Exposure
- ID
- GRAVI.2022-05-20T06:09:05.800_2
- Header ID
- GRAVI.2022-05-20T06:09:05.800
- Date updated
- 2022-05-20 06:20:42 UTC+0000
- Release date
- 2023-05-20 06:20:42 UTC+0000
- UTC Start
- 2022-05-20 06:09:05.800
- UTC End
- 2022-05-20 06:14:25.800
- MJD Start
- 59719.25631713
- MJD End
- 59719.2600208337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010528
- Ambient temperature (°C)
- 12.86
- Seeing (arcsec)
- 0.425
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 | 56.5430 | 56.5290 | 22.9000 | 23.6000 |
| U1-U3 | 102.4290 | 102.4130 | 29.2000 | 29.9000 |
| U1-U4 | 130.0210 | 130.1280 | 57.0430 | 57.7620 |
| U2-U3 | 46.6390 | 46.6400 | 36.9000 | 37.5000 |
| U2-U4 | 89.0360 | 89.1940 | 77.9000 | 78.6110 |
| U3-U4 | 61.9580 | 62.1100 | 107.5240 | 108.1680 |
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 | 59719.25631713 |
| 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 | 56.543 |
| HIERARCH ESO ISS PBL12 END | 56.529 |
| HIERARCH ESO ISS PBLA12 START | 22.9 |
| HIERARCH ESO ISS PBLA12 END | 23.6 |
| HIERARCH ESO ISS PBL13 START | 102.429 |
| HIERARCH ESO ISS PBL13 END | 102.413 |
| HIERARCH ESO ISS PBLA13 START | 29.2 |
| HIERARCH ESO ISS PBLA13 END | 29.9 |
| HIERARCH ESO ISS PBL14 START | 130.021 |
| HIERARCH ESO ISS PBL14 END | 130.128 |
| HIERARCH ESO ISS PBLA14 START | 57.043 |
| HIERARCH ESO ISS PBLA14 END | 57.762 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.9 |
| HIERARCH ESO ISS PBLA23 END | 37.5 |
| HIERARCH ESO ISS PBL24 START | 89.036 |
| HIERARCH ESO ISS PBL24 END | 89.194 |
| HIERARCH ESO ISS PBLA24 START | 77.9 |
| HIERARCH ESO ISS PBLA24 END | 78.611 |
| HIERARCH ESO ISS PBL34 START | 61.958 |
| HIERARCH ESO ISS PBL34 END | 62.11 |
| HIERARCH ESO ISS PBLA34 START | 107.524 |
| HIERARCH ESO ISS PBLA34 END | 108.168 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011909 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009147 |
| HIERARCH ESO ISS AMBI TEMP | 12.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |