Exposure
- ID
- GRAVI.2022-03-20T09:06:52.544_1
- Header ID
- GRAVI.2022-03-20T09:06:52.544
- Date updated
- 2022-03-20 09:20:15 UTC+0000
- Release date
- 2023-03-20 09:20:15 UTC+0000
- UTC Start
- 2022-03-20 09:06:52.544
- UTC End
- 2022-03-20 09:12:12.544
- MJD Start
- 59658.37977482
- MJD End
- 59658.3834785237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066625
- Ambient temperature (°C)
- 15.44
- Seeing (arcsec)
- 0.525
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 | 56.4790 | 56.4950 | 15.2000 | 15.9000 |
| U1-U3 | 102.0050 | 102.0770 | 21.1000 | 21.9000 |
| U1-U4 | 126.3960 | 126.8940 | 48.2290 | 49.1240 |
| U2-U3 | 46.2070 | 46.2720 | 28.4000 | 29.3000 |
| U2-U4 | 84.8470 | 85.4110 | 69.5180 | 70.3530 |
| U3-U4 | 58.5030 | 58.9610 | 100.7780 | 101.3870 |
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 | 59658.37977482 |
| 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 | 56.479 |
| HIERARCH ESO ISS PBL12 END | 56.495 |
| HIERARCH ESO ISS PBLA12 START | 15.2 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 102.005 |
| HIERARCH ESO ISS PBL13 END | 102.077 |
| HIERARCH ESO ISS PBLA13 START | 21.1 |
| HIERARCH ESO ISS PBLA13 END | 21.9 |
| HIERARCH ESO ISS PBL14 START | 126.396 |
| HIERARCH ESO ISS PBL14 END | 126.894 |
| HIERARCH ESO ISS PBLA14 START | 48.229 |
| HIERARCH ESO ISS PBLA14 END | 49.124 |
| HIERARCH ESO ISS PBL23 START | 46.207 |
| HIERARCH ESO ISS PBL23 END | 46.272 |
| HIERARCH ESO ISS PBLA23 START | 28.4 |
| HIERARCH ESO ISS PBLA23 END | 29.3 |
| HIERARCH ESO ISS PBL24 START | 84.847 |
| HIERARCH ESO ISS PBL24 END | 85.411 |
| HIERARCH ESO ISS PBLA24 START | 69.518 |
| HIERARCH ESO ISS PBLA24 END | 70.353 |
| HIERARCH ESO ISS PBL34 START | 58.503 |
| HIERARCH ESO ISS PBL34 END | 58.961 |
| HIERARCH ESO ISS PBLA34 START | 100.778 |
| HIERARCH ESO ISS PBLA34 END | 101.387 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00697 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006355 |
| HIERARCH ESO ISS AMBI TEMP | 15.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |