Exposure
- ID
- GRAVI.2022-05-22T10:18:14.243_1
- Header ID
- GRAVI.2022-05-22T10:18:14.243
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 10:31:05 UTC+0000
- UTC Start
- 2022-05-22 10:18:14.243
- UTC End
- 2022-05-22 10:23:34.243
- MJD Start
- 59721.42933152
- MJD End
- 59721.4330352237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001739
- Ambient temperature (°C)
- 8.32
- Seeing (arcsec)
- 1.38
Observation
- ID
- 50962
- Category
- science
- Program ID
- 109.22ZA.002
- 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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 38009
- Name
- HD206893Cn
- RA
- 326.343911
- DEC
- -12.78329
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3700 | 55.4880 | 25.5000 | 26.1000 |
| U1-U3 | 100.4280 | 100.6800 | 32.0000 | 32.5000 |
| U1-U4 | 128.9550 | 129.3060 | 60.2540 | 60.6540 |
| U2-U3 | 45.8350 | 45.9640 | 39.8000 | 40.3000 |
| U2-U4 | 89.1930 | 89.3230 | 80.9530 | 81.2780 |
| U3-U4 | 62.4350 | 62.3700 | 109.8300 | 110.1630 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59721.42933152 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD206893 |
| HIERARCH ESO INS SOBJ NAME | HD206893Cn |
| RA | 326.343911 |
| DEC | -12.78329 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.37 |
| HIERARCH ESO ISS PBL12 END | 55.488 |
| HIERARCH ESO ISS PBLA12 START | 25.5 |
| HIERARCH ESO ISS PBLA12 END | 26.1 |
| HIERARCH ESO ISS PBL13 START | 100.428 |
| HIERARCH ESO ISS PBL13 END | 100.68 |
| HIERARCH ESO ISS PBLA13 START | 32.0 |
| HIERARCH ESO ISS PBLA13 END | 32.5 |
| HIERARCH ESO ISS PBL14 START | 128.955 |
| HIERARCH ESO ISS PBL14 END | 129.306 |
| HIERARCH ESO ISS PBLA14 START | 60.254 |
| HIERARCH ESO ISS PBLA14 END | 60.654 |
| HIERARCH ESO ISS PBL23 START | 45.835 |
| HIERARCH ESO ISS PBL23 END | 45.964 |
| HIERARCH ESO ISS PBLA23 START | 39.8 |
| HIERARCH ESO ISS PBLA23 END | 40.3 |
| HIERARCH ESO ISS PBL24 START | 89.193 |
| HIERARCH ESO ISS PBL24 END | 89.323 |
| HIERARCH ESO ISS PBLA24 START | 80.953 |
| HIERARCH ESO ISS PBLA24 END | 81.278 |
| HIERARCH ESO ISS PBL34 START | 62.435 |
| HIERARCH ESO ISS PBL34 END | 62.37 |
| HIERARCH ESO ISS PBLA34 START | 109.83 |
| HIERARCH ESO ISS PBLA34 END | 110.163 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001989 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001489 |
| HIERARCH ESO ISS AMBI TEMP | 8.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.28 |
| HIERARCH ESO ISS AMBI FWHM END | 1.48 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |