Exposure
- ID
- GRAVI.2023-08-31T02:09:59.668_1
- Header ID
- GRAVI.2023-08-31T02:09:59.668
- Date updated
- 2023-08-31 02:25:15 UTC+0000
- Release date
- 2024-08-31 02:25:15 UTC+0000
- UTC Start
- 2023-08-31 02:09:59.668
- UTC End
- 2023-08-31 02:15:59.668
- MJD Start
- 60187.09027394
- MJD End
- 60187.09444060666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028580000000000003
- Ambient temperature (°C)
- 14.23
- Seeing (arcsec)
- 1.035
Observation
- ID
- 56822
- 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
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.1520 | 52.8510 | 37.6000 | 38.0000 |
| U1-U3 | 94.6690 | 93.9790 | 43.9000 | 44.2000 |
| U1-U4 | 112.9470 | 111.3630 | 74.1190 | 74.6830 |
| U2-U3 | 42.2360 | 41.8410 | 51.8000 | 52.1000 |
| U2-U4 | 77.0170 | 75.8770 | 98.3590 | 99.2810 |
| U3-U4 | 56.9550 | 56.4680 | 130.9460 | 132.1720 |
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 | 60187.09027394 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| 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 | 53.152 |
| HIERARCH ESO ISS PBL12 END | 52.851 |
| HIERARCH ESO ISS PBLA12 START | 37.6 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 94.669 |
| HIERARCH ESO ISS PBL13 END | 93.979 |
| HIERARCH ESO ISS PBLA13 START | 43.9 |
| HIERARCH ESO ISS PBLA13 END | 44.2 |
| HIERARCH ESO ISS PBL14 START | 112.947 |
| HIERARCH ESO ISS PBL14 END | 111.363 |
| HIERARCH ESO ISS PBLA14 START | 74.119 |
| HIERARCH ESO ISS PBLA14 END | 74.683 |
| HIERARCH ESO ISS PBL23 START | 42.236 |
| HIERARCH ESO ISS PBL23 END | 41.841 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 52.1 |
| HIERARCH ESO ISS PBL24 START | 77.017 |
| HIERARCH ESO ISS PBL24 END | 75.877 |
| HIERARCH ESO ISS PBLA24 START | 98.359 |
| HIERARCH ESO ISS PBLA24 END | 99.281 |
| HIERARCH ESO ISS PBL34 START | 56.955 |
| HIERARCH ESO ISS PBL34 END | 56.468 |
| HIERARCH ESO ISS PBLA34 START | 130.946 |
| HIERARCH ESO ISS PBLA34 END | 132.172 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003108 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002608 |
| HIERARCH ESO ISS AMBI TEMP | 14.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 1.15 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |