Exposure
- ID
- GRAVI.2022-03-20T09:34:28.614_1
- Header ID
- GRAVI.2022-03-20T09:34:28.614
- Date updated
- 2022-03-20 09:50:56 UTC+0000
- Release date
- 2023-03-20 09:50:56 UTC+0000
- UTC Start
- 2022-03-20 09:34:28.614
- UTC End
- 2022-03-20 09:39:48.614
- MJD Start
- 59658.39894229
- MJD End
- 59658.4026459937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005537
- Ambient temperature (°C)
- 14.73
- Seeing (arcsec)
- 0.605
Observation
- ID
- 49993
- Category
- science
- Program ID
- 108.2248.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ PERRIN/ HORROBIN/ PAUMARD/ LACOUR/ HEIßEL/ VINCENT
Target
- ID
- 37361
- Name
- S2
- RA
- 266.416769
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5450 | 56.5530 | 18.8000 | 19.5000 |
| U1-U3 | 102.3050 | 102.3490 | 24.9000 | 25.7000 |
| U1-U4 | 128.5200 | 128.8650 | 52.3840 | 53.1980 |
| U2-U3 | 46.4800 | 46.5230 | 32.4000 | 33.2000 |
| U2-U4 | 87.2480 | 87.6420 | 73.4160 | 74.1880 |
| U3-U4 | 60.4500 | 60.7720 | 103.7320 | 104.3530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.2248.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59658.39894229 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416769 |
| DEC | -29.00713 |
| 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 | 56.545 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 18.8 |
| HIERARCH ESO ISS PBLA12 END | 19.5 |
| HIERARCH ESO ISS PBL13 START | 102.305 |
| HIERARCH ESO ISS PBL13 END | 102.349 |
| HIERARCH ESO ISS PBLA13 START | 24.9 |
| HIERARCH ESO ISS PBLA13 END | 25.7 |
| HIERARCH ESO ISS PBL14 START | 128.52 |
| HIERARCH ESO ISS PBL14 END | 128.865 |
| HIERARCH ESO ISS PBLA14 START | 52.384 |
| HIERARCH ESO ISS PBLA14 END | 53.198 |
| HIERARCH ESO ISS PBL23 START | 46.48 |
| HIERARCH ESO ISS PBL23 END | 46.523 |
| HIERARCH ESO ISS PBLA23 START | 32.4 |
| HIERARCH ESO ISS PBLA23 END | 33.2 |
| HIERARCH ESO ISS PBL24 START | 87.248 |
| HIERARCH ESO ISS PBL24 END | 87.642 |
| HIERARCH ESO ISS PBLA24 START | 73.416 |
| HIERARCH ESO ISS PBLA24 END | 74.188 |
| HIERARCH ESO ISS PBL34 START | 60.45 |
| HIERARCH ESO ISS PBL34 END | 60.772 |
| HIERARCH ESO ISS PBLA34 START | 103.732 |
| HIERARCH ESO ISS PBLA34 END | 104.353 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005629 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005445 |
| HIERARCH ESO ISS AMBI TEMP | 14.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| 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 | -290027.5310 |