggests that the planets below qbreak = 1.7 x 10–4 proposed by the MOA-II survey may be more common than previously believed. This work is an early component of a large project to determine the KMTNet mass-ratio function, and the whole sample of 2016-2019 KMTNet events should contain about 120 planets.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): gravitational lensing: micro - planets and satellites: detection

Simbad objects: 24

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Number of rows : 24
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 KMT-2018-BLG-0029 * 17 37 52.670 -27 59 04.92           ~ 18 0
2 KMT-2021-BLG-1253 Lev 17 50 28.130 -29 16 45.41           ~ 7 0
3 OGLE-2018-BLG-0506 * 17 50 31.000 -31 55 27.00           ~ 10 0
4 KMT-2018-BLG-0998 ** 17 50 59.890 -29 32 06.50           ~ 2 0
5 KMT-2019-BLG-2974 Lev 17 51 24.500 -29 25 23.38           ~ 2 0
6 OGLE-2019-BLG-0410 * 17 51 32.000 -29 33 56.00           ~ 8 0
7 OGLE-2019-BLG-0954 * 17 51 39.180 -29 36 39.60           ~ 11 0
8 OGLE BLG534.10 55232 Lev 17 53 20.99 -31 18 01.7           ~ 2 0
9 OGLE-2019-BLG-0763 * 17 53 50.030 -29 52 38.78           ~ 9 0
10 OGLE BLG506.25 97957 Lev 17 54 31.07 -30 10 10.5           ~ 2 0
11 KMT-2016-BLG-1816 * 17 54 58.130 -29 45 01.67           ~ 11 0
12 OGLE-2018-BLG-0677 * 17 55 00.270 -32 00 59.51           ~ 15 0
13 KMT-2019-BLG-1953 * 17 56 27.900 -28 12 04.00           ~ 14 0
14 OGLE BLG504.22 34811 Lev 17 56 59.17 -27 58 31.6           ~ 3 0
15 KMT-2019-BLG-0953 * 17 57 21.26 -28 40 28.7           ~ 2 0
16 OGLE-2019-BLG-1142 Lev 17 58 22.990 -27 34 00.98           ~ 3 0
17 OGLE-2018-BLG-0516 * 17 58 34.000 -31 15 45.00           ~ 8 0
18 OGLE-2019-BLG-1492 * 18 00 23.000 -28 37 52.00           ~ 5 0
19 OGLE-2019-BLG-1053 * 18 00 39.93 -27 20 29.7           ~ 12 0
20 OGLE-2019-BLG-1190 * 18 01 29.21 -28 46 37.7           ~ 12 0
21 KMT-2019-BLG-1042 * 18 02 10.570 -27 34 50.41           ~ 3 0
22 MOA 2012-BLG-527 * 18 08 04.62 -29 43 53.7           ~ 28 0
23 OGLE-2019-BLG-0960 * 18 16 03.43 -25 46 28.8           ~ 12 0
24 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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