MOA 2017-BLG-278

Event Parameters

Internal ID:gb13-R-5-69319
Discovery date:2017-05-23T11:49:14
RA:18:05:33.06
Dec:-29:51:15.06
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
132230 18:05:32.93 -29:51:14.24 17.69 ± 0.09 2.41
132332 18:05:33.13 -29:51:14.75 17.90 ± 0.09 0.42
132333 18:05:33.08 -29:51:11.69 17.49 ± 0.19 2.94
132400 18:05:33.24 -29:51:15.54 18.03 ± 0.09 2.15
132422 18:05:33.28 -29:51:17.51 18.60 ± 0.09 3.97
132423 18:05:33.30 -29:51:10.45 18.78 ± 0.18 4.98
132488 18:05:33.44 -29:51:13.10 19.06 ± 0.19 4.78

Last 5 photometry measurements

Observation dateI magseeing
2460570.990 (2024-Sep-17.490) 18.17 ± 0.20 3.86
2460571.023 (2024-Sep-17.523) 18.22 ± 0.26 4.15
2460571.045 (2024-Sep-17.545) 17.60 ± 0.24 4.42
2460572.896 (2024-Sep-19.396) 17.87 ± 0.07 3.61
2460572.936 (2024-Sep-19.436) 17.88 ± 0.11 4.42

Calibration: I = 27.40 - 2.5 log10(ΔF + 6321.21)

Single lens fit parameters

tmax =JD 2457896.04 ± 0.00 UT (2017-May-22.54)
tE =5.64 ± 0.24 days
u0 =0.1834 ± 0.0127
Ibase =18.27 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice