Exposure
- ID
- GRAVI.2022-05-20T08:12:09.110_2
- Header ID
- GRAVI.2022-05-20T08:12:09.110
- Date updated
- 2022-05-20 08:25:26 UTC+0000
- Release date
- 2023-05-20 08:25:25 UTC+0000
- UTC Start
- 2022-05-20 08:12:09.110
- UTC End
- 2022-05-20 08:17:29.110
- MJD Start
- 59719.34177211
- MJD End
- 59719.3454758137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007077
- Ambient temperature (°C)
- 12.18
- Seeing (arcsec)
- 0.345
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 | 54.7410 | 54.5590 | 34.8000 | 35.2000 |
| U1-U3 | 98.3410 | 97.9180 | 41.2000 | 41.6000 |
| U1-U4 | 121.4700 | 120.4790 | 70.3580 | 70.8860 |
| U2-U3 | 44.3490 | 44.1050 | 49.0000 | 49.4000 |
| U2-U4 | 83.2470 | 82.5160 | 92.8270 | 93.5490 |
| U3-U4 | 59.7510 | 59.4130 | 123.7570 | 124.6710 |
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 | 59719.34177211 |
| 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 | 54.741 |
| HIERARCH ESO ISS PBL12 END | 54.559 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.341 |
| HIERARCH ESO ISS PBL13 END | 97.918 |
| HIERARCH ESO ISS PBLA13 START | 41.2 |
| HIERARCH ESO ISS PBLA13 END | 41.6 |
| HIERARCH ESO ISS PBL14 START | 121.47 |
| HIERARCH ESO ISS PBL14 END | 120.479 |
| HIERARCH ESO ISS PBLA14 START | 70.358 |
| HIERARCH ESO ISS PBLA14 END | 70.886 |
| HIERARCH ESO ISS PBL23 START | 44.349 |
| HIERARCH ESO ISS PBL23 END | 44.105 |
| HIERARCH ESO ISS PBLA23 START | 49.0 |
| HIERARCH ESO ISS PBLA23 END | 49.4 |
| HIERARCH ESO ISS PBL24 START | 83.247 |
| HIERARCH ESO ISS PBL24 END | 82.516 |
| HIERARCH ESO ISS PBLA24 START | 92.827 |
| HIERARCH ESO ISS PBLA24 END | 93.549 |
| HIERARCH ESO ISS PBL34 START | 59.751 |
| HIERARCH ESO ISS PBL34 END | 59.413 |
| HIERARCH ESO ISS PBLA34 START | 123.757 |
| HIERARCH ESO ISS PBLA34 END | 124.671 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007275 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006879 |
| HIERARCH ESO ISS AMBI TEMP | 12.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |