Latest Images

Outlier rejection. The top two rows show the 8 ...

Outlier rejection. The top two rows show the 8 individual exposures that are used as inp...

Mohammad Akhlaghi et al, Research Notes of the AAS 10 9

Bottom: smartphone photo of Alpha Virginis = Sp...

Bottom: smartphone photo of Alpha Virginis = Spica taken from Cunha, São Paulo, Brazil o...

Idel Waisberg and Boaz Katz, Research Notes of the AAS 10 9

Left: encounter rate (Γd) as a function of look...

Left: encounter rate (Γd) as a function of lookback time for young stars formed in an ed...

Chunyang Cao et al, The Astrophysical Journal Letters 1009 1

Left column: initial (blue) and final (orange) ...

Left column: initial (blue) and final (orange) spatial distribution of the disk stars in...

Chunyang Cao et al, The Astrophysical Journal Letters 1009 1

Evolution of the modification factors of the re...

Evolution of the modification factors of the relaxation rate (top panel) and the scale h...

Chunyang Cao et al, The Astrophysical Journal Letters 1009 1

The distribution of inclination (θ) of the inci...

The distribution of inclination (θ) of the incident orbits for disk stars that encounter...

Chunyang Cao et al, The Astrophysical Journal Letters 1009 1

Left: evolution of the close-encounter rate at ...

Left: evolution of the close-encounter rate at r ≤ rlc = 200 au per disk star (γd), norm...

Chunyang Cao et al, The Astrophysical Journal Letters 1009 1

Main: localization of triggered (red) and untri...

Main: localization of triggered (red) and untriggered (blue) SGR J1935+2154 bursts with ...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

Left: the distribution of kT parameter of 386 s...

Left: the distribution of kT parameter of 386 spectra that prefer BB model is shown in b...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

The distributions of α [left] and Epeak [right]...

The distributions of α [left] and Epeak [right] parameters of 512 spectra that favor COM...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

The low and high kT distributions for the spect...

The low and high kT distributions for the spectra that prefer BB + BB model. Each prolif...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

R2 vs. kT trends of the burst spectra that are ...

R2 vs. kT trends of the burst spectra that are consistent with the BB + BB model for the...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

Occurrence times of events across the 17 yr obs...

Occurrence times of events across the 17 yr observation period. The coverage of the firs...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

R2 vs. kT trends of the burst spectra that only...

R2 vs. kT trends of the burst spectra that only preferred the single-BB (red) or BB + BB...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

Differential fluence distributions of bursts fr...

Differential fluence distributions of bursts from all sample (black), SGR J1935+2154 (or...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

Tbb distribution of all sample (black), SGR J19...

Tbb distribution of all sample (black), SGR J1935+2154 (orange), SGR J1550−5418 (green),...

Matt Godwin et al, The Astrophysical Journal Supplement Series 286 2

Change of energy bands caused by the degradatio...

Change of energy bands caused by the degradation of SiPMs on board GRBAlpha. The vertica...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

The complete figure set (426 images) is availab...

The complete figure set (426 images) is available in the online journal. Example light c...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Stacked bar charts showing the monthly detectio...

Stacked bar charts showing the monthly detection rate of transients observed by GRBAlpha...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Hardness ratio vs. T90 duration of transients o...

Hardness ratio vs. T90 duration of transients observed by GRBAlpha (top) and VZLUSAT-2 (...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Distributions of the peak flux P (left) and flu...

Distributions of the peak flux P (left) and fluence S (right) for different transient ty...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Example of a minute-long background spectral me...

Example of a minute-long background spectral measurement from 2025 April 23 taken by GRB...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Comparison of the peak flux P of GRBs observed ...

Comparison of the peak flux P of GRBs observed by GRBAlpha (left) and VZLUSAT-2 (right) ...

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Same as Figure 11 but showing fluence S instead...

Same as Figure 11 but showing fluence S instead of peak flux P.

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

Same as Figure 13 but showing fluence S instead...

Same as Figure 13 but showing fluence S instead of peak flux P.

Marianna Dafčíková et al, The Astrophysical Journal Supplement Series 286 2

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Updated Search and Sort

We have updated the search and sort algorithm to return records in reverse chronological order based on the date/time that the images were uploaded to the Astronomy Image Explorer. This is potentially but rarely different from the publication date. Thank you!