Exposure
- ID
- GRAVI.2023-07-04T05:44:19.190_2
- Header ID
- GRAVI.2023-07-04T05:44:19.190
- Date updated
- 2023-07-04 05:56:08 UTC+0000
- Release date
- 2024-07-04 05:56:07 UTC+0000
- UTC Start
- 2023-07-04 05:44:19.190
- UTC End
- 2023-07-04 05:50:19.190
- MJD Start
- 60129.239111
- MJD End
- 60129.2432776667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031345
- Ambient temperature (°C)
- 12.24
- Seeing (arcsec)
- 1.05
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 | 53.7390 | 53.4690 | 36.8000 | 37.2000 |
| U1-U3 | 96.0220 | 95.4000 | 43.1000 | 43.5000 |
| U1-U4 | 116.0680 | 114.6310 | 72.9100 | 73.4840 |
| U2-U3 | 43.0130 | 42.6560 | 50.9000 | 51.3000 |
| U2-U4 | 79.2810 | 78.2350 | 96.4710 | 97.3540 |
| U3-U4 | 57.9470 | 57.4850 | 128.4540 | 129.6160 |
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 | 60129.239111 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| DEC | -29.0073 |
| 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 | 53.739 |
| HIERARCH ESO ISS PBL12 END | 53.469 |
| HIERARCH ESO ISS PBLA12 START | 36.8 |
| HIERARCH ESO ISS PBLA12 END | 37.2 |
| HIERARCH ESO ISS PBL13 START | 96.022 |
| HIERARCH ESO ISS PBL13 END | 95.4 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.5 |
| HIERARCH ESO ISS PBL14 START | 116.068 |
| HIERARCH ESO ISS PBL14 END | 114.631 |
| HIERARCH ESO ISS PBLA14 START | 72.91 |
| HIERARCH ESO ISS PBLA14 END | 73.484 |
| HIERARCH ESO ISS PBL23 START | 43.013 |
| HIERARCH ESO ISS PBL23 END | 42.656 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 79.281 |
| HIERARCH ESO ISS PBL24 END | 78.235 |
| HIERARCH ESO ISS PBLA24 START | 96.471 |
| HIERARCH ESO ISS PBLA24 END | 97.354 |
| HIERARCH ESO ISS PBL34 START | 57.947 |
| HIERARCH ESO ISS PBL34 END | 57.485 |
| HIERARCH ESO ISS PBLA34 START | 128.454 |
| HIERARCH ESO ISS PBLA34 END | 129.616 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003338 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002931 |
| HIERARCH ESO ISS AMBI TEMP | 12.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.99 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |