Exposure
- ID
- GRAVI.2023-06-30T05:49:40.185_2
- Header ID
- GRAVI.2023-06-30T05:49:40.185
- Date updated
- 2023-06-30 06:05:32 UTC+0000
- Release date
- 2024-06-30 06:05:32 UTC+0000
- UTC Start
- 2023-06-30 05:49:40.185
- UTC End
- 2023-06-30 05:55:40.185
- MJD Start
- 60125.24282621
- MJD End
- 60125.2469928767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004207
- Ambient temperature (°C)
- 16.16
- Seeing (arcsec)
- 0.77
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 | 54.1390 | 53.8940 | 36.1000 | 36.5000 |
| U1-U3 | 96.9470 | 96.3790 | 42.4000 | 42.8000 |
| U1-U4 | 118.2150 | 116.8960 | 71.9820 | 72.5630 |
| U2-U3 | 43.5450 | 43.2180 | 50.3000 | 50.7000 |
| U2-U4 | 80.8500 | 79.8850 | 95.0980 | 95.9500 |
| U3-U4 | 58.6510 | 58.2160 | 126.6620 | 127.7720 |
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 | 60125.24282621 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.417078 |
| DEC | -29.00727 |
| 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 | 54.139 |
| HIERARCH ESO ISS PBL12 END | 53.894 |
| HIERARCH ESO ISS PBLA12 START | 36.1 |
| HIERARCH ESO ISS PBLA12 END | 36.5 |
| HIERARCH ESO ISS PBL13 START | 96.947 |
| HIERARCH ESO ISS PBL13 END | 96.379 |
| HIERARCH ESO ISS PBLA13 START | 42.4 |
| HIERARCH ESO ISS PBLA13 END | 42.8 |
| HIERARCH ESO ISS PBL14 START | 118.215 |
| HIERARCH ESO ISS PBL14 END | 116.896 |
| HIERARCH ESO ISS PBLA14 START | 71.982 |
| HIERARCH ESO ISS PBLA14 END | 72.563 |
| HIERARCH ESO ISS PBL23 START | 43.545 |
| HIERARCH ESO ISS PBL23 END | 43.218 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 80.85 |
| HIERARCH ESO ISS PBL24 END | 79.885 |
| HIERARCH ESO ISS PBLA24 START | 95.098 |
| HIERARCH ESO ISS PBLA24 END | 95.95 |
| HIERARCH ESO ISS PBL34 START | 58.651 |
| HIERARCH ESO ISS PBL34 END | 58.216 |
| HIERARCH ESO ISS PBLA34 START | 126.662 |
| HIERARCH ESO ISS PBLA34 END | 127.772 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004471 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003943 |
| HIERARCH ESO ISS AMBI TEMP | 16.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |