Exposure
- ID
- GRAVI.2022-05-23T05:11:42.459_1
- Header ID
- GRAVI.2022-05-23T05:11:42.459
- Date updated
- 2022-05-23 05:31:02 UTC+0000
- Release date
- 2023-05-23 05:31:01 UTC+0000
- UTC Start
- 2022-05-23 05:11:42.459
- UTC End
- 2022-05-23 05:17:02.459
- MJD Start
- 59722.21646365
- MJD End
- 59722.2201673537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006319
- Ambient temperature (°C)
- 11.35
- Seeing (arcsec)
- 0.53
Observation
- ID
- 50989
- 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
- 38024
- Name
- S2
- RA
- 266.416568
- DEC
- -29.00742
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5230 | 56.5350 | 17.3000 | 18.1000 |
| U1-U3 | 102.1990 | 102.2560 | 23.4000 | 24.2000 |
| U1-U4 | 127.7470 | 128.1590 | 50.7480 | 51.5940 |
| U2-U3 | 46.3820 | 46.4350 | 30.8000 | 31.6000 |
| U2-U4 | 86.3730 | 86.8380 | 71.8740 | 72.6700 |
| U3-U4 | 59.7400 | 60.1170 | 102.5290 | 103.1440 |
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 | 59722.21646365 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416568 |
| DEC | -29.00742 |
| 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 | 56.523 |
| HIERARCH ESO ISS PBL12 END | 56.535 |
| HIERARCH ESO ISS PBLA12 START | 17.3 |
| HIERARCH ESO ISS PBLA12 END | 18.1 |
| HIERARCH ESO ISS PBL13 START | 102.199 |
| HIERARCH ESO ISS PBL13 END | 102.256 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.2 |
| HIERARCH ESO ISS PBL14 START | 127.747 |
| HIERARCH ESO ISS PBL14 END | 128.159 |
| HIERARCH ESO ISS PBLA14 START | 50.748 |
| HIERARCH ESO ISS PBLA14 END | 51.594 |
| HIERARCH ESO ISS PBL23 START | 46.382 |
| HIERARCH ESO ISS PBL23 END | 46.435 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 31.6 |
| HIERARCH ESO ISS PBL24 START | 86.373 |
| HIERARCH ESO ISS PBL24 END | 86.838 |
| HIERARCH ESO ISS PBLA24 START | 71.874 |
| HIERARCH ESO ISS PBLA24 END | 72.67 |
| HIERARCH ESO ISS PBL34 START | 59.74 |
| HIERARCH ESO ISS PBL34 END | 60.117 |
| HIERARCH ESO ISS PBLA34 START | 102.529 |
| HIERARCH ESO ISS PBLA34 END | 103.144 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005385 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007253 |
| HIERARCH ESO ISS AMBI TEMP | 11.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |