Exposure
- ID
- GRAVI.2022-05-22T10:02:08.203_1
- Header ID
- GRAVI.2022-05-22T10:02:08.203
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 10:15:37 UTC+0000
- UTC Start
- 2022-05-22 10:02:08.203
- UTC End
- 2022-05-22 10:07:28.203
- MJD Start
- 59721.4181505
- MJD End
- 59721.4218542037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001776
- Ambient temperature (°C)
- 8.22
- Seeing (arcsec)
- 1.18
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 | 55.0160 | 55.1430 | 23.9000 | 24.5000 |
| U1-U3 | 99.6480 | 99.9330 | 30.4000 | 31.0000 |
| U1-U4 | 127.6630 | 128.1680 | 59.0310 | 59.4780 |
| U2-U3 | 45.4190 | 45.5740 | 38.3000 | 38.8000 |
| U2-U4 | 88.5500 | 88.8230 | 79.9990 | 80.3410 |
| U3-U4 | 62.4430 | 62.4700 | 108.9440 | 109.2470 |
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 | 59721.4181505 |
| 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 | 55.016 |
| HIERARCH ESO ISS PBL12 END | 55.143 |
| HIERARCH ESO ISS PBLA12 START | 23.9 |
| HIERARCH ESO ISS PBLA12 END | 24.5 |
| HIERARCH ESO ISS PBL13 START | 99.648 |
| HIERARCH ESO ISS PBL13 END | 99.933 |
| HIERARCH ESO ISS PBLA13 START | 30.4 |
| HIERARCH ESO ISS PBLA13 END | 31.0 |
| HIERARCH ESO ISS PBL14 START | 127.663 |
| HIERARCH ESO ISS PBL14 END | 128.168 |
| HIERARCH ESO ISS PBLA14 START | 59.031 |
| HIERARCH ESO ISS PBLA14 END | 59.478 |
| HIERARCH ESO ISS PBL23 START | 45.419 |
| HIERARCH ESO ISS PBL23 END | 45.574 |
| HIERARCH ESO ISS PBLA23 START | 38.3 |
| HIERARCH ESO ISS PBLA23 END | 38.8 |
| HIERARCH ESO ISS PBL24 START | 88.55 |
| HIERARCH ESO ISS PBL24 END | 88.823 |
| HIERARCH ESO ISS PBLA24 START | 79.999 |
| HIERARCH ESO ISS PBLA24 END | 80.341 |
| HIERARCH ESO ISS PBL34 START | 62.443 |
| HIERARCH ESO ISS PBL34 END | 62.47 |
| HIERARCH ESO ISS PBLA34 START | 108.944 |
| HIERARCH ESO ISS PBLA34 END | 109.247 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001694 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001858 |
| HIERARCH ESO ISS AMBI TEMP | 8.22 |
| HIERARCH ESO ISS AMBI FWHM START | 1.29 |
| HIERARCH ESO ISS AMBI FWHM END | 1.07 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |