Exposure
- ID
- GRAVI.2022-06-20T04:46:14.745_1
- Header ID
- GRAVI.2022-06-20T04:46:14.745
- Date updated
- 2022-06-20 13:25:42 UTC+0000
- Release date
- 2023-06-20 13:25:42 UTC+0000
- UTC Start
- 2022-06-20 04:46:14.745
- UTC End
- 2022-06-20 04:51:34.745
- MJD Start
- 59750.19878177
- MJD End
- 59750.2024854737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001695
- Ambient temperature (°C)
- 8.7
- Seeing (arcsec)
- 1.305
Observation
- ID
- 51283
- Category
- science
- Program ID
- 109.22ZA.003
- 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
- 38218
- Name
- S2
- RA
- 266.416937
- DEC
- -29.0072
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3420 | 56.2900 | 27.3000 | 27.9000 |
| U1-U3 | 102.0410 | 101.9250 | 33.6000 | 34.2000 |
| U1-U4 | 129.8460 | 129.6350 | 61.7620 | 62.4000 |
| U2-U3 | 46.4680 | 46.4050 | 41.4000 | 42.0000 |
| U2-U4 | 89.3010 | 89.1780 | 82.6940 | 83.3720 |
| U3-U4 | 62.4670 | 62.4390 | 112.1190 | 112.8160 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.19878177 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416937 |
| DEC | -29.0072 |
| 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 | 56.342 |
| HIERARCH ESO ISS PBL12 END | 56.29 |
| HIERARCH ESO ISS PBLA12 START | 27.3 |
| HIERARCH ESO ISS PBLA12 END | 27.9 |
| HIERARCH ESO ISS PBL13 START | 102.041 |
| HIERARCH ESO ISS PBL13 END | 101.925 |
| HIERARCH ESO ISS PBLA13 START | 33.6 |
| HIERARCH ESO ISS PBLA13 END | 34.2 |
| HIERARCH ESO ISS PBL14 START | 129.846 |
| HIERARCH ESO ISS PBL14 END | 129.635 |
| HIERARCH ESO ISS PBLA14 START | 61.762 |
| HIERARCH ESO ISS PBLA14 END | 62.4 |
| HIERARCH ESO ISS PBL23 START | 46.468 |
| HIERARCH ESO ISS PBL23 END | 46.405 |
| HIERARCH ESO ISS PBLA23 START | 41.4 |
| HIERARCH ESO ISS PBLA23 END | 42.0 |
| HIERARCH ESO ISS PBL24 START | 89.301 |
| HIERARCH ESO ISS PBL24 END | 89.178 |
| HIERARCH ESO ISS PBLA24 START | 82.694 |
| HIERARCH ESO ISS PBLA24 END | 83.372 |
| HIERARCH ESO ISS PBL34 START | 62.467 |
| HIERARCH ESO ISS PBL34 END | 62.439 |
| HIERARCH ESO ISS PBLA34 START | 112.119 |
| HIERARCH ESO ISS PBLA34 END | 112.816 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001695 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001695 |
| HIERARCH ESO ISS AMBI TEMP | 8.7 |
| HIERARCH ESO ISS AMBI FWHM START | 1.29 |
| HIERARCH ESO ISS AMBI FWHM END | 1.32 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |