MOA 2021-BLG-170

Event Parameters

Internal ID:gb9-R-8-67781
Discovery date:2021-06-09T10:37:58
RA:18:02:00.81
Dec:-29:06:59.75
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
30933 18:02:01.10 -29:06:59.61 18.96 ± 0.25 4.66
31090 18:02:00.77 -29:06:59.92 18.75 ± 0.13 0.44
31091 18:02:00.93 -29:07:03.89 13.79 ± 0.06 4.27
31133 18:02:00.68 -29:07:04.18 16.75 ± 0.17 4.11
31155 18:02:00.65 -29:06:56.51 16.70 ± 0.15 4.27
31177 18:02:00.57 -29:07:03.18 17.38 ± 0.10 3.96
31219 18:02:00.50 -29:06:59.52 18.35 ± 0.16 3.71

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 19.60 ± 0.61 3.53
2460246.896 (2023-Oct-29.396) 18.67 ± 0.25 3.20
2460246.906 (2023-Oct-29.406) 19.48 ± 0.69 3.46
2460246.918 (2023-Oct-29.418) 18.69 ± 0.35 3.53
2460246.927 (2023-Oct-29.427) 19.49 ± 0.72 3.61

Calibration: I = 27.40 - 2.5 log10(ΔF + 2889.35)

Single lens fit parameters

tmax =JD 2459373.28 ± 0.03 UT (2021-Jun-7.78)
tE =14.84 ± 1.45 days
u0 =0.1271 ± 0.0157
Ibase =19.24 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice