Exposure
- ID
- GRAVI.2022-05-20T08:05:15.093_1
- Header ID
- GRAVI.2022-05-20T08:05:15.093
- Date updated
- 2022-05-20 08:20:48 UTC+0000
- Release date
- 2023-05-20 08:20:47 UTC+0000
- UTC Start
- 2022-05-20 08:05:15.093
- UTC End
- 2022-05-20 08:10:35.093
- MJD Start
- 59719.33698024
- MJD End
- 59719.3406839437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0077905
- Ambient temperature (°C)
- 12.26
- Seeing (arcsec)
- 0.345
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 | 54.9470 | 54.7770 | 34.3000 | 34.7000 |
| U1-U3 | 98.8200 | 98.4250 | 40.6000 | 41.1000 |
| U1-U4 | 122.5920 | 121.6670 | 69.7130 | 70.2480 |
| U2-U3 | 44.6260 | 44.3980 | 48.5000 | 48.9000 |
| U2-U4 | 84.0760 | 83.3920 | 91.9680 | 92.6800 |
| U3-U4 | 60.1380 | 59.8190 | 122.6790 | 123.5710 |
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 | 59719.33698024 |
| 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 | 54.947 |
| HIERARCH ESO ISS PBL12 END | 54.777 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.7 |
| HIERARCH ESO ISS PBL13 START | 98.82 |
| HIERARCH ESO ISS PBL13 END | 98.425 |
| HIERARCH ESO ISS PBLA13 START | 40.6 |
| HIERARCH ESO ISS PBLA13 END | 41.1 |
| HIERARCH ESO ISS PBL14 START | 122.592 |
| HIERARCH ESO ISS PBL14 END | 121.667 |
| HIERARCH ESO ISS PBLA14 START | 69.713 |
| HIERARCH ESO ISS PBLA14 END | 70.248 |
| HIERARCH ESO ISS PBL23 START | 44.626 |
| HIERARCH ESO ISS PBL23 END | 44.398 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 84.076 |
| HIERARCH ESO ISS PBL24 END | 83.392 |
| HIERARCH ESO ISS PBLA24 START | 91.968 |
| HIERARCH ESO ISS PBLA24 END | 92.68 |
| HIERARCH ESO ISS PBL34 START | 60.138 |
| HIERARCH ESO ISS PBL34 END | 59.819 |
| HIERARCH ESO ISS PBLA34 START | 122.679 |
| HIERARCH ESO ISS PBLA34 END | 123.571 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008306 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007275 |
| HIERARCH ESO ISS AMBI TEMP | 12.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |