Exposure
- ID
- GRAVI.2023-07-04T04:15:36.951_2
- Header ID
- GRAVI.2023-07-04T04:15:36.951
- Date updated
- 2023-07-04 04:30:53 UTC+0000
- Release date
- 2024-07-04 04:30:53 UTC+0000
- UTC Start
- 2023-07-04 04:15:36.951
- UTC End
- 2023-07-04 04:21:36.951
- MJD Start
- 60129.17751101
- MJD End
- 60129.1816776767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002738
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 1.39
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 | 56.0790 | 55.9840 | 29.6000 | 30.2000 |
| U1-U3 | 101.4490 | 101.2290 | 36.0000 | 36.6000 |
| U1-U4 | 128.6570 | 128.1740 | 64.3320 | 65.0210 |
| U2-U3 | 46.1400 | 46.0150 | 43.8000 | 44.4000 |
| U2-U4 | 88.5240 | 88.1820 | 85.4800 | 86.2550 |
| U3-U4 | 62.1950 | 62.0470 | 115.0650 | 115.9200 |
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 | 60129.17751101 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.079 |
| HIERARCH ESO ISS PBL12 END | 55.984 |
| HIERARCH ESO ISS PBLA12 START | 29.6 |
| HIERARCH ESO ISS PBLA12 END | 30.2 |
| HIERARCH ESO ISS PBL13 START | 101.449 |
| HIERARCH ESO ISS PBL13 END | 101.229 |
| HIERARCH ESO ISS PBLA13 START | 36.0 |
| HIERARCH ESO ISS PBLA13 END | 36.6 |
| HIERARCH ESO ISS PBL14 START | 128.657 |
| HIERARCH ESO ISS PBL14 END | 128.174 |
| HIERARCH ESO ISS PBLA14 START | 64.332 |
| HIERARCH ESO ISS PBLA14 END | 65.021 |
| HIERARCH ESO ISS PBL23 START | 46.14 |
| HIERARCH ESO ISS PBL23 END | 46.015 |
| HIERARCH ESO ISS PBLA23 START | 43.8 |
| HIERARCH ESO ISS PBLA23 END | 44.4 |
| HIERARCH ESO ISS PBL24 START | 88.524 |
| HIERARCH ESO ISS PBL24 END | 88.182 |
| HIERARCH ESO ISS PBLA24 START | 85.48 |
| HIERARCH ESO ISS PBLA24 END | 86.255 |
| HIERARCH ESO ISS PBL34 START | 62.195 |
| HIERARCH ESO ISS PBL34 END | 62.047 |
| HIERARCH ESO ISS PBLA34 START | 115.065 |
| HIERARCH ESO ISS PBLA34 END | 115.92 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002769 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002707 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 1.29 |
| HIERARCH ESO ISS AMBI FWHM END | 1.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |