Exposure
- ID
- GRAVI.2023-07-05T01:47:25.018_2
- Header ID
- GRAVI.2023-07-05T01:47:25.018
- Date updated
- 2023-07-05 02:05:40 UTC+0000
- Release date
- 2024-07-05 02:05:40 UTC+0000
- UTC Start
- 2023-07-05 01:47:25.018
- UTC End
- 2023-07-05 01:53:25.018
- MJD Start
- 60130.07459511
- MJD End
- 60130.0787617767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0038405
- Ambient temperature (°C)
- 13.79
- Seeing (arcsec)
- 0.9
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 | 56.4150 | 56.4360 | 12.5000 | 13.4000 |
| U1-U3 | 101.7320 | 101.8250 | 18.3000 | 19.3000 |
| U1-U4 | 124.4840 | 125.1420 | 44.9930 | 46.0800 |
| U2-U3 | 45.9620 | 46.0460 | 25.4000 | 26.4000 |
| U2-U4 | 82.6550 | 83.4150 | 66.5020 | 67.5140 |
| U3-U4 | 56.7060 | 57.3320 | 98.6740 | 99.3640 |
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 | 60130.07459511 |
| 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 | 56.415 |
| HIERARCH ESO ISS PBL12 END | 56.436 |
| HIERARCH ESO ISS PBLA12 START | 12.5 |
| HIERARCH ESO ISS PBLA12 END | 13.4 |
| HIERARCH ESO ISS PBL13 START | 101.732 |
| HIERARCH ESO ISS PBL13 END | 101.825 |
| HIERARCH ESO ISS PBLA13 START | 18.3 |
| HIERARCH ESO ISS PBLA13 END | 19.3 |
| HIERARCH ESO ISS PBL14 START | 124.484 |
| HIERARCH ESO ISS PBL14 END | 125.142 |
| HIERARCH ESO ISS PBLA14 START | 44.993 |
| HIERARCH ESO ISS PBLA14 END | 46.08 |
| HIERARCH ESO ISS PBL23 START | 45.962 |
| HIERARCH ESO ISS PBL23 END | 46.046 |
| HIERARCH ESO ISS PBLA23 START | 25.4 |
| HIERARCH ESO ISS PBLA23 END | 26.4 |
| HIERARCH ESO ISS PBL24 START | 82.655 |
| HIERARCH ESO ISS PBL24 END | 83.415 |
| HIERARCH ESO ISS PBLA24 START | 66.502 |
| HIERARCH ESO ISS PBLA24 END | 67.514 |
| HIERARCH ESO ISS PBL34 START | 56.706 |
| HIERARCH ESO ISS PBL34 END | 57.332 |
| HIERARCH ESO ISS PBLA34 START | 98.674 |
| HIERARCH ESO ISS PBLA34 END | 99.364 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004003 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003678 |
| HIERARCH ESO ISS AMBI TEMP | 13.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |