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information_for_astronomers:user_guide:eb-hsa
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information_for_astronomers:user_guide:eb-hsa [2019/12/13 13:29] ubach |
information_for_astronomers:user_guide:eb-hsa [2022/07/20 10:28] (current) ubach |
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| ===== Using Effelsberg as part of the High Sensitivity Array (HSA) ===== | ===== Using Effelsberg as part of the High Sensitivity Array (HSA) ===== | ||
| - | The Effelsberg 100m radio telescope takes part in observations scheduled as part of the VLBI "High Sensitivity Array" (HSA). These are observations together with the NRAO VLBA and at least 2 of the following additional telescope: Effelsberg 100m, VLA (phased array), GBT, ARECIBO.\\ | + | The Effelsberg 100m radio telescope takes part in observations scheduled as part of the VLBI "High Sensitivity Array" (HSA). These are observations together with the NRAO VLBA and at least 2 of the following additional telescope: Effelsberg 100m, VLA (phased array), GBT.\\ |
| Effelsberg can be used at the HSA observing frequencies of 1.4/1.6, 5, 8.4, 15, 22 and 43 GHz. All these receivers have dual circular polarization. A 2.3 GHz receiver (RCP only) for geodetic S/X band observations is available as well. One can also propose Eb together with VLBA-only (using the same "instructions") under an older agreement. | Effelsberg can be used at the HSA observing frequencies of 1.4/1.6, 5, 8.4, 15, 22 and 43 GHz. All these receivers have dual circular polarization. A 2.3 GHz receiver (RCP only) for geodetic S/X band observations is available as well. One can also propose Eb together with VLBA-only (using the same "instructions") under an older agreement. | ||
| - Proposals should be submitted using the NRAO web-based proposal submission tool at the advertised NRAO proposal deadlines. (Select VLBA and EB in the HSA section for VLBA+EB only observations) | - Proposals should be submitted using the NRAO web-based proposal submission tool at the advertised NRAO proposal deadlines. (Select VLBA and EB in the HSA section for VLBA+EB only observations) | ||
| - | - Use the Walker/NRAO SCHED program for making the observing schedule, available from anonymous ftp at: ftp.aoc.nrao.edu Directory: pub/sched\\ The SCHED manual can be read at: [[http://www.aoc.nrao.edu/~cwalker/sched/sched.html]]\\ A special section on the RDBE at: [[http://www.aoc.nrao.edu/~cwalker/sched/RDBE_system.html]] | + | - Use the Walker/NRAO SCHED program for making the observing schedule, available from anonymous ftp at: ftp.aoc.nrao.edu Directory: pub/sched\\ The SCHED manual can be read at: [[http://www.aoc.nrao.edu/software/sched/]]\\ A special section on the RDBE at: [[http://www.aoc.nrao.edu/software/sched/#x1-300002.4.1]] |
| - | - All Effelsberg recordings will be made using the RDBE terminal and a MK5 disk recorder, as at the VLBA itself. Effelsberg has SCHED station name 'EB_RDBE'.\\ For further details regarding the RDBE, consult: [[https://science.nrao.edu/facilities/vlba/docs/manuals/oss/sig-proc/rdbe]] | + | - All Effelsberg recordings will be made using the RDBE terminal and a Mark6 disk recorder, as at the VLBA itself. Effelsberg has SCHED station name 'EB_RDBE'.\\ For further details regarding the RDBE, consult: [[https://science.nrao.edu/facilities/vlba/docs/manuals/oss/sig-proc/rdbe]] |
| - | - Deposit the schedule for EB_RDBE on the ASPEN file-server in Socorro, as for the VLBA schedule; the deadline is 2 weeks before the observation. The Effelsberg schedule will be retrieved from ASPEN by Effelsberg staff. | + | - The VLBI schedules including EB_RDBE should be send to vlbiobs@nrao.edu as the regular VLBA schedules are as well or via [[https://help.nrao.edu]]. The deadline is 2 weeks before the observation. The Effelsberg schedule will be retrieved from Socorro by Effelsberg staff. |
| * The Effelsberg Observing Friend, Uwe Bach (ubach<at>mpifr-bonn.mpg.de) must be notified if any emergency changes are made to the schedule after that time. | * The Effelsberg Observing Friend, Uwe Bach (ubach<at>mpifr-bonn.mpg.de) must be notified if any emergency changes are made to the schedule after that time. | ||
| - Frequency agility in Effelsberg is limited to those receivers mounted at the secondary focus (0.7, 1.3, 2, 4, 6, 13, 4/13 cm); changing between these receivers takes about 40 secs. All other receivers are mounted at the prime focus, where frequency agility is not possible.\\ Note that observations at 3 mm are only supported during Global 3mm VLBI Array Sessions (see [[http://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm]] ).\\ All receivers are dual RHC/LHC polarisation, except 13 cm which is RHC only. For further details consult: [[information_for_astronomers:rx_list|Receivers for the Effelsberg 100-m Telescope]] | - Frequency agility in Effelsberg is limited to those receivers mounted at the secondary focus (0.7, 1.3, 2, 4, 6, 13, 4/13 cm); changing between these receivers takes about 40 secs. All other receivers are mounted at the prime focus, where frequency agility is not possible.\\ Note that observations at 3 mm are only supported during Global 3mm VLBI Array Sessions (see [[http://www3.mpifr-bonn.mpg.de/div/vlbi/globalmm]] ).\\ All receivers are dual RHC/LHC polarisation, except 13 cm which is RHC only. For further details consult: [[information_for_astronomers:rx_list|Receivers for the Effelsberg 100-m Telescope]] | ||
information_for_astronomers/user_guide/eb-hsa.1576240172.txt.gz · Last modified: 2019/12/13 13:29 by ubach
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