Exposure
- ID
- GRAVI.2023-07-07T04:22:38.687_2
- Header ID
- GRAVI.2023-07-07T04:22:38.687
- Date updated
- 2023-07-07 04:35:44 UTC+0000
- Release date
- 2024-07-07 04:35:44 UTC+0000
- UTC Start
- 2023-07-07 04:22:38.687
- UTC End
- 2023-07-07 04:28:38.687
- MJD Start
- 60132.18239221
- MJD End
- 60132.1865588767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003186
- Ambient temperature (°C)
- 9.29
- Seeing (arcsec)
- 0.895
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 | 55.7740 | 55.6460 | 31.4000 | 31.9000 |
| U1-U3 | 100.7430 | 100.4470 | 37.8000 | 38.3000 |
| U1-U4 | 127.0730 | 126.3920 | 66.2940 | 66.9510 |
| U2-U3 | 45.7360 | 45.5660 | 45.5000 | 46.1000 |
| U2-U4 | 87.3850 | 86.8850 | 87.7240 | 88.5030 |
| U3-U4 | 61.6870 | 61.4550 | 117.5850 | 118.4890 |
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 | 60132.18239221 |
| 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 | 55.774 |
| HIERARCH ESO ISS PBL12 END | 55.646 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 31.9 |
| HIERARCH ESO ISS PBL13 START | 100.743 |
| HIERARCH ESO ISS PBL13 END | 100.447 |
| HIERARCH ESO ISS PBLA13 START | 37.8 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 127.073 |
| HIERARCH ESO ISS PBL14 END | 126.392 |
| HIERARCH ESO ISS PBLA14 START | 66.294 |
| HIERARCH ESO ISS PBLA14 END | 66.951 |
| HIERARCH ESO ISS PBL23 START | 45.736 |
| HIERARCH ESO ISS PBL23 END | 45.566 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 46.1 |
| HIERARCH ESO ISS PBL24 START | 87.385 |
| HIERARCH ESO ISS PBL24 END | 86.885 |
| HIERARCH ESO ISS PBLA24 START | 87.724 |
| HIERARCH ESO ISS PBLA24 END | 88.503 |
| HIERARCH ESO ISS PBL34 START | 61.687 |
| HIERARCH ESO ISS PBL34 END | 61.455 |
| HIERARCH ESO ISS PBLA34 START | 117.585 |
| HIERARCH ESO ISS PBLA34 END | 118.489 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003083 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003289 |
| HIERARCH ESO ISS AMBI TEMP | 9.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |