Exposure
- ID
- GRAVI.2023-07-01T04:02:18.100_1
- Header ID
- GRAVI.2023-07-01T04:02:18.100
- Date updated
- 2023-07-01 04:16:15 UTC+0000
- Release date
- 2024-07-01 04:16:15 UTC+0000
- UTC Start
- 2023-07-01 04:02:18.100
- UTC End
- 2023-07-01 04:08:18.100
- MJD Start
- 60126.16826505
- MJD End
- 60126.1724317167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007372
- Ambient temperature (°C)
- 18.7
- Seeing (arcsec)
- 0.49
Observation
- ID
- 56087
- 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
- 41538
- Name
- S4
- RA
- 266.416858
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3570 | 56.2980 | 27.1000 | 27.8000 |
| U1-U3 | 102.0730 | 101.9450 | 33.5000 | 34.1000 |
| U1-U4 | 129.9000 | 129.6730 | 61.5660 | 62.2960 |
| U2-U3 | 46.4850 | 46.4160 | 41.2000 | 41.9000 |
| U2-U4 | 89.3310 | 89.2010 | 82.4880 | 83.2610 |
| U3-U4 | 62.4700 | 62.4450 | 111.9080 | 112.7010 |
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 | 60126.16826505 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| 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 | 56.357 |
| HIERARCH ESO ISS PBL12 END | 56.298 |
| HIERARCH ESO ISS PBLA12 START | 27.1 |
| HIERARCH ESO ISS PBLA12 END | 27.8 |
| HIERARCH ESO ISS PBL13 START | 102.073 |
| HIERARCH ESO ISS PBL13 END | 101.945 |
| HIERARCH ESO ISS PBLA13 START | 33.5 |
| HIERARCH ESO ISS PBLA13 END | 34.1 |
| HIERARCH ESO ISS PBL14 START | 129.9 |
| HIERARCH ESO ISS PBL14 END | 129.673 |
| HIERARCH ESO ISS PBLA14 START | 61.566 |
| HIERARCH ESO ISS PBLA14 END | 62.296 |
| HIERARCH ESO ISS PBL23 START | 46.485 |
| HIERARCH ESO ISS PBL23 END | 46.416 |
| HIERARCH ESO ISS PBLA23 START | 41.2 |
| HIERARCH ESO ISS PBLA23 END | 41.9 |
| HIERARCH ESO ISS PBL24 START | 89.331 |
| HIERARCH ESO ISS PBL24 END | 89.201 |
| HIERARCH ESO ISS PBLA24 START | 82.488 |
| HIERARCH ESO ISS PBLA24 END | 83.261 |
| HIERARCH ESO ISS PBL34 START | 62.47 |
| HIERARCH ESO ISS PBL34 END | 62.445 |
| HIERARCH ESO ISS PBLA34 START | 111.908 |
| HIERARCH ESO ISS PBLA34 END | 112.701 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006705 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008039 |
| HIERARCH ESO ISS AMBI TEMP | 18.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |