Exposure
- ID
- GRAVI.2023-07-06T02:09:22.624_2
- Header ID
- GRAVI.2023-07-06T02:09:22.624
- Date updated
- 2023-07-06 02:25:35 UTC+0000
- Release date
- 2024-07-06 02:25:35 UTC+0000
- UTC Start
- 2023-07-06 02:09:22.624
- UTC End
- 2023-07-06 02:15:22.624
- MJD Start
- 60131.08984518
- MJD End
- 60131.0940118467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004069
- Ambient temperature (°C)
- 13.43
- Seeing (arcsec)
- 0.79
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4970 | 56.5140 | 16.0000 | 16.8000 |
| U1-U3 | 102.0810 | 102.1570 | 22.0000 | 22.9000 |
| U1-U4 | 126.9250 | 127.4530 | 49.1780 | 50.1700 |
| U2-U3 | 46.2760 | 46.3440 | 29.3000 | 30.3000 |
| U2-U4 | 85.4450 | 86.0420 | 70.4030 | 71.3310 |
| U3-U4 | 58.9880 | 59.4720 | 101.4230 | 102.1150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.08984518 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.497 |
| HIERARCH ESO ISS PBL12 END | 56.514 |
| HIERARCH ESO ISS PBLA12 START | 16.0 |
| HIERARCH ESO ISS PBLA12 END | 16.8 |
| HIERARCH ESO ISS PBL13 START | 102.081 |
| HIERARCH ESO ISS PBL13 END | 102.157 |
| HIERARCH ESO ISS PBLA13 START | 22.0 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 126.925 |
| HIERARCH ESO ISS PBL14 END | 127.453 |
| HIERARCH ESO ISS PBLA14 START | 49.178 |
| HIERARCH ESO ISS PBLA14 END | 50.17 |
| HIERARCH ESO ISS PBL23 START | 46.276 |
| HIERARCH ESO ISS PBL23 END | 46.344 |
| HIERARCH ESO ISS PBLA23 START | 29.3 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.445 |
| HIERARCH ESO ISS PBL24 END | 86.042 |
| HIERARCH ESO ISS PBLA24 START | 70.403 |
| HIERARCH ESO ISS PBLA24 END | 71.331 |
| HIERARCH ESO ISS PBL34 START | 58.988 |
| HIERARCH ESO ISS PBL34 END | 59.472 |
| HIERARCH ESO ISS PBLA34 START | 101.423 |
| HIERARCH ESO ISS PBLA34 END | 102.115 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003794 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004344 |
| HIERARCH ESO ISS AMBI TEMP | 13.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |