Exposure
- ID
- GRAVI.2023-08-03T04:22:40.534_1
- Header ID
- GRAVI.2023-08-03T04:22:40.534
- Date updated
- 2023-08-03 04:35:34 UTC+0000
- Release date
- 2024-08-03 04:35:34 UTC+0000
- UTC Start
- 2023-08-03 04:22:40.534
- UTC End
- 2023-08-03 04:28:40.534
- MJD Start
- 60159.18241359
- MJD End
- 60159.18658025667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059055
- Ambient temperature (°C)
- 18.77
- Seeing (arcsec)
- 0.645
Observation
- ID
- 56502
- Category
- science
- Program ID
- 111.24H1.004
- 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
- 41875
- Name
- S4
- RA
- 266.417034
- DEC
- -29.00737
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0420 | 51.6920 | 38.8000 | 39.1000 |
| U1-U3 | 92.1290 | 91.3290 | 45.0000 | 45.3000 |
| U1-U4 | 107.1520 | 105.3430 | 76.0620 | 76.6110 |
| U2-U3 | 40.7840 | 40.3280 | 53.0000 | 53.3000 |
| U2-U4 | 72.8770 | 71.6030 | 101.6630 | 102.6670 |
| U3-U4 | 55.2260 | 54.7160 | 135.3470 | 136.6840 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60159.18241359 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.417034 |
| DEC | -29.00737 |
| 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 | 52.042 |
| HIERARCH ESO ISS PBL12 END | 51.692 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.129 |
| HIERARCH ESO ISS PBL13 END | 91.329 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.152 |
| HIERARCH ESO ISS PBL14 END | 105.343 |
| HIERARCH ESO ISS PBLA14 START | 76.062 |
| HIERARCH ESO ISS PBLA14 END | 76.611 |
| HIERARCH ESO ISS PBL23 START | 40.784 |
| HIERARCH ESO ISS PBL23 END | 40.328 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.877 |
| HIERARCH ESO ISS PBL24 END | 71.603 |
| HIERARCH ESO ISS PBLA24 START | 101.663 |
| HIERARCH ESO ISS PBLA24 END | 102.667 |
| HIERARCH ESO ISS PBL34 START | 55.226 |
| HIERARCH ESO ISS PBL34 END | 54.716 |
| HIERARCH ESO ISS PBLA34 START | 135.347 |
| HIERARCH ESO ISS PBLA34 END | 136.684 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005799 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006012 |
| HIERARCH ESO ISS AMBI TEMP | 18.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |