Exposure
- ID
- GRAVI.2023-07-01T03:39:15.039_2
- Header ID
- GRAVI.2023-07-01T03:39:15.039
- Date updated
- 2023-07-01 03:56:16 UTC+0000
- Release date
- 2024-07-01 03:56:16 UTC+0000
- UTC Start
- 2023-07-01 03:39:15.039
- UTC End
- 2023-07-01 03:45:15.039
- MJD Start
- 60126.1522574
- MJD End
- 60126.1564240667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008362
- Ambient temperature (°C)
- 18.75
- Seeing (arcsec)
- 0.5
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 | 56.4990 | 56.4680 | 24.6000 | 25.3000 |
| U1-U3 | 102.3630 | 102.3060 | 30.9000 | 31.6000 |
| U1-U4 | 130.2060 | 130.1970 | 58.8420 | 59.6290 |
| U2-U3 | 46.6260 | 46.6020 | 38.6000 | 39.3000 |
| U2-U4 | 89.3570 | 89.4180 | 79.6900 | 80.4850 |
| U3-U4 | 62.2890 | 62.3840 | 109.1700 | 109.9280 |
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 | 60126.1522574 |
| 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 | 56.499 |
| HIERARCH ESO ISS PBL12 END | 56.468 |
| HIERARCH ESO ISS PBLA12 START | 24.6 |
| HIERARCH ESO ISS PBLA12 END | 25.3 |
| HIERARCH ESO ISS PBL13 START | 102.363 |
| HIERARCH ESO ISS PBL13 END | 102.306 |
| HIERARCH ESO ISS PBLA13 START | 30.9 |
| HIERARCH ESO ISS PBLA13 END | 31.6 |
| HIERARCH ESO ISS PBL14 START | 130.206 |
| HIERARCH ESO ISS PBL14 END | 130.197 |
| HIERARCH ESO ISS PBLA14 START | 58.842 |
| HIERARCH ESO ISS PBLA14 END | 59.629 |
| HIERARCH ESO ISS PBL23 START | 46.626 |
| HIERARCH ESO ISS PBL23 END | 46.602 |
| HIERARCH ESO ISS PBLA23 START | 38.6 |
| HIERARCH ESO ISS PBLA23 END | 39.3 |
| HIERARCH ESO ISS PBL24 START | 89.357 |
| HIERARCH ESO ISS PBL24 END | 89.418 |
| HIERARCH ESO ISS PBLA24 START | 79.69 |
| HIERARCH ESO ISS PBLA24 END | 80.485 |
| HIERARCH ESO ISS PBL34 START | 62.289 |
| HIERARCH ESO ISS PBL34 END | 62.384 |
| HIERARCH ESO ISS PBLA34 START | 109.17 |
| HIERARCH ESO ISS PBLA34 END | 109.928 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008902 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007822 |
| HIERARCH ESO ISS AMBI TEMP | 18.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |