Exposure
- ID
- GRAVI.2023-06-03T08:19:57.967_2
- Header ID
- GRAVI.2023-06-03T08:19:57.967
- Date updated
- 2023-06-03 08:35:43 UTC+0000
- Release date
- 2024-06-03 08:35:43 UTC+0000
- UTC Start
- 2023-06-03 08:19:57.967
- UTC End
- 2023-06-03 08:25:57.967
- MJD Start
- 60098.34719869
- MJD End
- 60098.3513653567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033605
- Ambient temperature (°C)
- 13.09
- Seeing (arcsec)
- 0.465
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 52.1760 | 51.8280 | 38.7000 | 39.0000 |
| U1-U3 | 92.4350 | 91.6390 | 44.9000 | 45.2000 |
| U1-U4 | 107.8440 | 106.0430 | 75.8470 | 76.4020 |
| U2-U3 | 40.9580 | 40.5050 | 52.9000 | 53.2000 |
| U2-U4 | 73.3670 | 72.0940 | 101.2770 | 102.2810 |
| U3-U4 | 55.4240 | 54.9110 | 134.8340 | 136.1700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.34719869 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| 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 | 52.176 |
| HIERARCH ESO ISS PBL12 END | 51.828 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.435 |
| HIERARCH ESO ISS PBL13 END | 91.639 |
| HIERARCH ESO ISS PBLA13 START | 44.9 |
| HIERARCH ESO ISS PBLA13 END | 45.2 |
| HIERARCH ESO ISS PBL14 START | 107.844 |
| HIERARCH ESO ISS PBL14 END | 106.043 |
| HIERARCH ESO ISS PBLA14 START | 75.847 |
| HIERARCH ESO ISS PBLA14 END | 76.402 |
| HIERARCH ESO ISS PBL23 START | 40.958 |
| HIERARCH ESO ISS PBL23 END | 40.505 |
| HIERARCH ESO ISS PBLA23 START | 52.9 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 73.367 |
| HIERARCH ESO ISS PBL24 END | 72.094 |
| HIERARCH ESO ISS PBLA24 START | 101.277 |
| HIERARCH ESO ISS PBLA24 END | 102.281 |
| HIERARCH ESO ISS PBL34 START | 55.424 |
| HIERARCH ESO ISS PBL34 END | 54.911 |
| HIERARCH ESO ISS PBLA34 START | 134.834 |
| HIERARCH ESO ISS PBLA34 END | 136.17 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003584 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003137 |
| HIERARCH ESO ISS AMBI TEMP | 13.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |