Exposure
- ID
- GRAVI.2023-07-07T04:44:29.746_2
- Header ID
- GRAVI.2023-07-07T04:44:29.746
- Date updated
- 2023-07-07 05:01:20 UTC+0000
- Release date
- 2024-07-07 05:01:20 UTC+0000
- UTC Start
- 2023-07-07 04:44:29.746
- UTC End
- 2023-07-07 04:50:29.746
- MJD Start
- 60132.19756651
- MJD End
- 60132.2017331767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003363
- Ambient temperature (°C)
- 9.22
- Seeing (arcsec)
- 0.88
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 | 55.2980 | 55.1300 | 33.3000 | 33.8000 |
| U1-U3 | 99.6360 | 99.2450 | 39.6000 | 40.1000 |
| U1-U4 | 124.5030 | 123.5870 | 68.4660 | 69.0920 |
| U2-U3 | 45.0980 | 44.8710 | 47.4000 | 48.0000 |
| U2-U4 | 85.4910 | 84.8130 | 90.3630 | 91.1590 |
| U3-U4 | 60.8020 | 60.4830 | 120.7060 | 121.6780 |
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 | 60132.19756651 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 55.298 |
| HIERARCH ESO ISS PBL12 END | 55.13 |
| HIERARCH ESO ISS PBLA12 START | 33.3 |
| HIERARCH ESO ISS PBLA12 END | 33.8 |
| HIERARCH ESO ISS PBL13 START | 99.636 |
| HIERARCH ESO ISS PBL13 END | 99.245 |
| HIERARCH ESO ISS PBLA13 START | 39.6 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.503 |
| HIERARCH ESO ISS PBL14 END | 123.587 |
| HIERARCH ESO ISS PBLA14 START | 68.466 |
| HIERARCH ESO ISS PBLA14 END | 69.092 |
| HIERARCH ESO ISS PBL23 START | 45.098 |
| HIERARCH ESO ISS PBL23 END | 44.871 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 85.491 |
| HIERARCH ESO ISS PBL24 END | 84.813 |
| HIERARCH ESO ISS PBLA24 START | 90.363 |
| HIERARCH ESO ISS PBLA24 END | 91.159 |
| HIERARCH ESO ISS PBL34 START | 60.802 |
| HIERARCH ESO ISS PBL34 END | 60.483 |
| HIERARCH ESO ISS PBLA34 START | 120.706 |
| HIERARCH ESO ISS PBLA34 END | 121.678 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002942 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003784 |
| HIERARCH ESO ISS AMBI TEMP | 9.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.83 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |