Exposure
- ID
- GRAVI.2023-08-31T01:00:29.492_1
- Header ID
- GRAVI.2023-08-31T01:00:29.492
- Date updated
- 2023-08-31 01:15:23 UTC+0000
- Release date
- 2024-08-31 01:15:23 UTC+0000
- UTC Start
- 2023-08-31 01:00:29.492
- UTC End
- 2023-08-31 01:06:29.492
- MJD Start
- 60187.04200801
- MJD End
- 60187.04617467667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039325
- Ambient temperature (°C)
- 13.87
- Seeing (arcsec)
- 0.905
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 | 55.4830 | 55.3300 | 32.6000 | 33.1000 |
| U1-U3 | 100.0670 | 99.7110 | 39.0000 | 39.5000 |
| U1-U4 | 125.5100 | 124.6780 | 67.7050 | 68.3410 |
| U2-U3 | 45.3470 | 45.1410 | 46.8000 | 47.3000 |
| U2-U4 | 86.2360 | 85.6200 | 89.4170 | 90.2050 |
| U3-U4 | 61.1520 | 60.8620 | 119.5680 | 120.5150 |
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 | 60187.04200801 |
| 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 | 55.483 |
| HIERARCH ESO ISS PBL12 END | 55.33 |
| HIERARCH ESO ISS PBLA12 START | 32.6 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 100.067 |
| HIERARCH ESO ISS PBL13 END | 99.711 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.5 |
| HIERARCH ESO ISS PBL14 START | 125.51 |
| HIERARCH ESO ISS PBL14 END | 124.678 |
| HIERARCH ESO ISS PBLA14 START | 67.705 |
| HIERARCH ESO ISS PBLA14 END | 68.341 |
| HIERARCH ESO ISS PBL23 START | 45.347 |
| HIERARCH ESO ISS PBL23 END | 45.141 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.3 |
| HIERARCH ESO ISS PBL24 START | 86.236 |
| HIERARCH ESO ISS PBL24 END | 85.62 |
| HIERARCH ESO ISS PBLA24 START | 89.417 |
| HIERARCH ESO ISS PBLA24 END | 90.205 |
| HIERARCH ESO ISS PBL34 START | 61.152 |
| HIERARCH ESO ISS PBL34 END | 60.862 |
| HIERARCH ESO ISS PBLA34 START | 119.568 |
| HIERARCH ESO ISS PBLA34 END | 120.515 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003779 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004086 |
| HIERARCH ESO ISS AMBI TEMP | 13.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.97 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |