Exposure
- ID
- GRAVI.2023-07-06T01:31:46.523_2
- Header ID
- GRAVI.2023-07-06T01:31:46.523
- Date updated
- 2023-07-06 01:45:27 UTC+0000
- Release date
- 2024-07-06 01:45:27 UTC+0000
- UTC Start
- 2023-07-06 01:31:46.523
- UTC End
- 2023-07-06 01:37:46.523
- MJD Start
- 60131.0637329
- MJD End
- 60131.0678995667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002918
- Ambient temperature (°C)
- 13.44
- Seeing (arcsec)
- 0.98
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 | 56.3760 | 56.3970 | 10.9000 | 11.8000 |
| U1-U3 | 101.5620 | 101.6570 | 16.6000 | 17.5000 |
| U1-U4 | 123.2370 | 123.9380 | 42.9710 | 44.1040 |
| U2-U3 | 45.8070 | 45.8940 | 23.6000 | 24.6000 |
| U2-U4 | 81.1950 | 82.0200 | 64.6130 | 65.6720 |
| U3-U4 | 55.4880 | 56.1780 | 97.4260 | 98.1200 |
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 | 60131.0637329 |
| 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 | 56.376 |
| HIERARCH ESO ISS PBL12 END | 56.397 |
| HIERARCH ESO ISS PBLA12 START | 10.9 |
| HIERARCH ESO ISS PBLA12 END | 11.8 |
| HIERARCH ESO ISS PBL13 START | 101.562 |
| HIERARCH ESO ISS PBL13 END | 101.657 |
| HIERARCH ESO ISS PBLA13 START | 16.6 |
| HIERARCH ESO ISS PBLA13 END | 17.5 |
| HIERARCH ESO ISS PBL14 START | 123.237 |
| HIERARCH ESO ISS PBL14 END | 123.938 |
| HIERARCH ESO ISS PBLA14 START | 42.971 |
| HIERARCH ESO ISS PBLA14 END | 44.104 |
| HIERARCH ESO ISS PBL23 START | 45.807 |
| HIERARCH ESO ISS PBL23 END | 45.894 |
| HIERARCH ESO ISS PBLA23 START | 23.6 |
| HIERARCH ESO ISS PBLA23 END | 24.6 |
| HIERARCH ESO ISS PBL24 START | 81.195 |
| HIERARCH ESO ISS PBL24 END | 82.02 |
| HIERARCH ESO ISS PBLA24 START | 64.613 |
| HIERARCH ESO ISS PBLA24 END | 65.672 |
| HIERARCH ESO ISS PBL34 START | 55.488 |
| HIERARCH ESO ISS PBL34 END | 56.178 |
| HIERARCH ESO ISS PBLA34 START | 97.426 |
| HIERARCH ESO ISS PBLA34 END | 98.12 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003017 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002819 |
| HIERARCH ESO ISS AMBI TEMP | 13.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| 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 |