Exposure
- ID
- GRAVI.2022-05-22T09:25:50.112_1
- Header ID
- GRAVI.2022-05-22T09:25:50.112
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 09:35:35 UTC+0000
- UTC Start
- 2022-05-22 09:25:50.112
- UTC End
- 2022-05-22 09:26:54.112
- MJD Start
- 59721.39294111
- MJD End
- 59721.3936818507
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001966
- Ambient temperature (°C)
- 8.46
- 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 | 54.1690 | 54.2020 | 19.6000 | 19.8000 |
| U1-U3 | 97.6320 | 97.7140 | 26.2000 | 26.4000 |
| U1-U4 | 123.2350 | 123.4420 | 55.7350 | 55.8770 |
| U2-U3 | 44.2550 | 44.3040 | 34.3000 | 34.4000 |
| U2-U4 | 85.6340 | 85.7830 | 77.6180 | 77.7160 |
| U3-U4 | 61.4870 | 61.5490 | 107.2310 | 107.2900 |
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 | 59721.39294111 |
| 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 | 54.169 |
| HIERARCH ESO ISS PBL12 END | 54.202 |
| HIERARCH ESO ISS PBLA12 START | 19.6 |
| HIERARCH ESO ISS PBLA12 END | 19.8 |
| HIERARCH ESO ISS PBL13 START | 97.632 |
| HIERARCH ESO ISS PBL13 END | 97.714 |
| HIERARCH ESO ISS PBLA13 START | 26.2 |
| HIERARCH ESO ISS PBLA13 END | 26.4 |
| HIERARCH ESO ISS PBL14 START | 123.235 |
| HIERARCH ESO ISS PBL14 END | 123.442 |
| HIERARCH ESO ISS PBLA14 START | 55.735 |
| HIERARCH ESO ISS PBLA14 END | 55.877 |
| HIERARCH ESO ISS PBL23 START | 44.255 |
| HIERARCH ESO ISS PBL23 END | 44.304 |
| HIERARCH ESO ISS PBLA23 START | 34.3 |
| HIERARCH ESO ISS PBLA23 END | 34.4 |
| HIERARCH ESO ISS PBL24 START | 85.634 |
| HIERARCH ESO ISS PBL24 END | 85.783 |
| HIERARCH ESO ISS PBLA24 START | 77.618 |
| HIERARCH ESO ISS PBLA24 END | 77.716 |
| HIERARCH ESO ISS PBL34 START | 61.487 |
| HIERARCH ESO ISS PBL34 END | 61.549 |
| HIERARCH ESO ISS PBLA34 START | 107.231 |
| HIERARCH ESO ISS PBLA34 END | 107.29 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001962 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00197 |
| HIERARCH ESO ISS AMBI TEMP | 8.46 |
| HIERARCH ESO ISS AMBI FWHM START | 1.11 |
| HIERARCH ESO ISS AMBI FWHM END | 1.25 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |