Exposure
- ID
- GRAVI.2023-07-04T04:53:16.054_1
- Header ID
- GRAVI.2023-07-04T04:53:16.054
- Date updated
- 2023-07-04 05:06:00 UTC+0000
- Release date
- 2024-07-04 05:06:00 UTC+0000
- UTC Start
- 2023-07-04 04:53:16.054
- UTC End
- 2023-07-04 04:59:16.054
- MJD Start
- 60129.20365803
- MJD End
- 60129.2078246967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003817
- Ambient temperature (°C)
- 12.09
- Seeing (arcsec)
- 1.23
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 | 55.3710 | 55.2100 | 33.0000 | 33.5000 |
| U1-U3 | 99.8070 | 99.4310 | 39.4000 | 39.9000 |
| U1-U4 | 124.9040 | 124.0240 | 68.1740 | 68.8000 |
| U2-U3 | 45.1970 | 44.9790 | 47.2000 | 47.7000 |
| U2-U4 | 85.7880 | 85.1370 | 89.9960 | 90.7860 |
| U3-U4 | 60.9410 | 60.6350 | 120.2630 | 121.2200 |
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 | 60129.20365803 |
| 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 | 55.371 |
| HIERARCH ESO ISS PBL12 END | 55.21 |
| HIERARCH ESO ISS PBLA12 START | 33.0 |
| HIERARCH ESO ISS PBLA12 END | 33.5 |
| HIERARCH ESO ISS PBL13 START | 99.807 |
| HIERARCH ESO ISS PBL13 END | 99.431 |
| HIERARCH ESO ISS PBLA13 START | 39.4 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 124.904 |
| HIERARCH ESO ISS PBL14 END | 124.024 |
| HIERARCH ESO ISS PBLA14 START | 68.174 |
| HIERARCH ESO ISS PBLA14 END | 68.8 |
| HIERARCH ESO ISS PBL23 START | 45.197 |
| HIERARCH ESO ISS PBL23 END | 44.979 |
| HIERARCH ESO ISS PBLA23 START | 47.2 |
| HIERARCH ESO ISS PBLA23 END | 47.7 |
| HIERARCH ESO ISS PBL24 START | 85.788 |
| HIERARCH ESO ISS PBL24 END | 85.137 |
| HIERARCH ESO ISS PBLA24 START | 89.996 |
| HIERARCH ESO ISS PBLA24 END | 90.786 |
| HIERARCH ESO ISS PBL34 START | 60.941 |
| HIERARCH ESO ISS PBL34 END | 60.635 |
| HIERARCH ESO ISS PBLA34 START | 120.263 |
| HIERARCH ESO ISS PBLA34 END | 121.22 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004031 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003603 |
| HIERARCH ESO ISS AMBI TEMP | 12.09 |
| HIERARCH ESO ISS AMBI FWHM START | 1.16 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |