Exposure
- ID
- GRAVI.2023-08-03T02:12:04.204_1
- Header ID
- GRAVI.2023-08-03T02:12:04.204
- Date updated
- 2023-08-03 02:30:33 UTC+0000
- Release date
- 2024-08-03 02:30:33 UTC+0000
- UTC Start
- 2023-08-03 02:12:04.204
- UTC End
- 2023-08-03 02:18:04.204
- MJD Start
- 60159.09171532
- MJD End
- 60159.095881986665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00604
- Ambient temperature (°C)
- 18.67
- Seeing (arcsec)
- 0.49
Observation
- ID
- 56501
- Category
- science
- Program ID
- 111.24H1.004
- 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
- 41874
- Name
- S4
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1540 | 56.0670 | 29.1000 | 29.7000 |
| U1-U3 | 101.6190 | 101.4210 | 35.4000 | 36.1000 |
| U1-U4 | 129.0200 | 128.5970 | 63.7200 | 64.4170 |
| U2-U3 | 46.2350 | 46.1240 | 43.2000 | 43.8000 |
| U2-U4 | 88.7750 | 88.4810 | 84.8030 | 85.5760 |
| U3-U4 | 62.2970 | 62.1770 | 114.3310 | 115.1700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60159.09171532 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41687 |
| DEC | -29.00725 |
| 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 | 56.154 |
| HIERARCH ESO ISS PBL12 END | 56.067 |
| HIERARCH ESO ISS PBLA12 START | 29.1 |
| HIERARCH ESO ISS PBLA12 END | 29.7 |
| HIERARCH ESO ISS PBL13 START | 101.619 |
| HIERARCH ESO ISS PBL13 END | 101.421 |
| HIERARCH ESO ISS PBLA13 START | 35.4 |
| HIERARCH ESO ISS PBLA13 END | 36.1 |
| HIERARCH ESO ISS PBL14 START | 129.02 |
| HIERARCH ESO ISS PBL14 END | 128.597 |
| HIERARCH ESO ISS PBLA14 START | 63.72 |
| HIERARCH ESO ISS PBLA14 END | 64.417 |
| HIERARCH ESO ISS PBL23 START | 46.235 |
| HIERARCH ESO ISS PBL23 END | 46.124 |
| HIERARCH ESO ISS PBLA23 START | 43.2 |
| HIERARCH ESO ISS PBLA23 END | 43.8 |
| HIERARCH ESO ISS PBL24 START | 88.775 |
| HIERARCH ESO ISS PBL24 END | 88.481 |
| HIERARCH ESO ISS PBLA24 START | 84.803 |
| HIERARCH ESO ISS PBLA24 END | 85.576 |
| HIERARCH ESO ISS PBL34 START | 62.297 |
| HIERARCH ESO ISS PBL34 END | 62.177 |
| HIERARCH ESO ISS PBLA34 START | 114.331 |
| HIERARCH ESO ISS PBLA34 END | 115.17 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00718 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0049 |
| HIERARCH ESO ISS AMBI TEMP | 18.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |