Overview
Time available on each of Gemini North and South is distributed according to the Observatory participants' shares. Engineering time is reserved each semester; this includes engineering time in the queue, instrument performance monitoring, engineering time to accommodate visiting instrumentation, and instrument commissioning. Any unused engineering time is returned to science. The science time includes time used for all Observing Modes, including standard semester programs (this call), limited-term partner (LTP) programs, Large and Long programs, Fast Turnaround programs, and Director's Discretionary time. The estimated time available for each participant and host institution is shown below. The time distribution assumes that participants involved in Large and Long Programs take their full 20%.
Gemini North 2022A
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8.8 nights (4.9%) are reserved for engineering, this includes: GNIRS IFU commissioning, engineering time in the queue, instrument performance monitoring, engineering time to accommodate visiting instrumentation, and instrument maintenance tasks.
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172.2 nights have been made available for science, which amounts to 95.1% of the total time available.
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The science time in 2022A also includes:
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8.5 nights for DD time,
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15.1 nights for the host institution (Univ. of Hawaii),
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0.7 nights for Limited Term Partners (Weizmann Institute of Science and Ben-Gurion University),
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5.0 nights for the MAROON-X instrument team, in exchange for community use of MAROON-X.
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The Table below shows the distribution of the time available per participant.
| Participant | Estimated Science Time Available (hours) | Time Reserved for Fast Turnaround programs (hours) [A] | Time Reserved for Large and Long Programs (hours) [B] | Estimated Time Available for this Call (hours) [C] |
| US | 927.9 | 99.2 | 143.8 | 684.9 |
| Canada | 253.2 | 26.7 | 38.9 | 187.6 |
| Argentina | 42.7 | 4.5 | 0 | 38.2 |
| Brazil | 91.0 | 9.6 | 0 | 81.4 |
| Korea | 98.2 | 10.4 | 0 | 87.8 |
| Univ. of Hawaii (host) | 167.2 | 16.7 | 0 | 150.5 |
[A] - 10% of the available time is contributed by all participants and the host institution (University of Hawaii) to the Fast Turnaround program.
[B] - Up to 20% of the available time is contributed by the United States, and Canada, to Large and Long Programs.
[C] - As this time also includes weather loss and time lost to faults, approximately 80% of this time is allocated to programs during the ITAC process, distributed across Bands 1, 2 and 3.
Gemini South 2022A
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7.4 nights (4.1%) are reserved for engineering, this includes: 1 night for FLAMINGOS-2+GeMS commissioning, engineering time in the queue, instrument performance monitoring, and instrument maintenance tasks.
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173.6 nights have been made available for science, which amounts to 95.9% of the total time available.
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The science time also includes:
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7.6 nights for DD time,
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16.2 nights for host institution (Chile),
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0.2 nights for Limited Term Partners (Ben-Gurion University),
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9.4 nights for the IGRINS team, for use of guaranteed time in exchange for IGRINS,
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2.0 nights of guaranteed time for the NGS2 team.
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The Table below shows the distribution of the time available per participant.
| Participant | Estimated Science Time Available (hours) | Time Reserved for Fast Turnaround programs (hours) [A] | Time Reserved for Large and Long Programs (hours) [B] | Estimated Time Available for this Call (hours) [C] |
| US | 906.3 | 95.9 | 105.6 | 707.3 |
| Canada | 245.7 | 25.9 | 28.5 | 192.0 |
| Argentina | 41.4 | 4.3 | 0 | 37.2 |
| Brazil | 88.4 | 9.4 | 0 | 79.3 |
| Korea | 95.3 | 10.1 | 0 | 85.5 |
| Chile (host) | 161.7 | 0 | 0 | 162.2 |
[A] - 10% of the available time is contributed by all participants, not including the host institution (Chile), to the Fast Turnaround program.
[B] - Up to 20% of the available time is contributed by the United States, and Canada, to Large and Long Programs.
[C] - As this time also includes weather loss and time lost to faults, approximately 80% of this time is allocated to programs during the ITAC process, distributed across Bands 1, 2 and 3.