Exposure
- ID
- GRAVI.2023-07-06T01:39:01.542_2
- Header ID
- GRAVI.2023-07-06T01:39:01.542
- Date updated
- 2023-07-06 01:56:15 UTC+0000
- Release date
- 2024-07-06 01:56:15 UTC+0000
- UTC Start
- 2023-07-06 01:39:01.542
- UTC End
- 2023-07-06 01:45:01.542
- MJD Start
- 60131.06876785
- MJD End
- 60131.0729345167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002862
- Ambient temperature (°C)
- 13.44
- Seeing (arcsec)
- 0.935
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 | 56.4000 | 56.4210 | 11.9000 | 12.8000 |
| U1-U3 | 101.6670 | 101.7610 | 17.7000 | 18.6000 |
| U1-U4 | 124.0160 | 124.6920 | 44.2300 | 45.3340 |
| U2-U3 | 45.9030 | 45.9880 | 24.7000 | 25.8000 |
| U2-U4 | 82.1110 | 82.8960 | 65.7900 | 66.8190 |
| U3-U4 | 56.2540 | 56.9050 | 98.1980 | 98.8890 |
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 | 60131.06876785 |
| 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 | 56.4 |
| HIERARCH ESO ISS PBL12 END | 56.421 |
| HIERARCH ESO ISS PBLA12 START | 11.9 |
| HIERARCH ESO ISS PBLA12 END | 12.8 |
| HIERARCH ESO ISS PBL13 START | 101.667 |
| HIERARCH ESO ISS PBL13 END | 101.761 |
| HIERARCH ESO ISS PBLA13 START | 17.7 |
| HIERARCH ESO ISS PBLA13 END | 18.6 |
| HIERARCH ESO ISS PBL14 START | 124.016 |
| HIERARCH ESO ISS PBL14 END | 124.692 |
| HIERARCH ESO ISS PBLA14 START | 44.23 |
| HIERARCH ESO ISS PBLA14 END | 45.334 |
| HIERARCH ESO ISS PBL23 START | 45.903 |
| HIERARCH ESO ISS PBL23 END | 45.988 |
| HIERARCH ESO ISS PBLA23 START | 24.7 |
| HIERARCH ESO ISS PBLA23 END | 25.8 |
| HIERARCH ESO ISS PBL24 START | 82.111 |
| HIERARCH ESO ISS PBL24 END | 82.896 |
| HIERARCH ESO ISS PBLA24 START | 65.79 |
| HIERARCH ESO ISS PBLA24 END | 66.819 |
| HIERARCH ESO ISS PBL34 START | 56.254 |
| HIERARCH ESO ISS PBL34 END | 56.905 |
| HIERARCH ESO ISS PBLA34 START | 98.198 |
| HIERARCH ESO ISS PBLA34 END | 98.889 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002663 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003061 |
| HIERARCH ESO ISS AMBI TEMP | 13.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |