Exposure
- ID
- GRAVI.2023-08-03T02:03:52.182_1
- Header ID
- GRAVI.2023-08-03T02:03:52.182
- Date updated
- 2023-08-03 02:20:23 UTC+0000
- Release date
- 2024-08-03 02:20:23 UTC+0000
- UTC Start
- 2023-08-03 02:03:52.182
- UTC End
- 2023-08-03 02:09:52.182
- MJD Start
- 60159.08602063
- MJD End
- 60159.090187296664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063005000000000005
- Ambient temperature (°C)
- 18.62
- Seeing (arcsec)
- 0.46499999999999997
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 | 56.2490 | 56.1750 | 28.2000 | 28.9000 |
| U1-U3 | 101.8340 | 101.6660 | 34.6000 | 35.3000 |
| U1-U4 | 129.4610 | 129.1200 | 62.8170 | 63.5350 |
| U2-U3 | 46.3560 | 46.2620 | 42.4000 | 43.0000 |
| U2-U4 | 89.0680 | 88.8430 | 83.8210 | 84.6000 |
| U3-U4 | 62.4050 | 62.3240 | 113.2860 | 114.1130 |
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 | 60159.08602063 |
| 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 | 56.249 |
| HIERARCH ESO ISS PBL12 END | 56.175 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.9 |
| HIERARCH ESO ISS PBL13 START | 101.834 |
| HIERARCH ESO ISS PBL13 END | 101.666 |
| HIERARCH ESO ISS PBLA13 START | 34.6 |
| HIERARCH ESO ISS PBLA13 END | 35.3 |
| HIERARCH ESO ISS PBL14 START | 129.461 |
| HIERARCH ESO ISS PBL14 END | 129.12 |
| HIERARCH ESO ISS PBLA14 START | 62.817 |
| HIERARCH ESO ISS PBLA14 END | 63.535 |
| HIERARCH ESO ISS PBL23 START | 46.356 |
| HIERARCH ESO ISS PBL23 END | 46.262 |
| HIERARCH ESO ISS PBLA23 START | 42.4 |
| HIERARCH ESO ISS PBLA23 END | 43.0 |
| HIERARCH ESO ISS PBL24 START | 89.068 |
| HIERARCH ESO ISS PBL24 END | 88.843 |
| HIERARCH ESO ISS PBLA24 START | 83.821 |
| HIERARCH ESO ISS PBLA24 END | 84.6 |
| HIERARCH ESO ISS PBL34 START | 62.405 |
| HIERARCH ESO ISS PBL34 END | 62.324 |
| HIERARCH ESO ISS PBLA34 START | 113.286 |
| HIERARCH ESO ISS PBLA34 END | 114.113 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00626 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006341 |
| HIERARCH ESO ISS AMBI TEMP | 18.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |