Exposure
- ID
- GRAVI.2022-05-20T08:41:12.184_1
- Header ID
- GRAVI.2022-05-20T08:41:12.184
- Date updated
- 2022-05-20 08:55:26 UTC+0000
- Release date
- 2023-05-20 08:55:26 UTC+0000
- UTC Start
- 2022-05-20 08:41:12.184
- UTC End
- 2022-05-20 08:46:32.184
- MJD Start
- 59719.36194657
- MJD End
- 59719.3656502737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00774
- Ambient temperature (°C)
- 12.09
- Seeing (arcsec)
- 0.295
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 | 53.6980 | 53.4610 | 36.8000 | 37.2000 |
| U1-U3 | 95.9270 | 95.3810 | 43.1000 | 43.5000 |
| U1-U4 | 115.8470 | 114.5860 | 73.0000 | 73.5010 |
| U2-U3 | 42.9580 | 42.6450 | 51.0000 | 51.4000 |
| U2-U4 | 79.1200 | 78.2030 | 96.6080 | 97.3800 |
| U3-U4 | 57.8750 | 57.4710 | 128.6340 | 129.6510 |
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 | 59719.36194657 |
| 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 | 53.698 |
| HIERARCH ESO ISS PBL12 END | 53.461 |
| HIERARCH ESO ISS PBLA12 START | 36.8 |
| HIERARCH ESO ISS PBLA12 END | 37.2 |
| HIERARCH ESO ISS PBL13 START | 95.927 |
| HIERARCH ESO ISS PBL13 END | 95.381 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.5 |
| HIERARCH ESO ISS PBL14 START | 115.847 |
| HIERARCH ESO ISS PBL14 END | 114.586 |
| HIERARCH ESO ISS PBLA14 START | 73.0 |
| HIERARCH ESO ISS PBLA14 END | 73.501 |
| HIERARCH ESO ISS PBL23 START | 42.958 |
| HIERARCH ESO ISS PBL23 END | 42.645 |
| HIERARCH ESO ISS PBLA23 START | 51.0 |
| HIERARCH ESO ISS PBLA23 END | 51.4 |
| HIERARCH ESO ISS PBL24 START | 79.12 |
| HIERARCH ESO ISS PBL24 END | 78.203 |
| HIERARCH ESO ISS PBLA24 START | 96.608 |
| HIERARCH ESO ISS PBLA24 END | 97.38 |
| HIERARCH ESO ISS PBL34 START | 57.875 |
| HIERARCH ESO ISS PBL34 END | 57.471 |
| HIERARCH ESO ISS PBLA34 START | 128.634 |
| HIERARCH ESO ISS PBLA34 END | 129.651 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008058 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007422 |
| HIERARCH ESO ISS AMBI TEMP | 12.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |