MOA 2017-BLG-049

Event Parameters

Internal ID:gb20-R-7-7265
Discovery date:2017-02-23T17:12:08
RA:18:20:44.25
Dec:-23:58:51.87
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8138 18:20:44.24 -23:58:48.06 19.64 ± 0.28 4.60
8139 18:20:44.24 -23:58:56.35 18.71 ± 0.10 4.08
8172 18:20:44.22 -23:58:52.41 17.66 ± 0.09 0.14
8234 18:20:44.11 -23:58:49.57 17.75 ± 0.06 3.32
8259 18:20:44.05 -23:58:54.50 17.21 ± 0.07 3.04
8352 18:20:43.88 -23:58:52.00 18.73 ± 0.10 4.77

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 18.49 ± 0.41 3.49
2460244.877 (2023-Oct-27.377) 17.32 ± 0.15 4.26
2460245.871 (2023-Oct-28.371) 17.40 ± 0.11 3.28
2460246.850 (2023-Oct-29.350) 17.96 ± 0.25 3.49
2460246.871 (2023-Oct-29.371) 17.39 ± 0.10 3.44

Calibration: I = 27.40 - 2.5 log10(ΔF + 7892.23)

Single lens fit parameters

tmax =JD 2457812.79 ± 0.26 UT (2017-Feb-28.29)
tE =21.36 ± 2.64 days
u0 =0.7120 ± 0.1748
Ibase =17.05 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice