Exposure
- ID
- GRAVI.2022-05-20T06:45:26.892_1
- Header ID
- GRAVI.2022-05-20T06:45:26.892
- Date updated
- 2022-05-20 07:00:44 UTC+0000
- Release date
- 2023-05-20 07:00:44 UTC+0000
- UTC Start
- 2022-05-20 06:45:26.892
- UTC End
- 2022-05-20 06:50:46.892
- MJD Start
- 59719.28156125
- MJD End
- 59719.2852649537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009701
- Ambient temperature (°C)
- 12.89
- Seeing (arcsec)
- 0.305
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 | 56.3650 | 56.3150 | 27.0000 | 27.6000 |
| U1-U3 | 102.0910 | 101.9820 | 33.3000 | 33.9000 |
| U1-U4 | 129.9290 | 129.7410 | 61.4420 | 62.0900 |
| U2-U3 | 46.4940 | 46.4360 | 41.1000 | 41.7000 |
| U2-U4 | 89.3460 | 89.2420 | 82.3580 | 83.0420 |
| U3-U4 | 62.4710 | 62.4550 | 111.7770 | 112.4760 |
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 | 59719.28156125 |
| 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 | 56.365 |
| HIERARCH ESO ISS PBL12 END | 56.315 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 102.091 |
| HIERARCH ESO ISS PBL13 END | 101.982 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 33.9 |
| HIERARCH ESO ISS PBL14 START | 129.929 |
| HIERARCH ESO ISS PBL14 END | 129.741 |
| HIERARCH ESO ISS PBLA14 START | 61.442 |
| HIERARCH ESO ISS PBLA14 END | 62.09 |
| HIERARCH ESO ISS PBL23 START | 46.494 |
| HIERARCH ESO ISS PBL23 END | 46.436 |
| HIERARCH ESO ISS PBLA23 START | 41.1 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.346 |
| HIERARCH ESO ISS PBL24 END | 89.242 |
| HIERARCH ESO ISS PBLA24 START | 82.358 |
| HIERARCH ESO ISS PBLA24 END | 83.042 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.455 |
| HIERARCH ESO ISS PBLA34 START | 111.777 |
| HIERARCH ESO ISS PBLA34 END | 112.476 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008332 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01107 |
| HIERARCH ESO ISS AMBI TEMP | 12.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |