Exposure
- ID
- GRAVI.2022-05-22T09:35:50.137_1
- Header ID
- GRAVI.2022-05-22T09:35:50.137
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 09:50:50 UTC+0000
- UTC Start
- 2022-05-22 09:35:50.137
- UTC End
- 2022-05-22 09:41:10.137
- MJD Start
- 59721.39988584
- MJD End
- 59721.4035895437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0020805
- Ambient temperature (°C)
- 8.32
- Seeing (arcsec)
- 1.13
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 | 54.4040 | 54.5380 | 20.9000 | 21.5000 |
| U1-U3 | 98.2130 | 98.5340 | 27.4000 | 28.1000 |
| U1-U4 | 124.6520 | 125.3900 | 56.7250 | 57.2560 |
| U2-U3 | 44.6020 | 44.7900 | 35.5000 | 36.1000 |
| U2-U4 | 86.6370 | 87.1380 | 78.3110 | 78.6900 |
| U3-U4 | 61.8860 | 62.0660 | 107.6660 | 107.9240 |
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 | 59721.39988584 |
| 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 | 54.404 |
| HIERARCH ESO ISS PBL12 END | 54.538 |
| HIERARCH ESO ISS PBLA12 START | 20.9 |
| HIERARCH ESO ISS PBLA12 END | 21.5 |
| HIERARCH ESO ISS PBL13 START | 98.213 |
| HIERARCH ESO ISS PBL13 END | 98.534 |
| HIERARCH ESO ISS PBLA13 START | 27.4 |
| HIERARCH ESO ISS PBLA13 END | 28.1 |
| HIERARCH ESO ISS PBL14 START | 124.652 |
| HIERARCH ESO ISS PBL14 END | 125.39 |
| HIERARCH ESO ISS PBLA14 START | 56.725 |
| HIERARCH ESO ISS PBLA14 END | 57.256 |
| HIERARCH ESO ISS PBL23 START | 44.602 |
| HIERARCH ESO ISS PBL23 END | 44.79 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 36.1 |
| HIERARCH ESO ISS PBL24 START | 86.637 |
| HIERARCH ESO ISS PBL24 END | 87.138 |
| HIERARCH ESO ISS PBLA24 START | 78.311 |
| HIERARCH ESO ISS PBLA24 END | 78.69 |
| HIERARCH ESO ISS PBL34 START | 61.886 |
| HIERARCH ESO ISS PBL34 END | 62.066 |
| HIERARCH ESO ISS PBLA34 START | 107.666 |
| HIERARCH ESO ISS PBLA34 END | 107.924 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001993 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002168 |
| HIERARCH ESO ISS AMBI TEMP | 8.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.12 |
| HIERARCH ESO ISS AMBI FWHM END | 1.14 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |