Exposure
- ID
- GRAVI.2022-03-20T09:13:46.562_1
- Header ID
- GRAVI.2022-03-20T09:13:46.562
- Date updated
- 2022-03-20 09:30:31 UTC+0000
- Release date
- 2023-03-20 09:30:31 UTC+0000
- UTC Start
- 2022-03-20 09:13:46.562
- UTC End
- 2022-03-20 09:19:06.562
- MJD Start
- 59658.38456669
- MJD End
- 59658.3882703937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065795
- Ambient temperature (°C)
- 15.33
- Seeing (arcsec)
- 0.595
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 | 56.4990 | 56.5140 | 16.1000 | 16.8000 |
| U1-U3 | 102.0910 | 102.1580 | 22.1000 | 22.9000 |
| U1-U4 | 126.9940 | 127.4580 | 49.3080 | 50.1820 |
| U2-U3 | 46.2850 | 46.3450 | 29.5000 | 30.3000 |
| U2-U4 | 85.5240 | 86.0480 | 70.5250 | 71.3430 |
| U3-U4 | 59.0530 | 59.4770 | 101.5140 | 102.1250 |
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 | 59658.38456669 |
| 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 | 56.499 |
| HIERARCH ESO ISS PBL12 END | 56.514 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 16.8 |
| HIERARCH ESO ISS PBL13 START | 102.091 |
| HIERARCH ESO ISS PBL13 END | 102.158 |
| HIERARCH ESO ISS PBLA13 START | 22.1 |
| HIERARCH ESO ISS PBLA13 END | 22.9 |
| HIERARCH ESO ISS PBL14 START | 126.994 |
| HIERARCH ESO ISS PBL14 END | 127.458 |
| HIERARCH ESO ISS PBLA14 START | 49.308 |
| HIERARCH ESO ISS PBLA14 END | 50.182 |
| HIERARCH ESO ISS PBL23 START | 46.285 |
| HIERARCH ESO ISS PBL23 END | 46.345 |
| HIERARCH ESO ISS PBLA23 START | 29.5 |
| HIERARCH ESO ISS PBLA23 END | 30.3 |
| HIERARCH ESO ISS PBL24 START | 85.524 |
| HIERARCH ESO ISS PBL24 END | 86.048 |
| HIERARCH ESO ISS PBLA24 START | 70.525 |
| HIERARCH ESO ISS PBLA24 END | 71.343 |
| HIERARCH ESO ISS PBL34 START | 59.053 |
| HIERARCH ESO ISS PBL34 END | 59.477 |
| HIERARCH ESO ISS PBLA34 START | 101.514 |
| HIERARCH ESO ISS PBLA34 END | 102.125 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006861 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006298 |
| HIERARCH ESO ISS AMBI TEMP | 15.33 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |