MOA 2023-BLG-277

Event Parameters

Internal ID:gb19-R-5-23382
Discovery date:2023-06-21T14:30:53
RA:18:17:56.68
Dec:-26:19:10.97
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
80991 18:17:56.46 -26:19:12.24 18.05 ± 0.09 4.21
81037 18:17:56.57 -26:19:14.50 18.74 ± 0.09 4.85
81053 18:17:56.60 -26:19:10.44 17.16 ± 0.06 1.71
81111 18:17:56.71 -26:19:12.15 15.55 ± 0.03 1.86
81208 18:17:56.97 -26:19:10.30 15.62 ± 0.14 3.52

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 19.03 ± 0.37 2.59
2460239.943 (2023-Oct-22.443) 19.46 ± 0.60 3.62
2460244.878 (2023-Oct-27.378) 18.36 ± 0.27 4.53
2460245.873 (2023-Oct-28.373) 18.51 ± 0.23 3.47
2460246.872 (2023-Oct-29.372) 19.33 ± 0.47 3.62

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

Single lens fit parameters

tmax =JD 2460133.16 ± 0.02 UT (2023-Jul-7.66)
tE =24.66 ± 0.64 days
u0 =0.1816 ± 0.0057
Ibase =17.46 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice