Exposure
- ID
- GRAVI.2023-07-01T03:02:20.937_2
- Header ID
- GRAVI.2023-07-01T03:02:20.937
- Date updated
- 2023-07-01 03:16:20 UTC+0000
- Release date
- 2024-07-01 03:16:20 UTC+0000
- UTC Start
- 2023-07-01 03:02:20.937
- UTC End
- 2023-07-01 03:08:20.937
- MJD Start
- 60126.12663122
- MJD End
- 60126.1307978867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008691
- Ambient temperature (°C)
- 19.07
- Seeing (arcsec)
- 0.385
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 | 56.5580 | 56.5600 | 20.2000 | 21.0000 |
| U1-U3 | 102.3860 | 102.4150 | 26.4000 | 27.3000 |
| U1-U4 | 129.1900 | 129.4930 | 54.0370 | 54.9230 |
| U2-U3 | 46.5620 | 46.5950 | 34.0000 | 34.8000 |
| U2-U4 | 88.0160 | 88.3710 | 74.9880 | 75.8390 |
| U3-U4 | 61.0790 | 61.3760 | 105.0090 | 105.7240 |
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 | 60126.12663122 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| DEC | -29.00732 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 20.2 |
| HIERARCH ESO ISS PBLA12 END | 21.0 |
| HIERARCH ESO ISS PBL13 START | 102.386 |
| HIERARCH ESO ISS PBL13 END | 102.415 |
| HIERARCH ESO ISS PBLA13 START | 26.4 |
| HIERARCH ESO ISS PBLA13 END | 27.3 |
| HIERARCH ESO ISS PBL14 START | 129.19 |
| HIERARCH ESO ISS PBL14 END | 129.493 |
| HIERARCH ESO ISS PBLA14 START | 54.037 |
| HIERARCH ESO ISS PBLA14 END | 54.923 |
| HIERARCH ESO ISS PBL23 START | 46.562 |
| HIERARCH ESO ISS PBL23 END | 46.595 |
| HIERARCH ESO ISS PBLA23 START | 34.0 |
| HIERARCH ESO ISS PBLA23 END | 34.8 |
| HIERARCH ESO ISS PBL24 START | 88.016 |
| HIERARCH ESO ISS PBL24 END | 88.371 |
| HIERARCH ESO ISS PBLA24 START | 74.988 |
| HIERARCH ESO ISS PBLA24 END | 75.839 |
| HIERARCH ESO ISS PBL34 START | 61.079 |
| HIERARCH ESO ISS PBL34 END | 61.376 |
| HIERARCH ESO ISS PBLA34 START | 105.009 |
| HIERARCH ESO ISS PBLA34 END | 105.724 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008527 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008855 |
| HIERARCH ESO ISS AMBI TEMP | 19.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |