Exposure
- ID
- GRAVI.2023-07-06T04:37:38.019_1
- Header ID
- GRAVI.2023-07-06T04:37:38.019
- Date updated
- 2023-07-06 04:55:32 UTC+0000
- Release date
- 2024-07-06 04:55:32 UTC+0000
- UTC Start
- 2023-07-06 04:37:38.019
- UTC End
- 2023-07-06 04:43:38.019
- MJD Start
- 60131.19280115
- MJD End
- 60131.1969678167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003819
- Ambient temperature (°C)
- 12.98
- Seeing (arcsec)
- 0.94
Observation
- ID
- 56155
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41602
- Name
- S4
- RA
- 266.416914
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.5510 | 55.4030 | 32.3000 | 32.9000 |
| U1-U3 | 100.2240 | 99.8810 | 38.7000 | 39.3000 |
| U1-U4 | 125.8750 | 125.0750 | 67.4020 | 68.0430 |
| U2-U3 | 45.4370 | 45.2390 | 46.5000 | 47.1000 |
| U2-U4 | 86.5050 | 85.9150 | 89.0480 | 89.8340 |
| U3-U4 | 61.2780 | 61.0010 | 119.1310 | 120.0680 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.19280115 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| DEC | -29.00711 |
| 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 | 55.551 |
| HIERARCH ESO ISS PBL12 END | 55.403 |
| HIERARCH ESO ISS PBLA12 START | 32.3 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 100.224 |
| HIERARCH ESO ISS PBL13 END | 99.881 |
| HIERARCH ESO ISS PBLA13 START | 38.7 |
| HIERARCH ESO ISS PBLA13 END | 39.3 |
| HIERARCH ESO ISS PBL14 START | 125.875 |
| HIERARCH ESO ISS PBL14 END | 125.075 |
| HIERARCH ESO ISS PBLA14 START | 67.402 |
| HIERARCH ESO ISS PBLA14 END | 68.043 |
| HIERARCH ESO ISS PBL23 START | 45.437 |
| HIERARCH ESO ISS PBL23 END | 45.239 |
| HIERARCH ESO ISS PBLA23 START | 46.5 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 86.505 |
| HIERARCH ESO ISS PBL24 END | 85.915 |
| HIERARCH ESO ISS PBLA24 START | 89.048 |
| HIERARCH ESO ISS PBLA24 END | 89.834 |
| HIERARCH ESO ISS PBL34 START | 61.278 |
| HIERARCH ESO ISS PBL34 END | 61.001 |
| HIERARCH ESO ISS PBLA34 START | 119.131 |
| HIERARCH ESO ISS PBLA34 END | 120.068 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003857 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003781 |
| HIERARCH ESO ISS AMBI TEMP | 12.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |