Exposure
- ID
- GRAVI.2022-05-20T10:05:12.395_1
- Header ID
- GRAVI.2022-05-20T10:05:12.395
- Date updated
- 2022-05-20 10:11:14 UTC+0000
- Release date
- 2023-05-20 10:11:14 UTC+0000
- UTC Start
- 2022-05-20 10:05:12.395
- UTC End
- 2022-05-20 10:05:32.395
- MJD Start
- 59719.42028235
- MJD End
- 59719.4205138315
- Exposure time (s)
- 20.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007608
- Ambient temperature (°C)
- 12.0
- Seeing (arcsec)
- 0.45
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 | 49.0390 | 49.0040 | 40.7000 | 40.7000 |
| U1-U3 | 85.3320 | 85.2530 | 46.7000 | 46.7000 |
| U1-U4 | 91.9860 | 91.8120 | 80.1580 | 80.2000 |
| U2-U3 | 36.9310 | 36.8860 | 54.8000 | 54.8000 |
| U2-U4 | 62.4850 | 62.3700 | 110.0970 | 110.1960 |
| U3-U4 | 51.4110 | 51.3730 | 146.3070 | 146.4300 |
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 | 59719.42028235 |
| 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 | 34.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 2 |
| HIERARCH ESO ISS PBL12 START | 49.039 |
| HIERARCH ESO ISS PBL12 END | 49.004 |
| HIERARCH ESO ISS PBLA12 START | 40.7 |
| HIERARCH ESO ISS PBLA12 END | 40.7 |
| HIERARCH ESO ISS PBL13 START | 85.332 |
| HIERARCH ESO ISS PBL13 END | 85.253 |
| HIERARCH ESO ISS PBLA13 START | 46.7 |
| HIERARCH ESO ISS PBLA13 END | 46.7 |
| HIERARCH ESO ISS PBL14 START | 91.986 |
| HIERARCH ESO ISS PBL14 END | 91.812 |
| HIERARCH ESO ISS PBLA14 START | 80.158 |
| HIERARCH ESO ISS PBLA14 END | 80.2 |
| HIERARCH ESO ISS PBL23 START | 36.931 |
| HIERARCH ESO ISS PBL23 END | 36.886 |
| HIERARCH ESO ISS PBLA23 START | 54.8 |
| HIERARCH ESO ISS PBLA23 END | 54.8 |
| HIERARCH ESO ISS PBL24 START | 62.485 |
| HIERARCH ESO ISS PBL24 END | 62.37 |
| HIERARCH ESO ISS PBLA24 START | 110.097 |
| HIERARCH ESO ISS PBLA24 END | 110.196 |
| HIERARCH ESO ISS PBL34 START | 51.411 |
| HIERARCH ESO ISS PBL34 END | 51.373 |
| HIERARCH ESO ISS PBLA34 START | 146.307 |
| HIERARCH ESO ISS PBLA34 END | 146.43 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007608 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007608 |
| HIERARCH ESO ISS AMBI TEMP | 12.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |