Exposure
- ID
- GRAVI.2023-09-02T02:37:52.899_1
- Header ID
- GRAVI.2023-09-02T02:37:52.899
- Date updated
- 2023-09-02 02:55:19 UTC+0000
- Release date
- 2024-09-02 02:55:18 UTC+0000
- UTC Start
- 2023-09-02 02:37:52.899
- UTC End
- 2023-09-02 02:43:52.899
- MJD Start
- 60189.10964004
- MJD End
- 60189.113806706664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003097
- Ambient temperature (°C)
- 11.22
- Seeing (arcsec)
- 0.89
Observation
- ID
- 56838
- 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
- 42126
- Name
- S4
- RA
- 266.416683
- DEC
- -29.00747
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.3120 | 50.9300 | 39.4000 | 39.7000 |
| U1-U3 | 90.4660 | 89.6000 | 45.6000 | 45.9000 |
| U1-U4 | 103.3990 | 101.4560 | 77.1800 | 77.7250 |
| U2-U3 | 39.8370 | 39.3450 | 53.6000 | 53.8000 |
| U2-U4 | 70.2430 | 68.8950 | 103.7420 | 104.8110 |
| U3-U4 | 54.1840 | 53.6700 | 138.1090 | 139.5200 |
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 | 60189.10964004 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416683 |
| DEC | -29.00747 |
| 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 | 51.312 |
| HIERARCH ESO ISS PBL12 END | 50.93 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.7 |
| HIERARCH ESO ISS PBL13 START | 90.466 |
| HIERARCH ESO ISS PBL13 END | 89.6 |
| HIERARCH ESO ISS PBLA13 START | 45.6 |
| HIERARCH ESO ISS PBLA13 END | 45.9 |
| HIERARCH ESO ISS PBL14 START | 103.399 |
| HIERARCH ESO ISS PBL14 END | 101.456 |
| HIERARCH ESO ISS PBLA14 START | 77.18 |
| HIERARCH ESO ISS PBLA14 END | 77.725 |
| HIERARCH ESO ISS PBL23 START | 39.837 |
| HIERARCH ESO ISS PBL23 END | 39.345 |
| HIERARCH ESO ISS PBLA23 START | 53.6 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.243 |
| HIERARCH ESO ISS PBL24 END | 68.895 |
| HIERARCH ESO ISS PBLA24 START | 103.742 |
| HIERARCH ESO ISS PBLA24 END | 104.811 |
| HIERARCH ESO ISS PBL34 START | 54.184 |
| HIERARCH ESO ISS PBL34 END | 53.67 |
| HIERARCH ESO ISS PBLA34 START | 138.109 |
| HIERARCH ESO ISS PBLA34 END | 139.52 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002874 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00332 |
| HIERARCH ESO ISS AMBI TEMP | 11.22 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |