Exposure
- ID
- GRAVI.2022-05-20T08:25:39.144_1
- Header ID
- GRAVI.2022-05-20T08:25:39.144
- Date updated
- 2022-05-20 08:40:46 UTC+0000
- Release date
- 2023-05-20 08:40:46 UTC+0000
- UTC Start
- 2022-05-20 08:25:39.144
- UTC End
- 2022-05-20 08:30:59.144
- MJD Start
- 59719.3511475
- MJD End
- 59719.3548512037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078505
- Ambient temperature (°C)
- 12.12
- Seeing (arcsec)
- 0.31
Observation
- ID
- 50946
- 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
- 37997
- Name
- S2
- RA
- 266.416858
- DEC
- -29.00723
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.2920 | 54.0840 | 35.8000 | 36.2000 |
| U1-U3 | 97.3000 | 96.8190 | 42.1000 | 42.5000 |
| U1-U4 | 119.0360 | 117.9170 | 71.6000 | 72.1160 |
| U2-U3 | 43.7480 | 43.4710 | 50.0000 | 50.4000 |
| U2-U4 | 81.4530 | 80.6320 | 94.5490 | 95.2920 |
| U3-U4 | 58.9250 | 58.5520 | 125.9540 | 126.9150 |
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 | 59719.3511475 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 54.292 |
| HIERARCH ESO ISS PBL12 END | 54.084 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.3 |
| HIERARCH ESO ISS PBL13 END | 96.819 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.036 |
| HIERARCH ESO ISS PBL14 END | 117.917 |
| HIERARCH ESO ISS PBLA14 START | 71.6 |
| HIERARCH ESO ISS PBLA14 END | 72.116 |
| HIERARCH ESO ISS PBL23 START | 43.748 |
| HIERARCH ESO ISS PBL23 END | 43.471 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.453 |
| HIERARCH ESO ISS PBL24 END | 80.632 |
| HIERARCH ESO ISS PBLA24 START | 94.549 |
| HIERARCH ESO ISS PBLA24 END | 95.292 |
| HIERARCH ESO ISS PBL34 START | 58.925 |
| HIERARCH ESO ISS PBL34 END | 58.552 |
| HIERARCH ESO ISS PBLA34 START | 125.954 |
| HIERARCH ESO ISS PBLA34 END | 126.915 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007249 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008452 |
| HIERARCH ESO ISS AMBI TEMP | 12.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |