Exposure
- ID
- GRAVI.2023-07-05T06:18:31.744_2
- Header ID
- GRAVI.2023-07-05T06:18:31.744
- Date updated
- 2023-07-05 06:36:36 UTC+0000
- Release date
- 2024-07-05 06:36:36 UTC+0000
- UTC Start
- 2023-07-05 06:18:31.744
- UTC End
- 2023-07-05 06:24:31.744
- MJD Start
- 60130.26286741
- MJD End
- 60130.2670340767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042755
- Ambient temperature (°C)
- 13.12
- Seeing (arcsec)
- 0.74
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 | 51.9430 | 51.5870 | 38.9000 | 39.2000 |
| U1-U3 | 91.9030 | 91.0920 | 45.1000 | 45.4000 |
| U1-U4 | 106.6400 | 104.8080 | 76.2210 | 76.7700 |
| U2-U3 | 40.6550 | 40.1930 | 53.1000 | 53.4000 |
| U2-U4 | 72.5160 | 71.2270 | 101.9490 | 102.9640 |
| U3-U4 | 55.0800 | 54.5680 | 135.7280 | 137.0780 |
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 | 60130.26286741 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 51.943 |
| HIERARCH ESO ISS PBL12 END | 51.587 |
| HIERARCH ESO ISS PBLA12 START | 38.9 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 91.903 |
| HIERARCH ESO ISS PBL13 END | 91.092 |
| HIERARCH ESO ISS PBLA13 START | 45.1 |
| HIERARCH ESO ISS PBLA13 END | 45.4 |
| HIERARCH ESO ISS PBL14 START | 106.64 |
| HIERARCH ESO ISS PBL14 END | 104.808 |
| HIERARCH ESO ISS PBLA14 START | 76.221 |
| HIERARCH ESO ISS PBLA14 END | 76.77 |
| HIERARCH ESO ISS PBL23 START | 40.655 |
| HIERARCH ESO ISS PBL23 END | 40.193 |
| HIERARCH ESO ISS PBLA23 START | 53.1 |
| HIERARCH ESO ISS PBLA23 END | 53.4 |
| HIERARCH ESO ISS PBL24 START | 72.516 |
| HIERARCH ESO ISS PBL24 END | 71.227 |
| HIERARCH ESO ISS PBLA24 START | 101.949 |
| HIERARCH ESO ISS PBLA24 END | 102.964 |
| HIERARCH ESO ISS PBL34 START | 55.08 |
| HIERARCH ESO ISS PBL34 END | 54.568 |
| HIERARCH ESO ISS PBLA34 START | 135.728 |
| HIERARCH ESO ISS PBLA34 END | 137.078 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003899 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004652 |
| HIERARCH ESO ISS AMBI TEMP | 13.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |