2023AJ....165..226J


Query : 2023AJ....165..226J

2023AJ....165..226J - Astron. J., 165, 226 (2023/June-0)

Systematic KMTNet Planetary Anomaly Search. VIII. Complete Sample of 2019 Subprime Field Planets.

JUNG Y.K., ZANG W., WANG H., HAN C., GOULD A., UDALSKI A. (The Lead Authors), ALBROW M.D., CHUNG S.-J., HWANG K.-H., RYU Y.-H., SHIN I.-G., SHVARTZVALD Y., YANG H., YEE J.C., CHA S.-M., KIM D.-J., KIM S.-L., LEE C.-U., LEE D.-J., LEE Y., PARK B.-G., POGGE R.W. (The KMTNet Collaboration), SZYMANSKI M.K., SKOWRON J., POLESKI R., SOSZYNSKI I., PIETRUKOWICZ P., KOZLOWSKI S., ULACZYK K., RYBICKI K.A., IWANEK P., WRONA M. (The OGLE Collaboration), GREEN J., HENNERLEY S., MARMONT A., MAO S., MAOZ D., McCORMICK J., NATUSCH T., PENNY M.T., PORRITT I., ZHU W. (The Tsinghua and μFUN Follow-Up Teams)

Abstract (from CDS):

We complete the publication of all microlensing planets (and “possible planets”) identified by the uniform approach of the KMT AnomalyFinder system in the 21 KMT subprime fields during the 2019 observing season, namely, KMT-2019-BLG-0298, KMT-2019-BLG-1216, KMT-2019-BLG-2783, OGLE-2019-BLG-0249, and OGLE-2019-BLG-0679 (planets), as well as OGLE-2019-BLG-0344 and KMT-2019-BLG-0304 (possible planets). The five planets have mean log mass ratio measurements of (-2.6, -3.6, -2.5, -2.2, -2.3), median mass estimates of (1.81, 0.094, 1.16, 7.12, 3.34) MJup, and median distance estimates of (6.7, 2.7, 5.9, 6.4, 5.6) kpc, respectively. The main scientific interest of these planets is that they complete the AnomalyFinder sample for 2019, which has a total of 25 planets that are likely to enter the statistical sample. We find statistical consistency with the previously published 33 planets from the 2018 AnomalyFinder analysis according to an ensemble of five tests. Of the 58 planets from 2018-2019, 23 were newly discovered by AnomalyFinder. Within statistical precision, half of the planets have caustic crossings, while half do not; an equal number of detected planets result from major- and minor-image light-curve perturbations; and an equal number come from KMT prime fields versus subprime fields.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet detection methods - Gravitational microlensing - Gravitational microlensing exoplanet detection

Simbad objects: 26

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Number of rows : 26
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 OGLE-2019-BLG-0344 Lev 17 23 52.380 -29 32 48.59           ~ 1 0
2 OGLE-2019-BLG-0362 Lev 17 33 51.66 -24 48 37.3           ~ 1 0
3 OGLE-2019-BLG-0445 Lev 17 39 30.720 -27 38 17.30           ~ 1 0
4 KMT-2019-BLG-0304 Lev 17 41 18.700 -32 31 47.82           ~ 1 0
5 OGLE-2019-BLG-0249 Lev 17 41 36.840 -34 42 06.30           ~ 2 0
6 OGLE-2019-BLG-0679 Lev 17 42 57.700 -27 46 22.37           ~ 3 0
7 OGLE-2019-BLG-0468 * 17 45 37.44 -24 26 50.2           G 14 0
8 NAME EWS 2019-BLG-0468b Pl? 17 45 37.44 -24 26 50.2           ~ 3 0
9 NAME EWS 2019-BLG-0468c Pl? 17 45 37.44 -24 26 50.2           ~ 3 0
10 OGLE-2019-BLG-0299 * 17 46 43.070 -23 35 03.52           ~ 5 0
11 OGLE-2005-BLG-071 * 17 50 09.77 -34 40 23.5           ~ 62 1
12 OGLE-2018-BLG-0962 * 17 52 41.95 -32 18 33.3           ~ 9 0
13 OGLE-2019-BLG-1033 Lev 17 53 55.350 -35 08 11.90           ~ 1 0
14 2MASS J17544337-2844214 * 17 54 43.3746243771 -28 44 21.394424553           ~ 8 0
15 MOA 2016-BLG-350 BD? 17 55 23.50 -30 12 26.1           ~ 41 0
16 KMT-2019-BLG-0414 Lev 17 55 24.700 -21 53 43.94           ~ 4 0
17 KMT-2019-BLG-2783 Lev 17 57 10.060 -33 47 18.67           ~ 1 0
18 OGLE-2007-BLG-050 * 17 58 19.39 -28 38 59.0           ~ 11 0
19 OGLE-2008-BLG-279 * 17 58 36.17 -30 22 08.4           GV 20 0
20 OGLE-2019-BLG-1250 Lev 18 02 09.010 -29 24 53.60           ~ 5 0
21 KMT-2021-BLG-1391 Lev 18 02 44.060 -28 03 37.80           ~ 11 0
22 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3
23 OGLE-2019-BLG-1470 Lev 18 07 47.81 -27 02 00.8           ~ 4 0
24 KMT-2019-BLG-1367 Lev 18 09 53.120 -29 45 43.96           ~ 4 0
25 OGLE-2019-BLG-0960 * 18 16 03.43 -25 46 28.8           ~ 12 0
26 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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