MOA 2021-BLG-085

Event Parameters

Internal ID:gb5-R-7-156767
Discovery date:2021-04-16T19:23:13
RA:17:56:53.87
Dec:-29:36:45.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
87275 17:56:54.17 -29:36:46.66 15.91 ± 0.03 4.78
87317 17:56:54.04 -29:36:43.07 15.24 ± 0.04 4.01
87341 17:56:54.00 -29:36:49.41 14.75 ± 0.10 4.52
87370 17:56:53.90 -29:36:45.79 16.00 ± 0.11 1.05
87413 17:56:53.74 -29:36:42.30 17.37 ± 0.11 3.82
87461 17:56:53.62 -29:36:48.51 15.74 ± 0.07 3.95

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 16.30 ± 0.09 5.13
2460611.918 (2024-Oct-28.418) 16.28 ± 0.13 5.69
2460614.862 (2024-Oct-31.362) 16.48 ± 0.17 5.51
2460614.868 (2024-Oct-31.368) 13.93 ± 0.11 6.50
2460614.872 (2024-Oct-31.372) 16.22 ± 0.08 4.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 36341.26)

Single lens fit parameters

tmax =JD 2459358.93 ± 0.04 UT (2021-May-24.43)
tE =32.88 ± 0.60 days
u0 =0.4292 ± 0.0125
Ibase =15.75 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice