Exposure
- ID
- GRAVI.2022-06-20T06:46:24.047_1
- Header ID
- GRAVI.2022-06-20T06:46:24.047
- Date updated
- 2022-06-20 13:30:55 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 06:46:24.047
- UTC End
- 2022-06-20 06:51:44.047
- MJD Start
- 59750.28222277
- MJD End
- 59750.2859264737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002195
- Ambient temperature (°C)
- 8.13
- Seeing (arcsec)
- 0.92
Observation
- ID
- 51285
- 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
- 38220
- Name
- S2
- RA
- 266.41687
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.4020 | 53.1500 | 37.3000 | 37.6000 |
| U1-U3 | 95.2440 | 94.6650 | 43.6000 | 43.9000 |
| U1-U4 | 114.2700 | 112.9380 | 73.6230 | 74.1220 |
| U2-U3 | 42.5660 | 42.2340 | 51.4000 | 51.8000 |
| U2-U4 | 77.9740 | 77.0100 | 97.5710 | 98.3640 |
| U3-U4 | 57.3700 | 56.9520 | 129.9030 | 130.9530 |
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 | 59750.28222277 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41687 |
| DEC | -29.00722 |
| 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 | 53.402 |
| HIERARCH ESO ISS PBL12 END | 53.15 |
| HIERARCH ESO ISS PBLA12 START | 37.3 |
| HIERARCH ESO ISS PBLA12 END | 37.6 |
| HIERARCH ESO ISS PBL13 START | 95.244 |
| HIERARCH ESO ISS PBL13 END | 94.665 |
| HIERARCH ESO ISS PBLA13 START | 43.6 |
| HIERARCH ESO ISS PBLA13 END | 43.9 |
| HIERARCH ESO ISS PBL14 START | 114.27 |
| HIERARCH ESO ISS PBL14 END | 112.938 |
| HIERARCH ESO ISS PBLA14 START | 73.623 |
| HIERARCH ESO ISS PBLA14 END | 74.122 |
| HIERARCH ESO ISS PBL23 START | 42.566 |
| HIERARCH ESO ISS PBL23 END | 42.234 |
| HIERARCH ESO ISS PBLA23 START | 51.4 |
| HIERARCH ESO ISS PBLA23 END | 51.8 |
| HIERARCH ESO ISS PBL24 START | 77.974 |
| HIERARCH ESO ISS PBL24 END | 77.01 |
| HIERARCH ESO ISS PBLA24 START | 97.571 |
| HIERARCH ESO ISS PBLA24 END | 98.364 |
| HIERARCH ESO ISS PBL34 START | 57.37 |
| HIERARCH ESO ISS PBL34 END | 56.952 |
| HIERARCH ESO ISS PBLA34 START | 129.903 |
| HIERARCH ESO ISS PBLA34 END | 130.953 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001585 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002805 |
| HIERARCH ESO ISS AMBI TEMP | 8.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.98 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |