Exposure
- ID
- GRAVI.2022-05-20T06:56:56.921_2
- Header ID
- GRAVI.2022-05-20T06:56:56.921
- Date updated
- 2022-05-20 07:11:05 UTC+0000
- Release date
- 2023-05-20 07:11:05 UTC+0000
- UTC Start
- 2022-05-20 06:56:56.921
- UTC End
- 2022-05-20 07:02:16.921
- MJD Start
- 59719.2895477
- MJD End
- 59719.2932514037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0092805
- Ambient temperature (°C)
- 12.86
- Seeing (arcsec)
- 0.405
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 | 56.2570 | 56.1930 | 28.2000 | 28.7000 |
| U1-U3 | 101.8530 | 101.7090 | 34.5000 | 35.1000 |
| U1-U4 | 129.4980 | 129.2070 | 62.7440 | 63.3750 |
| U2-U3 | 46.3660 | 46.2860 | 42.3000 | 42.9000 |
| U2-U4 | 89.0920 | 88.9010 | 83.7410 | 84.4250 |
| U3-U4 | 62.4130 | 62.3460 | 113.2010 | 113.9250 |
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 | 59719.2895477 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 56.257 |
| HIERARCH ESO ISS PBL12 END | 56.193 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.7 |
| HIERARCH ESO ISS PBL13 START | 101.853 |
| HIERARCH ESO ISS PBL13 END | 101.709 |
| HIERARCH ESO ISS PBLA13 START | 34.5 |
| HIERARCH ESO ISS PBLA13 END | 35.1 |
| HIERARCH ESO ISS PBL14 START | 129.498 |
| HIERARCH ESO ISS PBL14 END | 129.207 |
| HIERARCH ESO ISS PBLA14 START | 62.744 |
| HIERARCH ESO ISS PBLA14 END | 63.375 |
| HIERARCH ESO ISS PBL23 START | 46.366 |
| HIERARCH ESO ISS PBL23 END | 46.286 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 42.9 |
| HIERARCH ESO ISS PBL24 START | 89.092 |
| HIERARCH ESO ISS PBL24 END | 88.901 |
| HIERARCH ESO ISS PBLA24 START | 83.741 |
| HIERARCH ESO ISS PBLA24 END | 84.425 |
| HIERARCH ESO ISS PBL34 START | 62.413 |
| HIERARCH ESO ISS PBL34 END | 62.346 |
| HIERARCH ESO ISS PBLA34 START | 113.201 |
| HIERARCH ESO ISS PBLA34 END | 113.925 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009173 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009388 |
| HIERARCH ESO ISS AMBI TEMP | 12.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |