MOA 2018-BLG-171

Event Parameters

Internal ID:gb12-R-4-3205
Discovery date:2018-06-07T20:13:01
RA:18:05:32.01
Dec:-31:11:06.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
178262 18:05:31.72 -31:11:06.12 15.71 ± 0.19 4.43
178329 18:05:31.80 -31:11:03.50 16.92 ± 0.06 4.16
178381 18:05:31.89 -31:11:09.95 19.14 ± 0.10 4.88
178382 18:05:31.90 -31:11:07.69 17.71 ± 0.06 2.84
178430 18:05:32.02 -31:11:03.66 15.61 ± 0.05 2.24
178459 18:05:32.06 -31:11:05.87 16.13 ± 0.09 0.11
178619 18:05:32.32 -31:11:05.31 19.20 ± 0.13 3.57
178641 18:05:32.38 -31:11:08.01 18.68 ± 0.11 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 16.38 ± 0.06 4.17
2460245.869 (2023-Oct-28.369) 16.22 ± 0.04 3.11
2460245.912 (2023-Oct-28.412) 16.28 ± 0.04 3.19
2460246.868 (2023-Oct-29.368) 16.23 ± 0.04 3.62
2460246.916 (2023-Oct-29.416) 16.21 ± 0.04 3.29

Calibration: I = 27.40 - 2.5 log10(ΔF + 32270.08)

Single lens fit parameters

tmax =JD 2458311.57 ± 0.20 UT (2018-Jul-12.07)
tE =5.93 ± 16.59 days
u0 =9.5896 ± 7.3810
Ibase =9.14 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice