Exposure
- ID
- GRAVI.2023-07-01T02:42:53.885_1
- Header ID
- GRAVI.2023-07-01T02:42:53.885
- Date updated
- 2023-07-01 03:01:09 UTC+0000
- Release date
- 2024-07-01 03:01:09 UTC+0000
- UTC Start
- 2023-07-01 02:42:53.885
- UTC End
- 2023-07-01 02:48:53.885
- MJD Start
- 60126.11312367
- MJD End
- 60126.1172903367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0079925
- Ambient temperature (°C)
- 19.57
- Seeing (arcsec)
- 0.52
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 | 56.5310 | 56.5430 | 17.8000 | 18.6000 |
| U1-U3 | 102.2350 | 102.2950 | 23.9000 | 24.8000 |
| U1-U4 | 128.0040 | 128.4450 | 51.2690 | 52.2150 |
| U2-U3 | 46.4150 | 46.4710 | 31.3000 | 32.2000 |
| U2-U4 | 86.6630 | 87.1630 | 72.3640 | 73.2560 |
| U3-U4 | 59.9750 | 60.3800 | 102.9050 | 103.6050 |
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 | 60126.11312367 |
| 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 | 56.531 |
| HIERARCH ESO ISS PBL12 END | 56.543 |
| HIERARCH ESO ISS PBLA12 START | 17.8 |
| HIERARCH ESO ISS PBLA12 END | 18.6 |
| HIERARCH ESO ISS PBL13 START | 102.235 |
| HIERARCH ESO ISS PBL13 END | 102.295 |
| HIERARCH ESO ISS PBLA13 START | 23.9 |
| HIERARCH ESO ISS PBLA13 END | 24.8 |
| HIERARCH ESO ISS PBL14 START | 128.004 |
| HIERARCH ESO ISS PBL14 END | 128.445 |
| HIERARCH ESO ISS PBLA14 START | 51.269 |
| HIERARCH ESO ISS PBLA14 END | 52.215 |
| HIERARCH ESO ISS PBL23 START | 46.415 |
| HIERARCH ESO ISS PBL23 END | 46.471 |
| HIERARCH ESO ISS PBLA23 START | 31.3 |
| HIERARCH ESO ISS PBLA23 END | 32.2 |
| HIERARCH ESO ISS PBL24 START | 86.663 |
| HIERARCH ESO ISS PBL24 END | 87.163 |
| HIERARCH ESO ISS PBLA24 START | 72.364 |
| HIERARCH ESO ISS PBLA24 END | 73.256 |
| HIERARCH ESO ISS PBL34 START | 59.975 |
| HIERARCH ESO ISS PBL34 END | 60.38 |
| HIERARCH ESO ISS PBLA34 START | 102.905 |
| HIERARCH ESO ISS PBLA34 END | 103.605 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007516 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008469 |
| HIERARCH ESO ISS AMBI TEMP | 19.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |