Exposure
- ID
- GRAVI.2023-07-05T04:47:10.500_2
- Header ID
- GRAVI.2023-07-05T04:47:10.500
- Date updated
- 2023-07-05 05:01:26 UTC+0000
- Release date
- 2024-07-05 05:01:26 UTC+0000
- UTC Start
- 2023-07-05 04:47:10.500
- UTC End
- 2023-07-05 04:53:10.500
- MJD Start
- 60130.19942708
- MJD End
- 60130.2035937467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039085
- Ambient temperature (°C)
- 13.75
- Seeing (arcsec)
- 0.915
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 | 55.4230 | 55.2650 | 32.8000 | 33.4000 |
| U1-U3 | 99.9280 | 99.5600 | 39.2000 | 39.7000 |
| U1-U4 | 125.1850 | 124.3260 | 67.9590 | 68.5910 |
| U2-U3 | 45.2660 | 45.0540 | 47.0000 | 47.5000 |
| U2-U4 | 85.9950 | 85.3610 | 89.7310 | 90.5200 |
| U3-U4 | 61.0390 | 60.7400 | 119.9440 | 120.8970 |
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 | 60130.19942708 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 55.423 |
| HIERARCH ESO ISS PBL12 END | 55.265 |
| HIERARCH ESO ISS PBLA12 START | 32.8 |
| HIERARCH ESO ISS PBLA12 END | 33.4 |
| HIERARCH ESO ISS PBL13 START | 99.928 |
| HIERARCH ESO ISS PBL13 END | 99.56 |
| HIERARCH ESO ISS PBLA13 START | 39.2 |
| HIERARCH ESO ISS PBLA13 END | 39.7 |
| HIERARCH ESO ISS PBL14 START | 125.185 |
| HIERARCH ESO ISS PBL14 END | 124.326 |
| HIERARCH ESO ISS PBLA14 START | 67.959 |
| HIERARCH ESO ISS PBLA14 END | 68.591 |
| HIERARCH ESO ISS PBL23 START | 45.266 |
| HIERARCH ESO ISS PBL23 END | 45.054 |
| HIERARCH ESO ISS PBLA23 START | 47.0 |
| HIERARCH ESO ISS PBLA23 END | 47.5 |
| HIERARCH ESO ISS PBL24 START | 85.995 |
| HIERARCH ESO ISS PBL24 END | 85.361 |
| HIERARCH ESO ISS PBLA24 START | 89.731 |
| HIERARCH ESO ISS PBLA24 END | 90.52 |
| HIERARCH ESO ISS PBL34 START | 61.039 |
| HIERARCH ESO ISS PBL34 END | 60.74 |
| HIERARCH ESO ISS PBLA34 START | 119.944 |
| HIERARCH ESO ISS PBLA34 END | 120.897 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003573 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004244 |
| HIERARCH ESO ISS AMBI TEMP | 13.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |