Exposure
- ID
- GRAVI.2022-06-19T02:42:48.038_2
- Header ID
- GRAVI.2022-06-19T02:42:48.038
- Date updated
- 2022-06-19 02:55:47 UTC+0000
- Release date
- 2023-06-19 02:55:47 UTC+0000
- UTC Start
- 2022-06-19 02:42:48.038
- UTC End
- 2022-06-19 02:48:08.038
- MJD Start
- 59749.11305599
- MJD End
- 59749.1167596937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003515
- Ambient temperature (°C)
- 8.49
- Seeing (arcsec)
- 1.54
Observation
- ID
- 51275
- 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
- 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 | 56.3930 | 56.4120 | 11.6000 | 12.4000 |
| U1-U3 | 101.6370 | 101.7200 | 17.4000 | 18.2000 |
| U1-U4 | 123.7980 | 124.3990 | 43.8800 | 44.8570 |
| U2-U3 | 45.8760 | 45.9510 | 24.4000 | 25.3000 |
| U2-U4 | 81.8560 | 82.5570 | 65.4640 | 66.3750 |
| U3-U4 | 56.0430 | 56.6250 | 97.9830 | 98.5890 |
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 | 59749.11305599 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.393 |
| HIERARCH ESO ISS PBL12 END | 56.412 |
| HIERARCH ESO ISS PBLA12 START | 11.6 |
| HIERARCH ESO ISS PBLA12 END | 12.4 |
| HIERARCH ESO ISS PBL13 START | 101.637 |
| HIERARCH ESO ISS PBL13 END | 101.72 |
| HIERARCH ESO ISS PBLA13 START | 17.4 |
| HIERARCH ESO ISS PBLA13 END | 18.2 |
| HIERARCH ESO ISS PBL14 START | 123.798 |
| HIERARCH ESO ISS PBL14 END | 124.399 |
| HIERARCH ESO ISS PBLA14 START | 43.88 |
| HIERARCH ESO ISS PBLA14 END | 44.857 |
| HIERARCH ESO ISS PBL23 START | 45.876 |
| HIERARCH ESO ISS PBL23 END | 45.951 |
| HIERARCH ESO ISS PBLA23 START | 24.4 |
| HIERARCH ESO ISS PBLA23 END | 25.3 |
| HIERARCH ESO ISS PBL24 START | 81.856 |
| HIERARCH ESO ISS PBL24 END | 82.557 |
| HIERARCH ESO ISS PBLA24 START | 65.464 |
| HIERARCH ESO ISS PBLA24 END | 66.375 |
| HIERARCH ESO ISS PBL34 START | 56.043 |
| HIERARCH ESO ISS PBL34 END | 56.625 |
| HIERARCH ESO ISS PBLA34 START | 97.983 |
| HIERARCH ESO ISS PBLA34 END | 98.589 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003534 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003496 |
| HIERARCH ESO ISS AMBI TEMP | 8.49 |
| HIERARCH ESO ISS AMBI FWHM START | 1.3 |
| HIERARCH ESO ISS AMBI FWHM END | 1.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |