Exposure
- ID
- GRAVI.2022-05-20T10:07:48.401_1
- Header ID
- GRAVI.2022-05-20T10:07:48.401
- Date updated
- 2022-05-20 10:15:58 UTC+0000
- Release date
- 2023-05-20 10:15:58 UTC+0000
- UTC Start
- 2022-05-20 10:07:48.401
- UTC End
- 2022-05-20 10:08:08.401
- MJD Start
- 59719.42208798
- MJD End
- 59719.4223194615
- Exposure time (s)
- 20.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006152
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 0.46
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 | 48.8530 | 48.8190 | 40.7000 | 40.7000 |
| U1-U3 | 84.9140 | 84.8380 | 46.8000 | 46.8000 |
| U1-U4 | 91.0670 | 90.9000 | 80.3790 | 80.4190 |
| U2-U3 | 36.6950 | 36.6520 | 54.8000 | 54.8000 |
| U2-U4 | 61.8780 | 61.7680 | 110.6250 | 110.7210 |
| U3-U4 | 51.2130 | 51.1780 | 146.9610 | 147.0800 |
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 | 59719.42208798 |
| 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 | 34.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 2 |
| HIERARCH ESO ISS PBL12 START | 48.853 |
| HIERARCH ESO ISS PBL12 END | 48.819 |
| HIERARCH ESO ISS PBLA12 START | 40.7 |
| HIERARCH ESO ISS PBLA12 END | 40.7 |
| HIERARCH ESO ISS PBL13 START | 84.914 |
| HIERARCH ESO ISS PBL13 END | 84.838 |
| HIERARCH ESO ISS PBLA13 START | 46.8 |
| HIERARCH ESO ISS PBLA13 END | 46.8 |
| HIERARCH ESO ISS PBL14 START | 91.067 |
| HIERARCH ESO ISS PBL14 END | 90.9 |
| HIERARCH ESO ISS PBLA14 START | 80.379 |
| HIERARCH ESO ISS PBLA14 END | 80.419 |
| HIERARCH ESO ISS PBL23 START | 36.695 |
| HIERARCH ESO ISS PBL23 END | 36.652 |
| HIERARCH ESO ISS PBLA23 START | 54.8 |
| HIERARCH ESO ISS PBLA23 END | 54.8 |
| HIERARCH ESO ISS PBL24 START | 61.878 |
| HIERARCH ESO ISS PBL24 END | 61.768 |
| HIERARCH ESO ISS PBLA24 START | 110.625 |
| HIERARCH ESO ISS PBLA24 END | 110.721 |
| HIERARCH ESO ISS PBL34 START | 51.213 |
| HIERARCH ESO ISS PBL34 END | 51.178 |
| HIERARCH ESO ISS PBLA34 START | 146.961 |
| HIERARCH ESO ISS PBLA34 END | 147.08 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006152 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006152 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |