Exposure
- ID
- GRAVI.2023-09-01T23:59:07.497_2
- Header ID
- GRAVI.2023-09-01T23:59:07.497
- Date updated
- 2023-09-02 00:15:26 UTC+0000
- Release date
- 2024-09-02 00:15:26 UTC+0000
- UTC Start
- 2023-09-01 23:59:07.497
- UTC End
- 2023-09-02 00:05:07.497
- MJD Start
- 60188.99939233
- MJD End
- 60189.003558996665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025875
- Ambient temperature (°C)
- 11.79
- Seeing (arcsec)
- 1.11
Observation
- ID
- 56827
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 56.3170 | 56.2520 | 27.6000 | 28.2000 |
| U1-U3 | 101.9850 | 101.8410 | 33.9000 | 34.6000 |
| U1-U4 | 129.7470 | 129.4750 | 62.0810 | 62.8050 |
| U2-U3 | 46.4380 | 46.3590 | 41.7000 | 42.3000 |
| U2-U4 | 89.2450 | 89.0770 | 83.0320 | 83.8070 |
| U3-U4 | 62.4560 | 62.4080 | 112.4650 | 113.2700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60188.99939233 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| DEC | -29.00725 |
| 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 | 56.317 |
| HIERARCH ESO ISS PBL12 END | 56.252 |
| HIERARCH ESO ISS PBLA12 START | 27.6 |
| HIERARCH ESO ISS PBLA12 END | 28.2 |
| HIERARCH ESO ISS PBL13 START | 101.985 |
| HIERARCH ESO ISS PBL13 END | 101.841 |
| HIERARCH ESO ISS PBLA13 START | 33.9 |
| HIERARCH ESO ISS PBLA13 END | 34.6 |
| HIERARCH ESO ISS PBL14 START | 129.747 |
| HIERARCH ESO ISS PBL14 END | 129.475 |
| HIERARCH ESO ISS PBLA14 START | 62.081 |
| HIERARCH ESO ISS PBLA14 END | 62.805 |
| HIERARCH ESO ISS PBL23 START | 46.438 |
| HIERARCH ESO ISS PBL23 END | 46.359 |
| HIERARCH ESO ISS PBLA23 START | 41.7 |
| HIERARCH ESO ISS PBLA23 END | 42.3 |
| HIERARCH ESO ISS PBL24 START | 89.245 |
| HIERARCH ESO ISS PBL24 END | 89.077 |
| HIERARCH ESO ISS PBLA24 START | 83.032 |
| HIERARCH ESO ISS PBLA24 END | 83.807 |
| HIERARCH ESO ISS PBL34 START | 62.456 |
| HIERARCH ESO ISS PBL34 END | 62.408 |
| HIERARCH ESO ISS PBLA34 START | 112.465 |
| HIERARCH ESO ISS PBLA34 END | 113.27 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002477 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002698 |
| HIERARCH ESO ISS AMBI TEMP | 11.79 |
| HIERARCH ESO ISS AMBI FWHM START | 1.11 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |