Exposure
- ID
- GRAVI.2023-07-07T02:31:56.387_2
- Header ID
- GRAVI.2023-07-07T02:31:56.387
- Date updated
- 2023-07-07 02:45:31 UTC+0000
- Release date
- 2024-07-07 02:45:31 UTC+0000
- UTC Start
- 2023-07-07 02:31:56.387
- UTC End
- 2023-07-07 02:37:56.387
- MJD Start
- 60132.10551374
- MJD End
- 60132.1096804067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003433
- Ambient temperature (°C)
- 9.95
- Seeing (arcsec)
- 0.825
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 | 56.5520 | 56.5580 | 19.4000 | 20.2000 |
| U1-U3 | 102.3430 | 102.3840 | 25.6000 | 26.4000 |
| U1-U4 | 128.8220 | 129.1750 | 53.0880 | 53.9950 |
| U2-U3 | 46.5180 | 46.5600 | 33.1000 | 33.9000 |
| U2-U4 | 87.5910 | 87.9980 | 74.0830 | 74.9470 |
| U3-U4 | 60.7300 | 61.0650 | 104.2680 | 104.9760 |
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 | 60132.10551374 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.4 |
| HIERARCH ESO ISS PBLA12 END | 20.2 |
| HIERARCH ESO ISS PBL13 START | 102.343 |
| HIERARCH ESO ISS PBL13 END | 102.384 |
| HIERARCH ESO ISS PBLA13 START | 25.6 |
| HIERARCH ESO ISS PBLA13 END | 26.4 |
| HIERARCH ESO ISS PBL14 START | 128.822 |
| HIERARCH ESO ISS PBL14 END | 129.175 |
| HIERARCH ESO ISS PBLA14 START | 53.088 |
| HIERARCH ESO ISS PBLA14 END | 53.995 |
| HIERARCH ESO ISS PBL23 START | 46.518 |
| HIERARCH ESO ISS PBL23 END | 46.56 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 33.9 |
| HIERARCH ESO ISS PBL24 START | 87.591 |
| HIERARCH ESO ISS PBL24 END | 87.998 |
| HIERARCH ESO ISS PBLA24 START | 74.083 |
| HIERARCH ESO ISS PBLA24 END | 74.947 |
| HIERARCH ESO ISS PBL34 START | 60.73 |
| HIERARCH ESO ISS PBL34 END | 61.065 |
| HIERARCH ESO ISS PBLA34 START | 104.268 |
| HIERARCH ESO ISS PBLA34 END | 104.976 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003168 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003698 |
| HIERARCH ESO ISS AMBI TEMP | 9.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |