Exposure
- ID
- GRAVI.2023-07-04T05:59:19.233_1
- Header ID
- GRAVI.2023-07-04T05:59:19.233
- Date updated
- 2023-07-04 06:15:45 UTC+0000
- Release date
- 2024-07-04 06:15:45 UTC+0000
- UTC Start
- 2023-07-04 05:59:19.233
- UTC End
- 2023-07-04 06:05:19.233
- MJD Start
- 60129.24952816
- MJD End
- 60129.2536948267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023785
- Ambient temperature (°C)
- 12.17
- Seeing (arcsec)
- 1.205
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 | 53.0950 | 52.7910 | 37.7000 | 38.0000 |
| U1-U3 | 94.5380 | 93.8410 | 44.0000 | 44.3000 |
| U1-U4 | 112.6460 | 111.0490 | 74.2280 | 74.7920 |
| U2-U3 | 42.1610 | 41.7620 | 51.9000 | 52.2000 |
| U2-U4 | 76.8000 | 75.6520 | 98.5350 | 99.4620 |
| U3-U4 | 56.8620 | 56.3730 | 131.1800 | 132.4130 |
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 | 60129.24952816 |
| 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 | 53.095 |
| HIERARCH ESO ISS PBL12 END | 52.791 |
| HIERARCH ESO ISS PBLA12 START | 37.7 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 94.538 |
| HIERARCH ESO ISS PBL13 END | 93.841 |
| HIERARCH ESO ISS PBLA13 START | 44.0 |
| HIERARCH ESO ISS PBLA13 END | 44.3 |
| HIERARCH ESO ISS PBL14 START | 112.646 |
| HIERARCH ESO ISS PBL14 END | 111.049 |
| HIERARCH ESO ISS PBLA14 START | 74.228 |
| HIERARCH ESO ISS PBLA14 END | 74.792 |
| HIERARCH ESO ISS PBL23 START | 42.161 |
| HIERARCH ESO ISS PBL23 END | 41.762 |
| HIERARCH ESO ISS PBLA23 START | 51.9 |
| HIERARCH ESO ISS PBLA23 END | 52.2 |
| HIERARCH ESO ISS PBL24 START | 76.8 |
| HIERARCH ESO ISS PBL24 END | 75.652 |
| HIERARCH ESO ISS PBLA24 START | 98.535 |
| HIERARCH ESO ISS PBLA24 END | 99.462 |
| HIERARCH ESO ISS PBL34 START | 56.862 |
| HIERARCH ESO ISS PBL34 END | 56.373 |
| HIERARCH ESO ISS PBLA34 START | 131.18 |
| HIERARCH ESO ISS PBLA34 END | 132.413 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002731 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002026 |
| HIERARCH ESO ISS AMBI TEMP | 12.17 |
| HIERARCH ESO ISS AMBI FWHM START | 1.23 |
| HIERARCH ESO ISS AMBI FWHM END | 1.18 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |