Exposure
- ID
- GRAVI.2023-07-06T05:21:35.139_2
- Header ID
- GRAVI.2023-07-06T05:21:35.139
- Date updated
- 2023-07-06 05:35:46 UTC+0000
- Release date
- 2024-07-06 05:35:46 UTC+0000
- UTC Start
- 2023-07-06 05:21:35.139
- UTC End
- 2023-07-06 05:27:35.139
- MJD Start
- 60131.22332337
- MJD End
- 60131.2274900367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042775
- Ambient temperature (°C)
- 12.81
- Seeing (arcsec)
- 0.89
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 54.3020 | 54.0650 | 35.8000 | 36.2000 |
| U1-U3 | 97.3230 | 96.7740 | 42.1000 | 42.5000 |
| U1-U4 | 119.0910 | 117.8140 | 71.5740 | 72.1620 |
| U2-U3 | 43.7620 | 43.4460 | 50.0000 | 50.4000 |
| U2-U4 | 81.4930 | 80.5560 | 94.5120 | 95.3600 |
| U3-U4 | 58.9440 | 58.5180 | 125.9060 | 127.0020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.22332337 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00715 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 54.302 |
| HIERARCH ESO ISS PBL12 END | 54.065 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.323 |
| HIERARCH ESO ISS PBL13 END | 96.774 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.091 |
| HIERARCH ESO ISS PBL14 END | 117.814 |
| HIERARCH ESO ISS PBLA14 START | 71.574 |
| HIERARCH ESO ISS PBLA14 END | 72.162 |
| HIERARCH ESO ISS PBL23 START | 43.762 |
| HIERARCH ESO ISS PBL23 END | 43.446 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.493 |
| HIERARCH ESO ISS PBL24 END | 80.556 |
| HIERARCH ESO ISS PBLA24 START | 94.512 |
| HIERARCH ESO ISS PBLA24 END | 95.36 |
| HIERARCH ESO ISS PBL34 START | 58.944 |
| HIERARCH ESO ISS PBL34 END | 58.518 |
| HIERARCH ESO ISS PBLA34 START | 125.906 |
| HIERARCH ESO ISS PBLA34 END | 127.002 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003884 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004671 |
| HIERARCH ESO ISS AMBI TEMP | 12.81 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |