Exposure
- ID
- GRAVI.2023-08-31T01:24:17.553_1
- Header ID
- GRAVI.2023-08-31T01:24:17.553
- Date updated
- 2023-08-31 01:40:25 UTC+0000
- Release date
- 2024-08-31 01:40:25 UTC+0000
- UTC Start
- 2023-08-31 01:24:17.553
- UTC End
- 2023-08-31 01:30:17.553
- MJD Start
- 60187.05853649
- MJD End
- 60187.06270315667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034505000000000004
- Ambient temperature (°C)
- 14.29
- Seeing (arcsec)
- 0.905
Observation
- ID
- 56822
- 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
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.8590 | 54.6580 | 34.5000 | 35.0000 |
| U1-U3 | 98.6150 | 98.1490 | 40.9000 | 41.4000 |
| U1-U4 | 122.1130 | 121.0220 | 69.9960 | 70.6020 |
| U2-U3 | 44.5080 | 44.2390 | 48.7000 | 49.2000 |
| U2-U4 | 83.7220 | 82.9160 | 92.3420 | 93.1580 |
| U3-U4 | 59.9730 | 59.5980 | 123.1460 | 124.1750 |
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 | 60187.05853649 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| 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 | 54.859 |
| HIERARCH ESO ISS PBL12 END | 54.658 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 98.615 |
| HIERARCH ESO ISS PBL13 END | 98.149 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 41.4 |
| HIERARCH ESO ISS PBL14 START | 122.113 |
| HIERARCH ESO ISS PBL14 END | 121.022 |
| HIERARCH ESO ISS PBLA14 START | 69.996 |
| HIERARCH ESO ISS PBLA14 END | 70.602 |
| HIERARCH ESO ISS PBL23 START | 44.508 |
| HIERARCH ESO ISS PBL23 END | 44.239 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 83.722 |
| HIERARCH ESO ISS PBL24 END | 82.916 |
| HIERARCH ESO ISS PBLA24 START | 92.342 |
| HIERARCH ESO ISS PBLA24 END | 93.158 |
| HIERARCH ESO ISS PBL34 START | 59.973 |
| HIERARCH ESO ISS PBL34 END | 59.598 |
| HIERARCH ESO ISS PBLA34 START | 123.146 |
| HIERARCH ESO ISS PBLA34 END | 124.175 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00288 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004021 |
| HIERARCH ESO ISS AMBI TEMP | 14.29 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |