Exposure
- ID
- GRAVI.2022-05-20T09:58:21.378_1
- Header ID
- GRAVI.2022-05-20T09:58:21.378
- Date updated
- 2022-05-20 10:05:55 UTC+0000
- Release date
- 2023-05-20 10:05:55 UTC+0000
- UTC Start
- 2022-05-20 09:58:21.378
- UTC End
- 2022-05-20 09:58:41.378
- MJD Start
- 59719.41552521
- MJD End
- 59719.4157566915
- Exposure time (s)
- 20.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0071175
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 0.535
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 | 49.5110 | 49.4770 | 40.5000 | 40.5000 |
| U1-U3 | 86.3930 | 86.3170 | 46.6000 | 46.6000 |
| U1-U4 | 94.3260 | 94.1570 | 79.5840 | 79.6260 |
| U2-U3 | 37.5300 | 37.4860 | 54.6000 | 54.6000 |
| U2-U4 | 64.0420 | 63.9290 | 108.7690 | 108.8640 |
| U3-U4 | 51.9310 | 51.8920 | 144.6380 | 144.7590 |
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 | 59719.41552521 |
| 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 | 49.511 |
| HIERARCH ESO ISS PBL12 END | 49.477 |
| HIERARCH ESO ISS PBLA12 START | 40.5 |
| HIERARCH ESO ISS PBLA12 END | 40.5 |
| HIERARCH ESO ISS PBL13 START | 86.393 |
| HIERARCH ESO ISS PBL13 END | 86.317 |
| HIERARCH ESO ISS PBLA13 START | 46.6 |
| HIERARCH ESO ISS PBLA13 END | 46.6 |
| HIERARCH ESO ISS PBL14 START | 94.326 |
| HIERARCH ESO ISS PBL14 END | 94.157 |
| HIERARCH ESO ISS PBLA14 START | 79.584 |
| HIERARCH ESO ISS PBLA14 END | 79.626 |
| HIERARCH ESO ISS PBL23 START | 37.53 |
| HIERARCH ESO ISS PBL23 END | 37.486 |
| HIERARCH ESO ISS PBLA23 START | 54.6 |
| HIERARCH ESO ISS PBLA23 END | 54.6 |
| HIERARCH ESO ISS PBL24 START | 64.042 |
| HIERARCH ESO ISS PBL24 END | 63.929 |
| HIERARCH ESO ISS PBLA24 START | 108.769 |
| HIERARCH ESO ISS PBLA24 END | 108.864 |
| HIERARCH ESO ISS PBL34 START | 51.931 |
| HIERARCH ESO ISS PBL34 END | 51.892 |
| HIERARCH ESO ISS PBLA34 START | 144.638 |
| HIERARCH ESO ISS PBLA34 END | 144.759 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006471 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007764 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |