Exposure
- ID
- GRAVI.2023-07-07T02:57:14.456_2
- Header ID
- GRAVI.2023-07-07T02:57:14.456
- Date updated
- 2023-07-07 03:15:48 UTC+0000
- Release date
- 2024-07-07 03:15:48 UTC+0000
- UTC Start
- 2023-07-07 02:57:14.456
- UTC End
- 2023-07-07 03:03:14.456
- MJD Start
- 60132.12308398
- MJD End
- 60132.1272506467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003686
- Ambient temperature (°C)
- 9.79
- Seeing (arcsec)
- 0.755
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 | 56.5500 | 56.5380 | 22.5000 | 23.2000 |
| U1-U3 | 102.4340 | 102.4240 | 28.7000 | 29.5000 |
| U1-U4 | 129.9180 | 130.0710 | 56.5140 | 57.3440 |
| U2-U3 | 46.6340 | 46.6410 | 36.3000 | 37.1000 |
| U2-U4 | 88.8970 | 89.1060 | 77.3820 | 78.1980 |
| U3-U4 | 61.8300 | 62.0240 | 107.0620 | 107.7920 |
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 | 60132.12308398 |
| 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 | 56.55 |
| HIERARCH ESO ISS PBL12 END | 56.538 |
| HIERARCH ESO ISS PBLA12 START | 22.5 |
| HIERARCH ESO ISS PBLA12 END | 23.2 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.424 |
| HIERARCH ESO ISS PBLA13 START | 28.7 |
| HIERARCH ESO ISS PBLA13 END | 29.5 |
| HIERARCH ESO ISS PBL14 START | 129.918 |
| HIERARCH ESO ISS PBL14 END | 130.071 |
| HIERARCH ESO ISS PBLA14 START | 56.514 |
| HIERARCH ESO ISS PBLA14 END | 57.344 |
| HIERARCH ESO ISS PBL23 START | 46.634 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 36.3 |
| HIERARCH ESO ISS PBLA23 END | 37.1 |
| HIERARCH ESO ISS PBL24 START | 88.897 |
| HIERARCH ESO ISS PBL24 END | 89.106 |
| HIERARCH ESO ISS PBLA24 START | 77.382 |
| HIERARCH ESO ISS PBLA24 END | 78.198 |
| HIERARCH ESO ISS PBL34 START | 61.83 |
| HIERARCH ESO ISS PBL34 END | 62.024 |
| HIERARCH ESO ISS PBLA34 START | 107.062 |
| HIERARCH ESO ISS PBLA34 END | 107.792 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003352 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00402 |
| HIERARCH ESO ISS AMBI TEMP | 9.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |