Exposure
- ID
- GRAVI.2022-06-15T05:07:00.839_2
- Header ID
- GRAVI.2022-06-15T05:07:00.839
- Date updated
- 2022-06-15 05:20:27 UTC+0000
- Release date
- 2022-06-15 05:07:00 UTC+0000
- UTC Start
- 2022-06-15 05:07:00.839
- UTC End
- 2022-06-15 05:12:20.839
- MJD Start
- 59745.21320416
- MJD End
- 59745.2169078637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023315
- Ambient temperature (°C)
- 8.88
- Seeing (arcsec)
- 1.575
Observation
- ID
- 51257
- Category
- calibrator
- 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 | 56.3330 | 56.2780 | 27.4000 | 28.0000 |
| U1-U3 | 102.0200 | 101.9000 | 33.7000 | 34.3000 |
| U1-U4 | 129.8100 | 129.5870 | 61.8770 | 62.5220 |
| U2-U3 | 46.4570 | 46.3910 | 41.5000 | 42.1000 |
| U2-U4 | 89.2810 | 89.1480 | 82.8160 | 83.5020 |
| U3-U4 | 62.4630 | 62.4300 | 112.2430 | 112.9520 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59745.21320416 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416673 |
| DEC | -29.00678 |
| 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 | 56.333 |
| HIERARCH ESO ISS PBL12 END | 56.278 |
| HIERARCH ESO ISS PBLA12 START | 27.4 |
| HIERARCH ESO ISS PBLA12 END | 28.0 |
| HIERARCH ESO ISS PBL13 START | 102.02 |
| HIERARCH ESO ISS PBL13 END | 101.9 |
| HIERARCH ESO ISS PBLA13 START | 33.7 |
| HIERARCH ESO ISS PBLA13 END | 34.3 |
| HIERARCH ESO ISS PBL14 START | 129.81 |
| HIERARCH ESO ISS PBL14 END | 129.587 |
| HIERARCH ESO ISS PBLA14 START | 61.877 |
| HIERARCH ESO ISS PBLA14 END | 62.522 |
| HIERARCH ESO ISS PBL23 START | 46.457 |
| HIERARCH ESO ISS PBL23 END | 46.391 |
| HIERARCH ESO ISS PBLA23 START | 41.5 |
| HIERARCH ESO ISS PBLA23 END | 42.1 |
| HIERARCH ESO ISS PBL24 START | 89.281 |
| HIERARCH ESO ISS PBL24 END | 89.148 |
| HIERARCH ESO ISS PBLA24 START | 82.816 |
| HIERARCH ESO ISS PBLA24 END | 83.502 |
| HIERARCH ESO ISS PBL34 START | 62.463 |
| HIERARCH ESO ISS PBL34 END | 62.43 |
| HIERARCH ESO ISS PBLA34 START | 112.243 |
| HIERARCH ESO ISS PBLA34 END | 112.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002359 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002304 |
| HIERARCH ESO ISS AMBI TEMP | 8.88 |
| HIERARCH ESO ISS AMBI FWHM START | 1.78 |
| HIERARCH ESO ISS AMBI FWHM END | 1.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |