Exposure
- ID
- GRAVI.2022-05-20T04:56:02.617_1
- Header ID
- GRAVI.2022-05-20T04:56:02.617
- Date updated
- 2022-05-20 05:10:33 UTC+0000
- Release date
- 2023-05-20 05:10:33 UTC+0000
- UTC Start
- 2022-05-20 04:56:02.617
- UTC End
- 2022-05-20 05:01:22.617
- MJD Start
- 59719.20558584
- MJD End
- 59719.2092895437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008441
- Ambient temperature (°C)
- 13.07
- Seeing (arcsec)
- 0.455
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 | 56.4440 | 56.4620 | 13.7000 | 14.5000 |
| U1-U3 | 101.8560 | 101.9340 | 19.6000 | 20.4000 |
| U1-U4 | 125.3650 | 125.9090 | 46.4550 | 47.3790 |
| U2-U3 | 46.0740 | 46.1440 | 26.8000 | 27.7000 |
| U2-U4 | 83.6710 | 84.2930 | 67.8640 | 68.7250 |
| U3-U4 | 57.5430 | 58.0520 | 99.6070 | 100.2110 |
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 | 59719.20558584 |
| 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 | 56.444 |
| HIERARCH ESO ISS PBL12 END | 56.462 |
| HIERARCH ESO ISS PBLA12 START | 13.7 |
| HIERARCH ESO ISS PBLA12 END | 14.5 |
| HIERARCH ESO ISS PBL13 START | 101.856 |
| HIERARCH ESO ISS PBL13 END | 101.934 |
| HIERARCH ESO ISS PBLA13 START | 19.6 |
| HIERARCH ESO ISS PBLA13 END | 20.4 |
| HIERARCH ESO ISS PBL14 START | 125.365 |
| HIERARCH ESO ISS PBL14 END | 125.909 |
| HIERARCH ESO ISS PBLA14 START | 46.455 |
| HIERARCH ESO ISS PBLA14 END | 47.379 |
| HIERARCH ESO ISS PBL23 START | 46.074 |
| HIERARCH ESO ISS PBL23 END | 46.144 |
| HIERARCH ESO ISS PBLA23 START | 26.8 |
| HIERARCH ESO ISS PBLA23 END | 27.7 |
| HIERARCH ESO ISS PBL24 START | 83.671 |
| HIERARCH ESO ISS PBL24 END | 84.293 |
| HIERARCH ESO ISS PBLA24 START | 67.864 |
| HIERARCH ESO ISS PBLA24 END | 68.725 |
| HIERARCH ESO ISS PBL34 START | 57.543 |
| HIERARCH ESO ISS PBL34 END | 58.052 |
| HIERARCH ESO ISS PBLA34 START | 99.607 |
| HIERARCH ESO ISS PBLA34 END | 100.211 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008941 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007941 |
| HIERARCH ESO ISS AMBI TEMP | 13.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |