MOA 2017-BLG-262

Event Parameters

Internal ID:gb17-R-4-18038
Discovery date:2017-05-20T18:57:04
RA:18:11:31.69
Dec:-27:48:40.24
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
186968 18:11:31.42 -27:48:40.17 17.00 ± 0.13 4.33
187070 18:11:31.52 -27:48:39.80 18.83 ± 0.50 2.96
187113 18:11:31.69 -27:48:35.37 18.14 ± 0.18 4.47
187144 18:11:31.74 -27:48:37.97 18.81 ± 0.22 1.74
187257 18:11:31.91 -27:48:41.96 15.05 ± 0.05 3.34

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 18.67 ± 0.79 2.92
2460245.931 (2023-Oct-28.431) 18.05 ± 0.39 3.27
2460246.862 (2023-Oct-29.362) 18.06 ± 0.45 3.49
2460246.903 (2023-Oct-29.403) 18.20 ± 0.51 3.30
2460246.931 (2023-Oct-29.431) 17.92 ± 0.48 3.70

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

Single lens fit parameters

tmax =JD 2457894.84 ± 0.08 UT (2017-May-21.34)
tE =30.95 ± 15.08 days
u0 =0.0627 ± 0.0759
Ibase =20.67 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice