Exposure
- ID
- GRAVI.2023-09-02T01:58:07.799_1
- Header ID
- GRAVI.2023-09-02T01:58:07.799
- Date updated
- 2023-09-02 02:15:13 UTC+0000
- Release date
- 2024-09-02 02:15:13 UTC+0000
- UTC Start
- 2023-09-02 01:58:07.799
- UTC End
- 2023-09-02 02:04:07.799
- MJD Start
- 60189.08203471
- MJD End
- 60189.08620137667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030815
- Ambient temperature (°C)
- 11.31
- Seeing (arcsec)
- 0.7949999999999999
Observation
- ID
- 56837
- 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
- 42125
- Name
- S4
- RA
- 266.416848
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.3300 | 53.0390 | 37.4000 | 37.8000 |
| U1-U3 | 95.0790 | 94.4110 | 43.7000 | 44.0000 |
| U1-U4 | 113.8890 | 112.3540 | 73.7690 | 74.3340 |
| U2-U3 | 42.4710 | 42.0880 | 51.5000 | 51.9000 |
| U2-U4 | 77.6980 | 76.5900 | 97.8000 | 98.7060 |
| U3-U4 | 57.2500 | 56.7720 | 130.2060 | 131.4080 |
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 | 60189.08203471 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| DEC | -29.00725 |
| 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 | 53.33 |
| HIERARCH ESO ISS PBL12 END | 53.039 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 95.079 |
| HIERARCH ESO ISS PBL13 END | 94.411 |
| HIERARCH ESO ISS PBLA13 START | 43.7 |
| HIERARCH ESO ISS PBLA13 END | 44.0 |
| HIERARCH ESO ISS PBL14 START | 113.889 |
| HIERARCH ESO ISS PBL14 END | 112.354 |
| HIERARCH ESO ISS PBLA14 START | 73.769 |
| HIERARCH ESO ISS PBLA14 END | 74.334 |
| HIERARCH ESO ISS PBL23 START | 42.471 |
| HIERARCH ESO ISS PBL23 END | 42.088 |
| HIERARCH ESO ISS PBLA23 START | 51.5 |
| HIERARCH ESO ISS PBLA23 END | 51.9 |
| HIERARCH ESO ISS PBL24 START | 77.698 |
| HIERARCH ESO ISS PBL24 END | 76.59 |
| HIERARCH ESO ISS PBLA24 START | 97.8 |
| HIERARCH ESO ISS PBLA24 END | 98.706 |
| HIERARCH ESO ISS PBL34 START | 57.25 |
| HIERARCH ESO ISS PBL34 END | 56.772 |
| HIERARCH ESO ISS PBLA34 START | 130.206 |
| HIERARCH ESO ISS PBLA34 END | 131.408 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003018 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003145 |
| HIERARCH ESO ISS AMBI TEMP | 11.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |