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Picture

Australian ESO Proposal Statistics

Period
101 (Apr - Sep 2018)
102 (Oct 2018 - Mar 2019)
103 (Apr - Sep 2019)
104 (Oct 2019 - Mar 2020)
105 (Apr - Sep 2020)
106 (Oct 2020 - Mar 2021)
No. of Australian-led proposals
55
43
44
34
49
58
Fraction of all ESO proposals
6.1%
4.7%
4.8%
3.7%
5.8%
5.4%
No. of runs requested [1]
79
72
71
43
71
74
No. of Large Programmes requested [2]
1
2
2
2
N/A
1
Service Mode hours requested
900
793
1325
1277
1082
1462
Visitor Mode hours requested
426
584
297
160
97
188
VLT/I hours requested
1136
921
1296
1251
1116
1190
VLT oversubscription [3]
3.1
4.3
3.2
3
2.3
~2.8
Top 3 requested instruments (Runs, requested, Hrs, requested)
FLAMES (23, 361);
MUSE (11, 173);
X-shooter (11, 157)
HARPS (13, 432);
FLAMES (18, 290);
MUSE (11, 192)
MUSE (12, 475);
FLAMES (19, 303);
X-shooter (10, 187)
MUSE (15, 810);
X-shooter (10, 124);
UVES/FLAMES (3, 96 each)
UVES (11, 325); MUSE (16, 222); X-shooter (10, 212)
MUSE (22, 537); X-shooter (8, 166); UVES (7, 116)
SM hours (Runs) allocated
264 (20)
205 (16)
262 (13)
364 (11)
530 (22)
479 (14)
VM hours (Runs) allocated
147 (7)
96 (3)
140 (4)
64 (3)
0
14 (1)
Total VLT/I time allocated
348.5 hrs
303 hrs
138 hrs
314 hrs
481 hrs
92 hrs [5]
Fraction of available VLT/I time [4]
8.1%
5.3%
2.5%
5.7%
11.2%
2.1% [5]
Notes to Table:
[1] A single proposal can request more than 1 run, e.g. 3 different instruments on 2 different telescopes = 3 runs.
[2] A Large Programme is one requiring a minimum of 100 hours of ESO telescope time, spread over 1 to 4 Periods. From Period 104 onwards, Large Programmes may only be submitted in even-numbered Periods.
[3] Since Australia has no set share of VLT time, the actual oversubscription is only known after the OPC has met.
[4] Fraction of all OPC-allocatable time on the 4 UTs (including VLTI time) allocated to Australian-led programmes. Since ~20% of VLT time goes to Chile, ESO staff, and PIs from non-member states, Australia's share of VLT time relative to ESO members states could be slightly greater than these numbers.
[5] New programs only; does not include the 114 hr of Australian Priority A programs from P105 carried over into P106 due to COVID shutdown, as well as the remaining 224 hrs of the MAGPI Large Program allocation from P104.
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