Exposure
- ID
- GRAVI.2023-09-02T01:01:25.655_1
- Header ID
- GRAVI.2023-09-02T01:01:25.655
- Date updated
- 2023-09-02 01:15:13 UTC+0000
- Release date
- 2024-09-02 01:15:13 UTC+0000
- UTC Start
- 2023-09-02 01:01:25.655
- UTC End
- 2023-09-02 01:07:25.655
- MJD Start
- 60189.04265804
- MJD End
- 60189.04682470667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029785000000000002
- Ambient temperature (°C)
- 11.33
- Seeing (arcsec)
- 0.77
Observation
- ID
- 56837
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42125
- Name
- S4
- RA
- 266.416848
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.2720 | 55.1020 | 33.3000 | 33.9000 |
| U1-U3 | 99.5760 | 99.1810 | 39.7000 | 40.2000 |
| U1-U4 | 124.3630 | 123.4380 | 68.5670 | 69.1890 |
| U2-U3 | 45.0630 | 44.8350 | 47.5000 | 48.0000 |
| U2-U4 | 85.3870 | 84.7030 | 90.4890 | 91.2830 |
| U3-U4 | 60.7530 | 60.4320 | 120.8590 | 121.8310 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60189.04265804 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| 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 | 55.272 |
| HIERARCH ESO ISS PBL12 END | 55.102 |
| HIERARCH ESO ISS PBLA12 START | 33.3 |
| HIERARCH ESO ISS PBLA12 END | 33.9 |
| HIERARCH ESO ISS PBL13 START | 99.576 |
| HIERARCH ESO ISS PBL13 END | 99.181 |
| HIERARCH ESO ISS PBLA13 START | 39.7 |
| HIERARCH ESO ISS PBLA13 END | 40.2 |
| HIERARCH ESO ISS PBL14 START | 124.363 |
| HIERARCH ESO ISS PBL14 END | 123.438 |
| HIERARCH ESO ISS PBLA14 START | 68.567 |
| HIERARCH ESO ISS PBLA14 END | 69.189 |
| HIERARCH ESO ISS PBL23 START | 45.063 |
| HIERARCH ESO ISS PBL23 END | 44.835 |
| HIERARCH ESO ISS PBLA23 START | 47.5 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 85.387 |
| HIERARCH ESO ISS PBL24 END | 84.703 |
| HIERARCH ESO ISS PBLA24 START | 90.489 |
| HIERARCH ESO ISS PBLA24 END | 91.283 |
| HIERARCH ESO ISS PBL34 START | 60.753 |
| HIERARCH ESO ISS PBL34 END | 60.432 |
| HIERARCH ESO ISS PBLA34 START | 120.859 |
| HIERARCH ESO ISS PBLA34 END | 121.831 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00282 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003137 |
| HIERARCH ESO ISS AMBI TEMP | 11.33 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| 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 | -290027.5209 |