Exposure
- ID
- GRAVI.2023-07-06T03:00:16.757_1
- Header ID
- GRAVI.2023-07-06T03:00:16.757
- Date updated
- 2023-07-06 03:16:16 UTC+0000
- Release date
- 2024-07-06 03:16:16 UTC+0000
- UTC Start
- 2023-07-06 03:00:16.757
- UTC End
- 2023-07-06 03:06:16.757
- MJD Start
- 60131.12519395
- MJD End
- 60131.1293606167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003961
- Ambient temperature (°C)
- 13.27
- Seeing (arcsec)
- 0.86
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 | 56.5520 | 56.5400 | 22.3000 | 23.1000 |
| U1-U3 | 102.4340 | 102.4260 | 28.6000 | 29.4000 |
| U1-U4 | 129.8920 | 130.0530 | 56.3890 | 57.2250 |
| U2-U3 | 46.6320 | 46.6400 | 36.2000 | 37.0000 |
| U2-U4 | 88.8620 | 89.0800 | 77.2600 | 78.0800 |
| U3-U4 | 61.8000 | 61.9990 | 106.9530 | 107.6850 |
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 | 60131.12519395 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.54 |
| HIERARCH ESO ISS PBLA12 START | 22.3 |
| HIERARCH ESO ISS PBLA12 END | 23.1 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.426 |
| HIERARCH ESO ISS PBLA13 START | 28.6 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 129.892 |
| HIERARCH ESO ISS PBL14 END | 130.053 |
| HIERARCH ESO ISS PBLA14 START | 56.389 |
| HIERARCH ESO ISS PBLA14 END | 57.225 |
| HIERARCH ESO ISS PBL23 START | 46.632 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.2 |
| HIERARCH ESO ISS PBLA23 END | 37.0 |
| HIERARCH ESO ISS PBL24 START | 88.862 |
| HIERARCH ESO ISS PBL24 END | 89.08 |
| HIERARCH ESO ISS PBLA24 START | 77.26 |
| HIERARCH ESO ISS PBLA24 END | 78.08 |
| HIERARCH ESO ISS PBL34 START | 61.8 |
| HIERARCH ESO ISS PBL34 END | 61.999 |
| HIERARCH ESO ISS PBLA34 START | 106.953 |
| HIERARCH ESO ISS PBLA34 END | 107.685 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003927 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003995 |
| HIERARCH ESO ISS AMBI TEMP | 13.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |