Exposure
- ID
- GRAVI.2023-07-06T03:14:55.797_1
- Header ID
- GRAVI.2023-07-06T03:14:55.797
- Date updated
- 2023-07-06 03:31:26 UTC+0000
- Release date
- 2024-07-06 03:31:26 UTC+0000
- UTC Start
- 2023-07-06 03:14:55.797
- UTC End
- 2023-07-06 03:20:55.797
- MJD Start
- 60131.13536802
- MJD End
- 60131.1395346867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037605
- Ambient temperature (°C)
- 13.22
- Seeing (arcsec)
- 0.915
Observation
- ID
- 56154
- 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
- 41601
- Name
- S4
- RA
- 266.416585
- DEC
- -29.00715
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5170 | 56.4910 | 24.0000 | 24.8000 |
| U1-U3 | 102.3940 | 102.3500 | 30.4000 | 31.1000 |
| U1-U4 | 130.1760 | 130.2100 | 58.2470 | 59.0440 |
| U2-U3 | 46.6360 | 46.6200 | 38.0000 | 38.8000 |
| U2-U4 | 89.2790 | 89.3790 | 79.0930 | 79.8930 |
| U3-U4 | 62.1990 | 62.3190 | 108.6110 | 109.3620 |
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 | 60131.13536802 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416585 |
| DEC | -29.00715 |
| 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 | 56.517 |
| HIERARCH ESO ISS PBL12 END | 56.491 |
| HIERARCH ESO ISS PBLA12 START | 24.0 |
| HIERARCH ESO ISS PBLA12 END | 24.8 |
| HIERARCH ESO ISS PBL13 START | 102.394 |
| HIERARCH ESO ISS PBL13 END | 102.35 |
| HIERARCH ESO ISS PBLA13 START | 30.4 |
| HIERARCH ESO ISS PBLA13 END | 31.1 |
| HIERARCH ESO ISS PBL14 START | 130.176 |
| HIERARCH ESO ISS PBL14 END | 130.21 |
| HIERARCH ESO ISS PBLA14 START | 58.247 |
| HIERARCH ESO ISS PBLA14 END | 59.044 |
| HIERARCH ESO ISS PBL23 START | 46.636 |
| HIERARCH ESO ISS PBL23 END | 46.62 |
| HIERARCH ESO ISS PBLA23 START | 38.0 |
| HIERARCH ESO ISS PBLA23 END | 38.8 |
| HIERARCH ESO ISS PBL24 START | 89.279 |
| HIERARCH ESO ISS PBL24 END | 89.379 |
| HIERARCH ESO ISS PBLA24 START | 79.093 |
| HIERARCH ESO ISS PBLA24 END | 79.893 |
| HIERARCH ESO ISS PBL34 START | 62.199 |
| HIERARCH ESO ISS PBL34 END | 62.319 |
| HIERARCH ESO ISS PBLA34 START | 108.611 |
| HIERARCH ESO ISS PBLA34 END | 109.362 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003687 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003834 |
| HIERARCH ESO ISS AMBI TEMP | 13.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |