Exposure
- ID
- GRAVI.2022-05-22T10:08:05.218_1
- Header ID
- GRAVI.2022-05-22T10:08:05.218
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 10:20:47 UTC+0000
- UTC Start
- 2022-05-22 10:08:05.218
- UTC End
- 2022-05-22 10:13:25.218
- MJD Start
- 59721.42228261
- MJD End
- 59721.4259863137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001848
- Ambient temperature (°C)
- 8.32
- Seeing (arcsec)
- 1.135
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 | 55.1490 | 55.2730 | 24.5000 | 25.1000 |
| U1-U3 | 99.9460 | 100.2200 | 31.0000 | 31.6000 |
| U1-U4 | 128.1910 | 128.6390 | 59.4990 | 59.9270 |
| U2-U3 | 45.5810 | 45.7270 | 38.9000 | 39.4000 |
| U2-U4 | 88.8350 | 89.0550 | 80.3580 | 80.6930 |
| U3-U4 | 62.4700 | 62.4630 | 109.2620 | 109.5750 |
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 | 59721.42228261 |
| 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 | 55.149 |
| HIERARCH ESO ISS PBL12 END | 55.273 |
| HIERARCH ESO ISS PBLA12 START | 24.5 |
| HIERARCH ESO ISS PBLA12 END | 25.1 |
| HIERARCH ESO ISS PBL13 START | 99.946 |
| HIERARCH ESO ISS PBL13 END | 100.22 |
| HIERARCH ESO ISS PBLA13 START | 31.0 |
| HIERARCH ESO ISS PBLA13 END | 31.6 |
| HIERARCH ESO ISS PBL14 START | 128.191 |
| HIERARCH ESO ISS PBL14 END | 128.639 |
| HIERARCH ESO ISS PBLA14 START | 59.499 |
| HIERARCH ESO ISS PBLA14 END | 59.927 |
| HIERARCH ESO ISS PBL23 START | 45.581 |
| HIERARCH ESO ISS PBL23 END | 45.727 |
| HIERARCH ESO ISS PBLA23 START | 38.9 |
| HIERARCH ESO ISS PBLA23 END | 39.4 |
| HIERARCH ESO ISS PBL24 START | 88.835 |
| HIERARCH ESO ISS PBL24 END | 89.055 |
| HIERARCH ESO ISS PBLA24 START | 80.358 |
| HIERARCH ESO ISS PBLA24 END | 80.693 |
| HIERARCH ESO ISS PBL34 START | 62.47 |
| HIERARCH ESO ISS PBL34 END | 62.463 |
| HIERARCH ESO ISS PBLA34 START | 109.262 |
| HIERARCH ESO ISS PBLA34 END | 109.575 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001858 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001838 |
| HIERARCH ESO ISS AMBI TEMP | 8.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.07 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |