Exposure
- ID
- GRAVI.2023-07-04T01:58:06.579_1
- Header ID
- GRAVI.2023-07-04T01:58:06.579
- Date updated
- 2023-07-04 02:15:57 UTC+0000
- Release date
- 2024-07-04 02:15:57 UTC+0000
- UTC Start
- 2023-07-04 01:58:06.579
- UTC End
- 2023-07-04 02:04:06.579
- MJD Start
- 60129.08202059
- MJD End
- 60129.0861872567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004224
- Ambient temperature (°C)
- 12.37
- Seeing (arcsec)
- 0.74
Observation
- ID
- 56138
- 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
- 41585
- Name
- S4
- RA
- 266.416929
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4370 | 56.4580 | 13.4000 | 14.3000 |
| U1-U3 | 101.8280 | 101.9180 | 19.3000 | 20.2000 |
| U1-U4 | 125.1670 | 125.7950 | 46.1220 | 47.1830 |
| U2-U3 | 46.0490 | 46.1290 | 26.5000 | 27.5000 |
| U2-U4 | 83.4440 | 84.1630 | 67.5540 | 68.5420 |
| U3-U4 | 57.3560 | 57.9450 | 99.3920 | 100.0810 |
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 | 60129.08202059 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416929 |
| 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 | 56.437 |
| HIERARCH ESO ISS PBL12 END | 56.458 |
| HIERARCH ESO ISS PBLA12 START | 13.4 |
| HIERARCH ESO ISS PBLA12 END | 14.3 |
| HIERARCH ESO ISS PBL13 START | 101.828 |
| HIERARCH ESO ISS PBL13 END | 101.918 |
| HIERARCH ESO ISS PBLA13 START | 19.3 |
| HIERARCH ESO ISS PBLA13 END | 20.2 |
| HIERARCH ESO ISS PBL14 START | 125.167 |
| HIERARCH ESO ISS PBL14 END | 125.795 |
| HIERARCH ESO ISS PBLA14 START | 46.122 |
| HIERARCH ESO ISS PBLA14 END | 47.183 |
| HIERARCH ESO ISS PBL23 START | 46.049 |
| HIERARCH ESO ISS PBL23 END | 46.129 |
| HIERARCH ESO ISS PBLA23 START | 26.5 |
| HIERARCH ESO ISS PBLA23 END | 27.5 |
| HIERARCH ESO ISS PBL24 START | 83.444 |
| HIERARCH ESO ISS PBL24 END | 84.163 |
| HIERARCH ESO ISS PBLA24 START | 67.554 |
| HIERARCH ESO ISS PBLA24 END | 68.542 |
| HIERARCH ESO ISS PBL34 START | 57.356 |
| HIERARCH ESO ISS PBL34 END | 57.945 |
| HIERARCH ESO ISS PBLA34 START | 99.392 |
| HIERARCH ESO ISS PBLA34 END | 100.081 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004406 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004042 |
| HIERARCH ESO ISS AMBI TEMP | 12.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |