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Inclusion of events & deadlines on the AAS Calendar is for viewer information only and does not
imply endorsement by the American Astronomical Society.
imply endorsement by the American Astronomical Society.
27
Apr
2026
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1
May
2026
28
Apr
2026
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29
Apr
2026
20
Apr
2026
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24
Apr
2026
20
Apr
2026
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22
Apr
2026
14
Apr
2026
7
Apr
2026
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9
Apr
2026
1
Apr
2026
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3
Apr
2026
10
Nov
2025
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14
Nov
2025
1
Nov
2025
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2
Nov
2025
AAS 247: Dependent Care Grant application deadline
Deadline
|
21 November 2025 (All day)
21
Nov
2025
AAS 247: FAMOUS Travel Grant application deadline
Deadline
|
17 November 2025 (All day)
17
Nov
2025
29
Sep
2025
—
2
Oct
2025
Recent Progress on Black Hole Spin Measurements Across the Electromagnetic and Gravitational Spectrum
Event
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25
–
26 September 2025
25
Sep
2025
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26
Sep
2025
23
Sep
2025
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26
Sep
2025
IAU Symposium 402: Massive Stars Across Redshifts in the Era of JWST and Large-Scale Surveys
Event
|
15
–
19 September 2025
15
Sep
2025
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19
Sep
2025