Exposure
- ID
- GRAVI.2023-09-02T00:53:34.635_1
- Header ID
- GRAVI.2023-09-02T00:53:34.635
- Date updated
- 2023-09-02 01:10:21 UTC+0000
- Release date
- 2024-09-02 01:10:21 UTC+0000
- UTC Start
- 2023-09-02 00:53:34.635
- UTC End
- 2023-09-02 00:59:34.635
- MJD Start
- 60189.03720642
- MJD End
- 60189.041373086664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00282
- Ambient temperature (°C)
- 11.55
- Seeing (arcsec)
- 0.765
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 | 55.4610 | 55.3060 | 32.7000 | 33.2000 |
| U1-U3 | 100.0160 | 99.6560 | 39.1000 | 39.6000 |
| U1-U4 | 125.3910 | 124.5490 | 67.8000 | 68.4340 |
| U2-U3 | 45.3170 | 45.1090 | 46.9000 | 47.4000 |
| U2-U4 | 86.1480 | 85.5250 | 89.5340 | 90.3220 |
| U3-U4 | 61.1100 | 60.8180 | 119.7080 | 120.6570 |
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 | 60189.03720642 |
| 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 | 55.461 |
| HIERARCH ESO ISS PBL12 END | 55.306 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.2 |
| HIERARCH ESO ISS PBL13 START | 100.016 |
| HIERARCH ESO ISS PBL13 END | 99.656 |
| HIERARCH ESO ISS PBLA13 START | 39.1 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 125.391 |
| HIERARCH ESO ISS PBL14 END | 124.549 |
| HIERARCH ESO ISS PBLA14 START | 67.8 |
| HIERARCH ESO ISS PBLA14 END | 68.434 |
| HIERARCH ESO ISS PBL23 START | 45.317 |
| HIERARCH ESO ISS PBL23 END | 45.109 |
| HIERARCH ESO ISS PBLA23 START | 46.9 |
| HIERARCH ESO ISS PBLA23 END | 47.4 |
| HIERARCH ESO ISS PBL24 START | 86.148 |
| HIERARCH ESO ISS PBL24 END | 85.525 |
| HIERARCH ESO ISS PBLA24 START | 89.534 |
| HIERARCH ESO ISS PBLA24 END | 90.322 |
| HIERARCH ESO ISS PBL34 START | 61.11 |
| HIERARCH ESO ISS PBL34 END | 60.818 |
| HIERARCH ESO ISS PBLA34 START | 119.708 |
| HIERARCH ESO ISS PBLA34 END | 120.657 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00282 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00282 |
| HIERARCH ESO ISS AMBI TEMP | 11.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |