Exposure
- ID
- GRAVI.2023-07-06T02:31:13.680_1
- Header ID
- GRAVI.2023-07-06T02:31:13.680
- Date updated
- 2023-07-06 02:45:30 UTC+0000
- Release date
- 2024-07-06 02:45:30 UTC+0000
- UTC Start
- 2023-07-06 02:31:13.680
- UTC End
- 2023-07-06 02:37:13.680
- MJD Start
- 60131.10501945
- MJD End
- 60131.1091861167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00489
- Ambient temperature (°C)
- 13.31
- Seeing (arcsec)
- 0.715
Observation
- ID
- 56153
- 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
- 41600
- Name
- S4
- RA
- 266.41682
- DEC
- -29.00731
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5460 | 56.5540 | 18.8000 | 19.6000 |
| U1-U3 | 102.3080 | 102.3560 | 24.9000 | 25.8000 |
| U1-U4 | 128.5410 | 128.9260 | 52.4290 | 53.3440 |
| U2-U3 | 46.4830 | 46.5300 | 32.4000 | 33.3000 |
| U2-U4 | 87.2720 | 87.7110 | 73.4580 | 74.3270 |
| U3-U4 | 60.4690 | 60.8280 | 103.7650 | 104.4650 |
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 | 60131.10501945 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.546 |
| HIERARCH ESO ISS PBL12 END | 56.554 |
| HIERARCH ESO ISS PBLA12 START | 18.8 |
| HIERARCH ESO ISS PBLA12 END | 19.6 |
| HIERARCH ESO ISS PBL13 START | 102.308 |
| HIERARCH ESO ISS PBL13 END | 102.356 |
| HIERARCH ESO ISS PBLA13 START | 24.9 |
| HIERARCH ESO ISS PBLA13 END | 25.8 |
| HIERARCH ESO ISS PBL14 START | 128.541 |
| HIERARCH ESO ISS PBL14 END | 128.926 |
| HIERARCH ESO ISS PBLA14 START | 52.429 |
| HIERARCH ESO ISS PBLA14 END | 53.344 |
| HIERARCH ESO ISS PBL23 START | 46.483 |
| HIERARCH ESO ISS PBL23 END | 46.53 |
| HIERARCH ESO ISS PBLA23 START | 32.4 |
| HIERARCH ESO ISS PBLA23 END | 33.3 |
| HIERARCH ESO ISS PBL24 START | 87.272 |
| HIERARCH ESO ISS PBL24 END | 87.711 |
| HIERARCH ESO ISS PBLA24 START | 73.458 |
| HIERARCH ESO ISS PBLA24 END | 74.327 |
| HIERARCH ESO ISS PBL34 START | 60.469 |
| HIERARCH ESO ISS PBL34 END | 60.828 |
| HIERARCH ESO ISS PBLA34 START | 103.765 |
| HIERARCH ESO ISS PBLA34 END | 104.465 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004365 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005415 |
| HIERARCH ESO ISS AMBI TEMP | 13.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |