Exposure
- ID
- GRAVI.2023-07-04T04:37:58.012_1
- Header ID
- GRAVI.2023-07-04T04:37:58.012
- Date updated
- 2023-07-04 04:51:01 UTC+0000
- Release date
- 2024-07-04 04:51:01 UTC+0000
- UTC Start
- 2023-07-04 04:37:58.012
- UTC End
- 2023-07-04 04:43:58.012
- MJD Start
- 60129.19303255
- MJD End
- 60129.1971992167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037325
- Ambient temperature (°C)
- 12.02
- Seeing (arcsec)
- 1.165
Observation
- ID
- 56141
- 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
- 41588
- Name
- S4
- RA
- 266.416687
- DEC
- -29.0073
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.7060 | 55.5720 | 31.7000 | 32.3000 |
| U1-U3 | 100.5860 | 100.2750 | 38.1000 | 38.6000 |
| U1-U4 | 126.7120 | 125.9930 | 66.6510 | 67.3030 |
| U2-U3 | 45.6460 | 45.4670 | 45.9000 | 46.4000 |
| U2-U4 | 87.1200 | 86.5920 | 88.1460 | 88.9280 |
| U3-U4 | 61.5650 | 61.3180 | 118.0730 | 118.9880 |
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 | 60129.19303255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| 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 | 55.706 |
| HIERARCH ESO ISS PBL12 END | 55.572 |
| HIERARCH ESO ISS PBLA12 START | 31.7 |
| HIERARCH ESO ISS PBLA12 END | 32.3 |
| HIERARCH ESO ISS PBL13 START | 100.586 |
| HIERARCH ESO ISS PBL13 END | 100.275 |
| HIERARCH ESO ISS PBLA13 START | 38.1 |
| HIERARCH ESO ISS PBLA13 END | 38.6 |
| HIERARCH ESO ISS PBL14 START | 126.712 |
| HIERARCH ESO ISS PBL14 END | 125.993 |
| HIERARCH ESO ISS PBLA14 START | 66.651 |
| HIERARCH ESO ISS PBLA14 END | 67.303 |
| HIERARCH ESO ISS PBL23 START | 45.646 |
| HIERARCH ESO ISS PBL23 END | 45.467 |
| HIERARCH ESO ISS PBLA23 START | 45.9 |
| HIERARCH ESO ISS PBLA23 END | 46.4 |
| HIERARCH ESO ISS PBL24 START | 87.12 |
| HIERARCH ESO ISS PBL24 END | 86.592 |
| HIERARCH ESO ISS PBLA24 START | 88.146 |
| HIERARCH ESO ISS PBLA24 END | 88.928 |
| HIERARCH ESO ISS PBL34 START | 61.565 |
| HIERARCH ESO ISS PBL34 END | 61.318 |
| HIERARCH ESO ISS PBLA34 START | 118.073 |
| HIERARCH ESO ISS PBLA34 END | 118.988 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003277 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004188 |
| HIERARCH ESO ISS AMBI TEMP | 12.02 |
| HIERARCH ESO ISS AMBI FWHM START | 1.17 |
| HIERARCH ESO ISS AMBI FWHM END | 1.16 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |