Exposure
- ID
- GRAVI.2022-05-22T09:48:02.167_1
- Header ID
- GRAVI.2022-05-22T09:48:02.167
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 09:55:51 UTC+0000
- UTC Start
- 2022-05-22 09:48:02.167
- UTC End
- 2022-05-22 09:49:06.167
- MJD Start
- 59721.40835842
- MJD End
- 59721.4090991607
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002149
- Ambient temperature (°C)
- 8.41
- Seeing (arcsec)
- 1.115
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 | 54.6900 | 54.7230 | 22.3000 | 22.4000 |
| U1-U3 | 98.8960 | 98.9730 | 28.8000 | 29.0000 |
| U1-U4 | 126.1780 | 126.3390 | 57.8430 | 57.9660 |
| U2-U3 | 44.9990 | 45.0430 | 36.8000 | 37.0000 |
| U2-U4 | 87.6540 | 87.7570 | 79.1150 | 79.2050 |
| U3-U4 | 62.2320 | 62.2620 | 108.2320 | 108.3000 |
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 | 59721.40835842 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 54.69 |
| HIERARCH ESO ISS PBL12 END | 54.723 |
| HIERARCH ESO ISS PBLA12 START | 22.3 |
| HIERARCH ESO ISS PBLA12 END | 22.4 |
| HIERARCH ESO ISS PBL13 START | 98.896 |
| HIERARCH ESO ISS PBL13 END | 98.973 |
| HIERARCH ESO ISS PBLA13 START | 28.8 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 126.178 |
| HIERARCH ESO ISS PBL14 END | 126.339 |
| HIERARCH ESO ISS PBLA14 START | 57.843 |
| HIERARCH ESO ISS PBLA14 END | 57.966 |
| HIERARCH ESO ISS PBL23 START | 44.999 |
| HIERARCH ESO ISS PBL23 END | 45.043 |
| HIERARCH ESO ISS PBLA23 START | 36.8 |
| HIERARCH ESO ISS PBLA23 END | 37.0 |
| HIERARCH ESO ISS PBL24 START | 87.654 |
| HIERARCH ESO ISS PBL24 END | 87.757 |
| HIERARCH ESO ISS PBLA24 START | 79.115 |
| HIERARCH ESO ISS PBLA24 END | 79.205 |
| HIERARCH ESO ISS PBL34 START | 62.232 |
| HIERARCH ESO ISS PBL34 END | 62.262 |
| HIERARCH ESO ISS PBLA34 START | 108.232 |
| HIERARCH ESO ISS PBLA34 END | 108.3 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002394 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001904 |
| HIERARCH ESO ISS AMBI TEMP | 8.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 1.29 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |