Exposure
- ID
- GRAVI.2023-08-31T01:08:05.511_1
- Header ID
- GRAVI.2023-08-31T01:08:05.511
- Date updated
- 2023-08-31 01:25:14 UTC+0000
- Release date
- 2024-08-31 01:25:14 UTC+0000
- UTC Start
- 2023-08-31 01:08:05.511
- UTC End
- 2023-08-31 01:14:05.511
- MJD Start
- 60187.04728601
- MJD End
- 60187.051452676664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004064
- Ambient temperature (°C)
- 14.58
- Seeing (arcsec)
- 0.87
Observation
- ID
- 56822
- Category
- science
- Program ID
- 111.24H1.005
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3010 | 55.1340 | 33.2000 | 33.8000 |
| U1-U3 | 99.6440 | 99.2540 | 39.6000 | 40.1000 |
| U1-U4 | 124.5210 | 123.6100 | 68.4540 | 69.0770 |
| U2-U3 | 45.1020 | 44.8770 | 47.4000 | 47.9000 |
| U2-U4 | 85.5040 | 84.8300 | 90.3480 | 91.1390 |
| U3-U4 | 60.8080 | 60.4910 | 120.6870 | 121.6540 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60187.04728601 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.301 |
| HIERARCH ESO ISS PBL12 END | 55.134 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.8 |
| HIERARCH ESO ISS PBL13 START | 99.644 |
| HIERARCH ESO ISS PBL13 END | 99.254 |
| HIERARCH ESO ISS PBLA13 START | 39.6 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.521 |
| HIERARCH ESO ISS PBL14 END | 123.61 |
| HIERARCH ESO ISS PBLA14 START | 68.454 |
| HIERARCH ESO ISS PBLA14 END | 69.077 |
| HIERARCH ESO ISS PBL23 START | 45.102 |
| HIERARCH ESO ISS PBL23 END | 44.877 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.504 |
| HIERARCH ESO ISS PBL24 END | 84.83 |
| HIERARCH ESO ISS PBLA24 START | 90.348 |
| HIERARCH ESO ISS PBLA24 END | 91.139 |
| HIERARCH ESO ISS PBL34 START | 60.808 |
| HIERARCH ESO ISS PBL34 END | 60.491 |
| HIERARCH ESO ISS PBLA34 START | 120.687 |
| HIERARCH ESO ISS PBLA34 END | 121.654 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004086 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004042 |
| HIERARCH ESO ISS AMBI TEMP | 14.58 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |