MOA 2017-BLG-091

Event Parameters

Internal ID:gb10-R-4-36553
Discovery date:2017-03-15T17:43:05
RA:17:58:39.97
Dec:-27:41:13.65
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
138791 17:58:39.68 -27:41:12.62 18.96 ± 0.30 4.60
138872 17:58:39.84 -27:41:13.06 18.20 ± 0.12 2.35
138901 17:58:39.87 -27:41:15.55 20.36 ± 0.53 3.20
138902 17:58:39.87 -27:41:08.80 17.71 ± 0.14 4.79
139031 17:58:40.10 -27:41:17.26 17.06 ± 0.20 4.52
139032 17:58:40.10 -27:41:14.70 16.20 ± 0.20 2.12
139084 17:58:40.18 -27:41:11.94 16.56 ± 0.15 2.55
139136 17:58:40.25 -27:41:16.45 18.47 ± 0.19 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460518.908 (2024-Jul-27.408) 99.99 ± 99.99 3.40
2460518.920 (2024-Jul-27.420) 99.99 ± 99.99 3.26
2460518.930 (2024-Jul-27.430) 18.16 ± 1.82 2.62
2460519.046 (2024-Jul-27.546) 99.99 ± 99.99 2.86
2460519.050 (2024-Jul-27.550) 99.99 ± 99.99 3.62

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

Single lens fit parameters

tmax =JD 2457827.71 ± 0.27 UT (2017-Mar-15.21)
tE =29.76 ± 2.83 days
u0 =0.1813 ± 0.0324
Ibase =20.32 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice