Exposure
- ID
- GRAVI.2023-07-07T03:04:32.474_2
- Header ID
- GRAVI.2023-07-07T03:04:32.474
- Date updated
- 2023-07-07 03:20:41 UTC+0000
- Release date
- 2024-07-07 03:20:41 UTC+0000
- UTC Start
- 2023-07-07 03:04:32.474
- UTC End
- 2023-07-07 03:10:32.474
- MJD Start
- 60132.12815364
- MJD End
- 60132.1323203067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004033
- Ambient temperature (°C)
- 9.72
- Seeing (arcsec)
- 0.55
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 | 56.5360 | 56.5160 | 23.3000 | 24.1000 |
| U1-U3 | 102.4220 | 102.3940 | 29.6000 | 30.4000 |
| U1-U4 | 130.0860 | 130.1770 | 57.4500 | 58.2620 |
| U2-U3 | 46.6410 | 46.6360 | 37.2000 | 38.0000 |
| U2-U4 | 89.1300 | 89.2810 | 78.3020 | 79.1080 |
| U3-U4 | 62.0460 | 62.2000 | 107.8860 | 108.6260 |
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 | 60132.12815364 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 56.536 |
| HIERARCH ESO ISS PBL12 END | 56.516 |
| HIERARCH ESO ISS PBLA12 START | 23.3 |
| HIERARCH ESO ISS PBLA12 END | 24.1 |
| HIERARCH ESO ISS PBL13 START | 102.422 |
| HIERARCH ESO ISS PBL13 END | 102.394 |
| HIERARCH ESO ISS PBLA13 START | 29.6 |
| HIERARCH ESO ISS PBLA13 END | 30.4 |
| HIERARCH ESO ISS PBL14 START | 130.086 |
| HIERARCH ESO ISS PBL14 END | 130.177 |
| HIERARCH ESO ISS PBLA14 START | 57.45 |
| HIERARCH ESO ISS PBLA14 END | 58.262 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.636 |
| HIERARCH ESO ISS PBLA23 START | 37.2 |
| HIERARCH ESO ISS PBLA23 END | 38.0 |
| HIERARCH ESO ISS PBL24 START | 89.13 |
| HIERARCH ESO ISS PBL24 END | 89.281 |
| HIERARCH ESO ISS PBLA24 START | 78.302 |
| HIERARCH ESO ISS PBLA24 END | 79.108 |
| HIERARCH ESO ISS PBL34 START | 62.046 |
| HIERARCH ESO ISS PBL34 END | 62.2 |
| HIERARCH ESO ISS PBLA34 START | 107.886 |
| HIERARCH ESO ISS PBLA34 END | 108.626 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004079 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003987 |
| HIERARCH ESO ISS AMBI TEMP | 9.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |