Exposure
- ID
- GRAVI.2023-07-06T02:02:04.604_1
- Header ID
- GRAVI.2023-07-06T02:02:04.604
- Date updated
- 2023-07-06 02:16:18 UTC+0000
- Release date
- 2024-07-06 02:16:18 UTC+0000
- UTC Start
- 2023-07-06 02:02:04.604
- UTC End
- 2023-07-06 02:08:04.604
- MJD Start
- 60131.08477551
- MJD End
- 60131.0889421767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036465
- Ambient temperature (°C)
- 13.43
- Seeing (arcsec)
- 0.855
Observation
- ID
- 56153
- 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
- 41600
- Name
- S4
- RA
- 266.41682
- DEC
- -29.00731
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4750 | 56.4940 | 15.0000 | 15.9000 |
| U1-U3 | 101.9890 | 102.0720 | 21.0000 | 21.9000 |
| U1-U4 | 126.2880 | 126.8570 | 48.0360 | 49.0540 |
| U2-U3 | 46.1930 | 46.2670 | 28.3000 | 29.2000 |
| U2-U4 | 84.7240 | 85.3690 | 69.3370 | 70.2870 |
| U3-U4 | 58.4030 | 58.9260 | 100.6470 | 101.3380 |
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 | 60131.08477551 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.475 |
| HIERARCH ESO ISS PBL12 END | 56.494 |
| HIERARCH ESO ISS PBLA12 START | 15.0 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 101.989 |
| HIERARCH ESO ISS PBL13 END | 102.072 |
| HIERARCH ESO ISS PBLA13 START | 21.0 |
| HIERARCH ESO ISS PBLA13 END | 21.9 |
| HIERARCH ESO ISS PBL14 START | 126.288 |
| HIERARCH ESO ISS PBL14 END | 126.857 |
| HIERARCH ESO ISS PBLA14 START | 48.036 |
| HIERARCH ESO ISS PBLA14 END | 49.054 |
| HIERARCH ESO ISS PBL23 START | 46.193 |
| HIERARCH ESO ISS PBL23 END | 46.267 |
| HIERARCH ESO ISS PBLA23 START | 28.3 |
| HIERARCH ESO ISS PBLA23 END | 29.2 |
| HIERARCH ESO ISS PBL24 START | 84.724 |
| HIERARCH ESO ISS PBL24 END | 85.369 |
| HIERARCH ESO ISS PBLA24 START | 69.337 |
| HIERARCH ESO ISS PBLA24 END | 70.287 |
| HIERARCH ESO ISS PBL34 START | 58.403 |
| HIERARCH ESO ISS PBL34 END | 58.926 |
| HIERARCH ESO ISS PBLA34 START | 100.647 |
| HIERARCH ESO ISS PBLA34 END | 101.338 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003499 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003794 |
| HIERARCH ESO ISS AMBI TEMP | 13.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |