Exposure
- ID
- GRAVI.2022-05-22T10:30:11.273_2
- Header ID
- GRAVI.2022-05-22T10:30:11.273
- Date updated
- 2022-05-24 13:59:26 UTC+0000
- Release date
- 2023-05-22 10:45:25 UTC+0000
- UTC Start
- 2022-05-22 10:30:11.273
- UTC End
- 2022-05-22 10:35:31.273
- MJD Start
- 59721.43763048
- MJD End
- 59721.4413341837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001489
- Ambient temperature (°C)
- 8.36
- Seeing (arcsec)
- 1.165
Observation
- ID
- 50963
- 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
- 35996
- Name
- HD206893
- RA
- 326.341270833333
- DEC
- -12.7833522222222
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.6150 | 55.7250 | 26.7000 | 27.3000 |
| U1-U3 | 100.9450 | 101.1670 | 33.1000 | 33.6000 |
| U1-U4 | 129.6300 | 129.8610 | 61.0810 | 61.4480 |
| U2-U3 | 46.0950 | 46.2030 | 40.9000 | 41.3000 |
| U2-U4 | 89.4070 | 89.4290 | 81.6330 | 81.9460 |
| U3-U4 | 62.2600 | 62.1290 | 110.5480 | 110.9050 |
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 | 59721.43763048 |
| 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 | 55.615 |
| HIERARCH ESO ISS PBL12 END | 55.725 |
| HIERARCH ESO ISS PBLA12 START | 26.7 |
| HIERARCH ESO ISS PBLA12 END | 27.3 |
| HIERARCH ESO ISS PBL13 START | 100.945 |
| HIERARCH ESO ISS PBL13 END | 101.167 |
| HIERARCH ESO ISS PBLA13 START | 33.1 |
| HIERARCH ESO ISS PBLA13 END | 33.6 |
| HIERARCH ESO ISS PBL14 START | 129.63 |
| HIERARCH ESO ISS PBL14 END | 129.861 |
| HIERARCH ESO ISS PBLA14 START | 61.081 |
| HIERARCH ESO ISS PBLA14 END | 61.448 |
| HIERARCH ESO ISS PBL23 START | 46.095 |
| HIERARCH ESO ISS PBL23 END | 46.203 |
| HIERARCH ESO ISS PBLA23 START | 40.9 |
| HIERARCH ESO ISS PBLA23 END | 41.3 |
| HIERARCH ESO ISS PBL24 START | 89.407 |
| HIERARCH ESO ISS PBL24 END | 89.429 |
| HIERARCH ESO ISS PBLA24 START | 81.633 |
| HIERARCH ESO ISS PBLA24 END | 81.946 |
| HIERARCH ESO ISS PBL34 START | 62.26 |
| HIERARCH ESO ISS PBL34 END | 62.129 |
| HIERARCH ESO ISS PBLA34 START | 110.548 |
| HIERARCH ESO ISS PBLA34 END | 110.905 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001489 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001489 |
| HIERARCH ESO ISS AMBI TEMP | 8.36 |
| HIERARCH ESO ISS AMBI FWHM START | 1.22 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | HD206893 |
| HIERARCH ESO FT ROBJ ALPHA | 214521.905 |
| HIERARCH ESO FT ROBJ DELTA | -124700.068 |