Exposure
- ID
- GRAVI.2022-06-20T07:24:27.143_1
- Header ID
- GRAVI.2022-06-20T07:24:27.143
- Date updated
- 2022-06-20 13:30:55 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 07:24:27.143
- UTC End
- 2022-06-20 07:29:47.143
- MJD Start
- 59750.30864749
- MJD End
- 59750.3123511937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002805
- Ambient temperature (°C)
- 7.54
- Seeing (arcsec)
- 0.99
Observation
- ID
- 51285
- 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
- 38220
- Name
- S2
- RA
- 266.41687
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.5060 | 51.1770 | 39.3000 | 39.5000 |
| U1-U3 | 90.9060 | 90.1600 | 45.5000 | 45.7000 |
| U1-U4 | 104.3880 | 102.7100 | 76.8930 | 77.3740 |
| U2-U3 | 40.0880 | 39.6630 | 53.4000 | 53.7000 |
| U2-U4 | 70.9330 | 69.7640 | 103.1950 | 104.1200 |
| U3-U4 | 54.4520 | 54.0000 | 137.3860 | 138.6090 |
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 | 59750.30864749 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41687 |
| DEC | -29.00722 |
| 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 | 51.506 |
| HIERARCH ESO ISS PBL12 END | 51.177 |
| HIERARCH ESO ISS PBLA12 START | 39.3 |
| HIERARCH ESO ISS PBLA12 END | 39.5 |
| HIERARCH ESO ISS PBL13 START | 90.906 |
| HIERARCH ESO ISS PBL13 END | 90.16 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.7 |
| HIERARCH ESO ISS PBL14 START | 104.388 |
| HIERARCH ESO ISS PBL14 END | 102.71 |
| HIERARCH ESO ISS PBLA14 START | 76.893 |
| HIERARCH ESO ISS PBLA14 END | 77.374 |
| HIERARCH ESO ISS PBL23 START | 40.088 |
| HIERARCH ESO ISS PBL23 END | 39.663 |
| HIERARCH ESO ISS PBLA23 START | 53.4 |
| HIERARCH ESO ISS PBLA23 END | 53.7 |
| HIERARCH ESO ISS PBL24 START | 70.933 |
| HIERARCH ESO ISS PBL24 END | 69.764 |
| HIERARCH ESO ISS PBLA24 START | 103.195 |
| HIERARCH ESO ISS PBLA24 END | 104.12 |
| HIERARCH ESO ISS PBL34 START | 54.452 |
| HIERARCH ESO ISS PBL34 END | 54.0 |
| HIERARCH ESO ISS PBLA34 START | 137.386 |
| HIERARCH ESO ISS PBLA34 END | 138.609 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002805 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002805 |
| HIERARCH ESO ISS AMBI TEMP | 7.54 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |