Latest Images

The radio and X-ray light curves of the 2025 fl...

The radio and X-ray light curves of the 2025 flare from MJD 60646 to MJD 60814. The two ...

Ya Xing Li et al, The Astrophysical Journal 1004 2

Averaged PDS, averaged LS periodogram, and dyna...

Averaged PDS, averaged LS periodogram, and dynamic PDS of the observations on MJD 60765 ...

Ya Xing Li et al, The Astrophysical Journal 1004 2

The distributions of the maximum TR from each s...

The distributions of the maximum TR from each simulated data for the corresponding wave ...

Ya Xing Li et al, The Astrophysical Journal 1004 2

The basic geometry of a point-source, point-len...

The basic geometry of a point-source, point-lens (PSPL) microlensing event, including pa...

J. R. Lu et al, The Astronomical Journal 172 1

The BAGLE Python package includes microlensing ...

The BAGLE Python package includes microlensing event models, data, model fitters, and nu...

J. R. Lu et al, The Astronomical Journal 172 1

A microlensing event as viewed from heliocentri...

A microlensing event as viewed from heliocentric SSB (orange) and true geocentric (purpl...

J. R. Lu et al, The Astronomical Journal 172 1

A BAGLE model for a PSPL with a parallax with a...

A BAGLE model for a PSPL with a parallax with a dark lens of ML = 1 M⊙, μrel,⊙ = 4 mas y...

J. R. Lu et al, The Astronomical Journal 172 1

The on-sky photometry (top) and astrometry (mid...

The on-sky photometry (top) and astrometry (middle) for the PSPL event from Figure 3. Th...

J. R. Lu et al, The Astronomical Journal 172 1

Top: reproduced from Figure 1 of V. A. Belokuro...

Top: reproduced from Figure 1 of V. A. Belokurov & N. W. Evans (2002). The relative R.A....

J. R. Lu et al, The Astronomical Journal 172 1

Comparison of a simulated PSPL event without a ...

Comparison of a simulated PSPL event without a parallax between VBMicrolensing, pyLIMA, ...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison between BAGLE, VBMicrolensing, and p...

Comparison between BAGLE, VBMicrolensing, and pyLIMA for a simulated PSPL + parallax eve...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison of an FSPL lightcurve with a PSPL li...

Comparison of an FSPL lightcurve with a PSPL lightcurve. The FSPL model was computed wit...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison of a simulated PSPL event’s amplific...

Comparison of a simulated PSPL event’s amplification between VBMicrolensing, pyLIMA, MuL...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison of the source’s centroid shift betwe...

Comparison of the source’s centroid shift between a finite-source and a point-source eve...

J. R. Lu et al, The Astronomical Journal 172 1

The impact of blending on the photometry (top p...

The impact of blending on the photometry (top panel) and astrometry (middle, bottom pane...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison between BAGLE, pyLIMA, and VBMicrole...

Comparison between BAGLE, pyLIMA, and VBMicrolensing’s lensed image centroids for a simu...

J. R. Lu et al, The Astronomical Journal 172 1

The impact of changing the lens mass in BAGLE m...

The impact of changing the lens mass in BAGLE models for PSPL photometry (top) and astro...

J. R. Lu et al, The Astronomical Journal 172 1

The impact of changing the lens parallax in BAG...

The impact of changing the lens parallax in BAGLE models for PSPL photometry (top) and a...

J. R. Lu et al, The Astronomical Journal 172 1

Comparison between BAGLE and VBMicrolensing’s a...

Comparison between BAGLE and VBMicrolensing’s amplifications for a simulated FSPL event ...

J. R. Lu et al, The Astronomical Journal 172 1

Mock photometric (left) and astrometric (middle...

Mock photometric (left) and astrometric (middle and right) data are shown in black for a...

J. R. Lu et al, The Astronomical Journal 172 1

Predicted SNR on the measurement of πE based on...

Predicted SNR on the measurement of πE based on mock OGLE (left) and mock Roman (right) ...

J. R. Lu et al, The Astronomical Journal 172 1

Heliocentric SSB (⊙) vs. geo-tr (⊕r) parameters...

Heliocentric SSB (⊙) vs. geo-tr (⊕r) parameters for an event located toward the Galactic...

J. R. Lu et al, The Astronomical Journal 172 1

The observed trajectory on the sky is significa...

The observed trajectory on the sky is significantly impacted by blending as shown in the...

J. R. Lu et al, The Astronomical Journal 172 1

Geometry parameterization for our astrometric s...

Geometry parameterization for our astrometric shift calculation, with parameters defined...

J. R. Lu et al, The Astronomical Journal 172 1

Example of how we combine group catalogs to dis...

Example of how we combine group catalogs to discover calibrators that are in the same gr...

A. Carr et al, The Astrophysical Journal 1004 2

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