Exposure
- ID
- GRAVI.2022-03-20T10:02:28.684_1
- Header ID
- GRAVI.2022-03-20T10:02:28.684
- Date updated
- 2022-03-20 10:15:32 UTC+0000
- Release date
- 2023-03-20 10:15:32 UTC+0000
- UTC Start
- 2022-03-20 10:02:28.684
- UTC End
- 2022-03-20 10:07:48.684
- MJD Start
- 59658.41838755
- MJD End
- 59658.4220912537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004668
- Ambient temperature (°C)
- 14.64
- Seeing (arcsec)
- 0.555
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 | 56.5530 | 56.5440 | 22.2000 | 22.9000 |
| U1-U3 | 102.4340 | 102.4310 | 28.5000 | 29.1000 |
| U1-U4 | 129.8510 | 130.0060 | 56.2160 | 56.9580 |
| U2-U3 | 46.6290 | 46.6390 | 36.1000 | 36.8000 |
| U2-U4 | 88.8100 | 89.0140 | 77.0910 | 77.8180 |
| U3-U4 | 61.7530 | 61.9380 | 106.8050 | 107.4500 |
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 | 59658.41838755 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.544 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 22.9 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.431 |
| HIERARCH ESO ISS PBLA13 START | 28.5 |
| HIERARCH ESO ISS PBLA13 END | 29.1 |
| HIERARCH ESO ISS PBL14 START | 129.851 |
| HIERARCH ESO ISS PBL14 END | 130.006 |
| HIERARCH ESO ISS PBLA14 START | 56.216 |
| HIERARCH ESO ISS PBLA14 END | 56.958 |
| HIERARCH ESO ISS PBL23 START | 46.629 |
| HIERARCH ESO ISS PBL23 END | 46.639 |
| HIERARCH ESO ISS PBLA23 START | 36.1 |
| HIERARCH ESO ISS PBLA23 END | 36.8 |
| HIERARCH ESO ISS PBL24 START | 88.81 |
| HIERARCH ESO ISS PBL24 END | 89.014 |
| HIERARCH ESO ISS PBLA24 START | 77.091 |
| HIERARCH ESO ISS PBLA24 END | 77.818 |
| HIERARCH ESO ISS PBL34 START | 61.753 |
| HIERARCH ESO ISS PBL34 END | 61.938 |
| HIERARCH ESO ISS PBLA34 START | 106.805 |
| HIERARCH ESO ISS PBLA34 END | 107.45 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004668 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004668 |
| HIERARCH ESO ISS AMBI TEMP | 14.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |