Exposure
- ID
- GRAVI.2023-09-01T00:42:34.152_1
- Header ID
- GRAVI.2023-09-01T00:42:34.152
- Date updated
- 2023-09-01 01:00:23 UTC+0000
- Release date
- 2024-09-01 01:00:23 UTC+0000
- UTC Start
- 2023-09-01 00:42:34.152
- UTC End
- 2023-09-01 00:48:34.152
- MJD Start
- 60188.02956194
- MJD End
- 60188.033728606664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003578
- Ambient temperature (°C)
- 12.41
- Seeing (arcsec)
- 0.815
Observation
- ID
- 56826
- 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
- 42115
- Name
- S4
- RA
- 266.416846
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.7720 | 55.6440 | 31.4000 | 32.0000 |
| U1-U3 | 100.7380 | 100.4420 | 37.8000 | 38.3000 |
| U1-U4 | 127.0620 | 126.3800 | 66.3070 | 66.9640 |
| U2-U3 | 45.7340 | 45.5630 | 45.5000 | 46.1000 |
| U2-U4 | 87.3770 | 86.8770 | 87.7390 | 88.5190 |
| U3-U4 | 61.6830 | 61.4510 | 117.6020 | 118.5070 |
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 | 60188.02956194 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416846 |
| 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 | 55.772 |
| HIERARCH ESO ISS PBL12 END | 55.644 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 32.0 |
| HIERARCH ESO ISS PBL13 START | 100.738 |
| HIERARCH ESO ISS PBL13 END | 100.442 |
| HIERARCH ESO ISS PBLA13 START | 37.8 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 127.062 |
| HIERARCH ESO ISS PBL14 END | 126.38 |
| HIERARCH ESO ISS PBLA14 START | 66.307 |
| HIERARCH ESO ISS PBLA14 END | 66.964 |
| HIERARCH ESO ISS PBL23 START | 45.734 |
| HIERARCH ESO ISS PBL23 END | 45.563 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 46.1 |
| HIERARCH ESO ISS PBL24 START | 87.377 |
| HIERARCH ESO ISS PBL24 END | 86.877 |
| HIERARCH ESO ISS PBLA24 START | 87.739 |
| HIERARCH ESO ISS PBLA24 END | 88.519 |
| HIERARCH ESO ISS PBL34 START | 61.683 |
| HIERARCH ESO ISS PBL34 END | 61.451 |
| HIERARCH ESO ISS PBLA34 START | 117.602 |
| HIERARCH ESO ISS PBLA34 END | 118.507 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003769 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003387 |
| HIERARCH ESO ISS AMBI TEMP | 12.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |