Exposure
- ID
- GRAVI.2022-05-20T09:51:00.360_1
- Header ID
- GRAVI.2022-05-20T09:51:00.360
- Date updated
- 2022-05-20 10:05:55 UTC+0000
- Release date
- 2023-05-20 10:05:55 UTC+0000
- UTC Start
- 2022-05-20 09:51:00.360
- UTC End
- 2022-05-20 09:56:20.360
- MJD Start
- 59719.41042083
- MJD End
- 59719.4141245337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006722
- Ambient temperature (°C)
- 12.01
- Seeing (arcsec)
- 0.51
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 | 50.0010 | 49.6230 | 40.2000 | 40.4000 |
| U1-U3 | 87.4980 | 86.6460 | 46.4000 | 46.5000 |
| U1-U4 | 96.7720 | 94.8840 | 78.9670 | 79.4450 |
| U2-U3 | 38.1540 | 37.6720 | 54.4000 | 54.5000 |
| U2-U4 | 65.6890 | 64.4160 | 107.4000 | 108.4550 |
| U3-U4 | 52.5010 | 52.0580 | 142.8900 | 144.2400 |
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 | 59719.41042083 |
| 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 | 50.001 |
| HIERARCH ESO ISS PBL12 END | 49.623 |
| HIERARCH ESO ISS PBLA12 START | 40.2 |
| HIERARCH ESO ISS PBLA12 END | 40.4 |
| HIERARCH ESO ISS PBL13 START | 87.498 |
| HIERARCH ESO ISS PBL13 END | 86.646 |
| HIERARCH ESO ISS PBLA13 START | 46.4 |
| HIERARCH ESO ISS PBLA13 END | 46.5 |
| HIERARCH ESO ISS PBL14 START | 96.772 |
| HIERARCH ESO ISS PBL14 END | 94.884 |
| HIERARCH ESO ISS PBLA14 START | 78.967 |
| HIERARCH ESO ISS PBLA14 END | 79.445 |
| HIERARCH ESO ISS PBL23 START | 38.154 |
| HIERARCH ESO ISS PBL23 END | 37.672 |
| HIERARCH ESO ISS PBLA23 START | 54.4 |
| HIERARCH ESO ISS PBLA23 END | 54.5 |
| HIERARCH ESO ISS PBL24 START | 65.689 |
| HIERARCH ESO ISS PBL24 END | 64.416 |
| HIERARCH ESO ISS PBLA24 START | 107.4 |
| HIERARCH ESO ISS PBLA24 END | 108.455 |
| HIERARCH ESO ISS PBL34 START | 52.501 |
| HIERARCH ESO ISS PBL34 END | 52.058 |
| HIERARCH ESO ISS PBLA34 START | 142.89 |
| HIERARCH ESO ISS PBLA34 END | 144.24 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006636 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006808 |
| HIERARCH ESO ISS AMBI TEMP | 12.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |