Exposure
- ID
- GRAVI.2023-06-03T08:34:37.006_1
- Header ID
- GRAVI.2023-06-03T08:34:37.006
- Date updated
- 2023-06-03 08:50:31 UTC+0000
- Release date
- 2024-06-03 08:50:31 UTC+0000
- UTC Start
- 2023-06-03 08:34:37.006
- UTC End
- 2023-06-03 08:40:37.006
- MJD Start
- 60098.35737275
- MJD End
- 60098.3615394167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032345
- Ambient temperature (°C)
- 13.12
- Seeing (arcsec)
- 0.51
Observation
- ID
- 55641
- Category
- science
- Program ID
- 111.24H1.002
- 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
- 41204
- Name
- S4
- RA
- 266.416794
- DEC
- -29.00721
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.3740 | 50.9920 | 39.4000 | 39.7000 |
| U1-U3 | 90.6080 | 89.7390 | 45.6000 | 45.8000 |
| U1-U4 | 103.7160 | 101.7660 | 77.0880 | 77.6380 |
| U2-U3 | 39.9180 | 39.4240 | 53.5000 | 53.8000 |
| U2-U4 | 70.4640 | 69.1090 | 103.5660 | 104.6400 |
| U3-U4 | 54.2700 | 53.7510 | 137.8770 | 139.2950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.35737275 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| 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 | 51.374 |
| HIERARCH ESO ISS PBL12 END | 50.992 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.7 |
| HIERARCH ESO ISS PBL13 START | 90.608 |
| HIERARCH ESO ISS PBL13 END | 89.739 |
| HIERARCH ESO ISS PBLA13 START | 45.6 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.716 |
| HIERARCH ESO ISS PBL14 END | 101.766 |
| HIERARCH ESO ISS PBLA14 START | 77.088 |
| HIERARCH ESO ISS PBLA14 END | 77.638 |
| HIERARCH ESO ISS PBL23 START | 39.918 |
| HIERARCH ESO ISS PBL23 END | 39.424 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.464 |
| HIERARCH ESO ISS PBL24 END | 69.109 |
| HIERARCH ESO ISS PBLA24 START | 103.566 |
| HIERARCH ESO ISS PBLA24 END | 104.64 |
| HIERARCH ESO ISS PBL34 START | 54.27 |
| HIERARCH ESO ISS PBL34 END | 53.751 |
| HIERARCH ESO ISS PBLA34 START | 137.877 |
| HIERARCH ESO ISS PBLA34 END | 139.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002622 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003847 |
| HIERARCH ESO ISS AMBI TEMP | 13.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |