Exposure
- ID
- GRAVI.2022-05-20T05:19:41.676_1
- Header ID
- GRAVI.2022-05-20T05:19:41.676
- Date updated
- 2022-05-20 05:35:33 UTC+0000
- Release date
- 2023-05-20 05:35:33 UTC+0000
- UTC Start
- 2022-05-20 05:19:41.676
- UTC End
- 2022-05-20 05:25:01.676
- MJD Start
- 59719.22201014
- MJD End
- 59719.2257138437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083285
- Ambient temperature (°C)
- 12.97
- Seeing (arcsec)
- 0.44
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 | 56.5140 | 56.5270 | 16.8000 | 17.6000 |
| U1-U3 | 102.1580 | 102.2190 | 22.9000 | 23.7000 |
| U1-U4 | 127.4560 | 127.8870 | 50.1790 | 51.0300 |
| U2-U3 | 46.3450 | 46.4000 | 30.3000 | 31.1000 |
| U2-U4 | 86.0460 | 86.5320 | 71.3400 | 72.1390 |
| U3-U4 | 59.4750 | 59.8690 | 102.1220 | 102.7320 |
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 | 59719.22201014 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.514 |
| HIERARCH ESO ISS PBL12 END | 56.527 |
| HIERARCH ESO ISS PBLA12 START | 16.8 |
| HIERARCH ESO ISS PBLA12 END | 17.6 |
| HIERARCH ESO ISS PBL13 START | 102.158 |
| HIERARCH ESO ISS PBL13 END | 102.219 |
| HIERARCH ESO ISS PBLA13 START | 22.9 |
| HIERARCH ESO ISS PBLA13 END | 23.7 |
| HIERARCH ESO ISS PBL14 START | 127.456 |
| HIERARCH ESO ISS PBL14 END | 127.887 |
| HIERARCH ESO ISS PBLA14 START | 50.179 |
| HIERARCH ESO ISS PBLA14 END | 51.03 |
| HIERARCH ESO ISS PBL23 START | 46.345 |
| HIERARCH ESO ISS PBL23 END | 46.4 |
| HIERARCH ESO ISS PBLA23 START | 30.3 |
| HIERARCH ESO ISS PBLA23 END | 31.1 |
| HIERARCH ESO ISS PBL24 START | 86.046 |
| HIERARCH ESO ISS PBL24 END | 86.532 |
| HIERARCH ESO ISS PBLA24 START | 71.34 |
| HIERARCH ESO ISS PBLA24 END | 72.139 |
| HIERARCH ESO ISS PBL34 START | 59.475 |
| HIERARCH ESO ISS PBL34 END | 59.869 |
| HIERARCH ESO ISS PBLA34 START | 102.122 |
| HIERARCH ESO ISS PBLA34 END | 102.732 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007515 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009142 |
| HIERARCH ESO ISS AMBI TEMP | 12.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |