Exposure
- ID
- GRAVI.2023-07-05T02:48:37.183_1
- Header ID
- GRAVI.2023-07-05T02:48:37.183
- Date updated
- 2023-07-05 03:05:40 UTC+0000
- Release date
- 2024-07-05 03:05:40 UTC+0000
- UTC Start
- 2023-07-05 02:48:37.183
- UTC End
- 2023-07-05 02:54:37.183
- MJD Start
- 60130.11709703
- MJD End
- 60130.1212636967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027885
- Ambient temperature (°C)
- 13.1
- Seeing (arcsec)
- 0.96
Observation
- ID
- 56146
- 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
- 41593
- Name
- S4
- RA
- 266.416855
- DEC
- -29.0073
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5590 | 20.5000 | 21.3000 |
| U1-U3 | 102.3960 | 102.4210 | 26.7000 | 27.5000 |
| U1-U4 | 129.2910 | 129.5770 | 54.3150 | 55.1920 |
| U2-U3 | 46.5730 | 46.6040 | 34.2000 | 35.1000 |
| U2-U4 | 88.1330 | 88.4720 | 75.2540 | 76.0980 |
| U3-U4 | 61.1760 | 61.4610 | 105.2310 | 105.9440 |
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 | 60130.11709703 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.5 |
| HIERARCH ESO ISS PBLA12 END | 21.3 |
| HIERARCH ESO ISS PBL13 START | 102.396 |
| HIERARCH ESO ISS PBL13 END | 102.421 |
| HIERARCH ESO ISS PBLA13 START | 26.7 |
| HIERARCH ESO ISS PBLA13 END | 27.5 |
| HIERARCH ESO ISS PBL14 START | 129.291 |
| HIERARCH ESO ISS PBL14 END | 129.577 |
| HIERARCH ESO ISS PBLA14 START | 54.315 |
| HIERARCH ESO ISS PBLA14 END | 55.192 |
| HIERARCH ESO ISS PBL23 START | 46.573 |
| HIERARCH ESO ISS PBL23 END | 46.604 |
| HIERARCH ESO ISS PBLA23 START | 34.2 |
| HIERARCH ESO ISS PBLA23 END | 35.1 |
| HIERARCH ESO ISS PBL24 START | 88.133 |
| HIERARCH ESO ISS PBL24 END | 88.472 |
| HIERARCH ESO ISS PBLA24 START | 75.254 |
| HIERARCH ESO ISS PBLA24 END | 76.098 |
| HIERARCH ESO ISS PBL34 START | 61.176 |
| HIERARCH ESO ISS PBL34 END | 61.461 |
| HIERARCH ESO ISS PBLA34 START | 105.231 |
| HIERARCH ESO ISS PBLA34 END | 105.944 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002508 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003069 |
| HIERARCH ESO ISS AMBI TEMP | 13.1 |
| HIERARCH ESO ISS AMBI FWHM START | 0.98 |
| HIERARCH ESO ISS AMBI FWHM END | 0.94 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |