Exposure
- ID
- GRAVI.2022-05-23T05:45:30.544_2
- Header ID
- GRAVI.2022-05-23T05:45:30.544
- Date updated
- 2022-05-23 06:00:40 UTC+0000
- Release date
- 2023-05-23 06:00:40 UTC+0000
- UTC Start
- 2022-05-23 05:45:30.544
- UTC End
- 2022-05-23 05:50:50.544
- MJD Start
- 59722.23993685
- MJD End
- 59722.2436405537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005571
- Ambient temperature (°C)
- 11.35
- Seeing (arcsec)
- 0.725
Observation
- ID
- 50947
- 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
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5580 | 56.5530 | 21.5000 | 22.2000 |
| U1-U3 | 102.4270 | 102.4340 | 27.8000 | 28.5000 |
| U1-U4 | 129.6670 | 129.8610 | 55.5070 | 56.2630 |
| U2-U3 | 46.6130 | 46.6300 | 35.4000 | 36.1000 |
| U2-U4 | 88.5810 | 88.8230 | 76.4030 | 77.1370 |
| U3-U4 | 61.5540 | 61.7650 | 106.2070 | 106.8460 |
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 | 59722.23993685 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416276 |
| DEC | -29.00737 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 21.5 |
| HIERARCH ESO ISS PBLA12 END | 22.2 |
| HIERARCH ESO ISS PBL13 START | 102.427 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.8 |
| HIERARCH ESO ISS PBLA13 END | 28.5 |
| HIERARCH ESO ISS PBL14 START | 129.667 |
| HIERARCH ESO ISS PBL14 END | 129.861 |
| HIERARCH ESO ISS PBLA14 START | 55.507 |
| HIERARCH ESO ISS PBLA14 END | 56.263 |
| HIERARCH ESO ISS PBL23 START | 46.613 |
| HIERARCH ESO ISS PBL23 END | 46.63 |
| HIERARCH ESO ISS PBLA23 START | 35.4 |
| HIERARCH ESO ISS PBLA23 END | 36.1 |
| HIERARCH ESO ISS PBL24 START | 88.581 |
| HIERARCH ESO ISS PBL24 END | 88.823 |
| HIERARCH ESO ISS PBLA24 START | 76.403 |
| HIERARCH ESO ISS PBLA24 END | 77.137 |
| HIERARCH ESO ISS PBL34 START | 61.554 |
| HIERARCH ESO ISS PBL34 END | 61.765 |
| HIERARCH ESO ISS PBLA34 START | 106.207 |
| HIERARCH ESO ISS PBLA34 END | 106.846 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005771 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005371 |
| HIERARCH ESO ISS AMBI TEMP | 11.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |