Exposure
- ID
- GRAVI.2023-08-03T02:45:28.288_1
- Header ID
- GRAVI.2023-08-03T02:45:28.288
- Date updated
- 2023-08-03 03:00:31 UTC+0000
- Release date
- 2024-08-03 03:00:31 UTC+0000
- UTC Start
- 2023-08-03 02:45:28.288
- UTC End
- 2023-08-03 02:51:28.288
- MJD Start
- 60159.11491074
- MJD End
- 60159.11907740666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004955
- Ambient temperature (°C)
- 18.79
- Seeing (arcsec)
- 0.585
Observation
- ID
- 56501
- 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
- 41874
- Name
- S4
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.5940 | 55.4510 | 32.2000 | 32.7000 |
| U1-U3 | 100.3260 | 99.9920 | 38.5000 | 39.1000 |
| U1-U4 | 126.1130 | 125.3350 | 67.1970 | 67.8410 |
| U2-U3 | 45.4960 | 45.3030 | 46.3000 | 46.9000 |
| U2-U4 | 86.6800 | 86.1060 | 88.7990 | 89.5840 |
| U3-U4 | 61.3600 | 61.0910 | 118.8370 | 119.7690 |
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 | 60159.11491074 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41687 |
| 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 | 55.594 |
| HIERARCH ESO ISS PBL12 END | 55.451 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.7 |
| HIERARCH ESO ISS PBL13 START | 100.326 |
| HIERARCH ESO ISS PBL13 END | 99.992 |
| HIERARCH ESO ISS PBLA13 START | 38.5 |
| HIERARCH ESO ISS PBLA13 END | 39.1 |
| HIERARCH ESO ISS PBL14 START | 126.113 |
| HIERARCH ESO ISS PBL14 END | 125.335 |
| HIERARCH ESO ISS PBLA14 START | 67.197 |
| HIERARCH ESO ISS PBLA14 END | 67.841 |
| HIERARCH ESO ISS PBL23 START | 45.496 |
| HIERARCH ESO ISS PBL23 END | 45.303 |
| HIERARCH ESO ISS PBLA23 START | 46.3 |
| HIERARCH ESO ISS PBLA23 END | 46.9 |
| HIERARCH ESO ISS PBL24 START | 86.68 |
| HIERARCH ESO ISS PBL24 END | 86.106 |
| HIERARCH ESO ISS PBLA24 START | 88.799 |
| HIERARCH ESO ISS PBLA24 END | 89.584 |
| HIERARCH ESO ISS PBL34 START | 61.36 |
| HIERARCH ESO ISS PBL34 END | 61.091 |
| HIERARCH ESO ISS PBLA34 START | 118.837 |
| HIERARCH ESO ISS PBLA34 END | 119.769 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004753 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005157 |
| HIERARCH ESO ISS AMBI TEMP | 18.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |