Exposure
- ID
- GRAVI.2022-06-20T05:14:59.818_1
- Header ID
- GRAVI.2022-06-20T05:14:59.818
- Date updated
- 2022-06-20 13:30:54 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 05:14:59.818
- UTC End
- 2022-06-20 05:20:19.818
- MJD Start
- 59750.21874789
- MJD End
- 59750.2224515937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001315
- Ambient temperature (°C)
- 8.25
- Seeing (arcsec)
- 1.2
Observation
- ID
- 51283
- Category
- science
- Program ID
- 109.22ZA.003
- 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
- 38218
- Name
- S2
- RA
- 266.416937
- DEC
- -29.0072
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.0020 | 55.9110 | 30.1000 | 30.7000 |
| U1-U3 | 101.2710 | 101.0610 | 36.5000 | 37.0000 |
| U1-U4 | 128.2650 | 127.7960 | 64.9010 | 65.4970 |
| U2-U3 | 46.0380 | 45.9190 | 44.3000 | 44.8000 |
| U2-U4 | 88.2460 | 87.9100 | 86.1190 | 86.7980 |
| U3-U4 | 62.0750 | 61.9260 | 115.7690 | 116.5290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.21874789 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416937 |
| DEC | -29.0072 |
| 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 | 56.002 |
| HIERARCH ESO ISS PBL12 END | 55.911 |
| HIERARCH ESO ISS PBLA12 START | 30.1 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 101.271 |
| HIERARCH ESO ISS PBL13 END | 101.061 |
| HIERARCH ESO ISS PBLA13 START | 36.5 |
| HIERARCH ESO ISS PBLA13 END | 37.0 |
| HIERARCH ESO ISS PBL14 START | 128.265 |
| HIERARCH ESO ISS PBL14 END | 127.796 |
| HIERARCH ESO ISS PBLA14 START | 64.901 |
| HIERARCH ESO ISS PBLA14 END | 65.497 |
| HIERARCH ESO ISS PBL23 START | 46.038 |
| HIERARCH ESO ISS PBL23 END | 45.919 |
| HIERARCH ESO ISS PBLA23 START | 44.3 |
| HIERARCH ESO ISS PBLA23 END | 44.8 |
| HIERARCH ESO ISS PBL24 START | 88.246 |
| HIERARCH ESO ISS PBL24 END | 87.91 |
| HIERARCH ESO ISS PBLA24 START | 86.119 |
| HIERARCH ESO ISS PBLA24 END | 86.798 |
| HIERARCH ESO ISS PBL34 START | 62.075 |
| HIERARCH ESO ISS PBL34 END | 61.926 |
| HIERARCH ESO ISS PBLA34 START | 115.769 |
| HIERARCH ESO ISS PBLA34 END | 116.529 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001315 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001315 |
| HIERARCH ESO ISS AMBI TEMP | 8.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.2 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |