MOA 2021-BLG-285

Event Parameters

Internal ID:gb5-R-5-237168
Discovery date:2021-07-27T13:38:46
RA:17:53:50.43
Dec:-29:51:12.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
145838 17:53:50.37 -29:51:08.72 18.25 ± 0.21 3.53
145874 17:53:50.43 -29:51:07.10 16.84 ± 0.11 4.99
145892 17:53:50.45 -29:51:14.16 15.10 ± 0.08 2.49
145947 17:53:50.61 -29:51:11.78 16.64 ± 0.11 1.83
145972 17:53:50.65 -29:51:09.43 16.54 ± 0.10 3.46

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 99.99 ± 99.99 4.95
2460611.918 (2024-Oct-28.418) 99.99 ± 99.99 5.73
2460614.862 (2024-Oct-31.362) 21.39 ± 15.91 5.49
2460614.868 (2024-Oct-31.368) 99.99 ± 99.99 5.13
2460614.872 (2024-Oct-31.372) 18.78 ± 0.65 4.72

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459423.63 ± 0.01 UT (2021-Jul-28.13)
tE =12287.19 ± 10776.50 days
u0 =0.0001 ± 0.0010
Ibase =26.53 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice