Exposure
- ID
- GRAVI.2023-07-04T06:21:04.291_2
- Header ID
- GRAVI.2023-07-04T06:21:04.291
- Date updated
- 2023-07-04 06:35:29 UTC+0000
- Release date
- 2024-07-04 06:35:29 UTC+0000
- UTC Start
- 2023-07-04 06:21:04.291
- UTC End
- 2023-07-04 06:27:04.291
- MJD Start
- 60129.264633
- MJD End
- 60129.2687996667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002675
- Ambient temperature (°C)
- 12.27
- Seeing (arcsec)
- 1.22
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 | 52.0190 | 51.6650 | 38.8000 | 39.2000 |
| U1-U3 | 92.0760 | 91.2700 | 45.1000 | 45.3000 |
| U1-U4 | 107.0320 | 105.2090 | 76.1000 | 76.6520 |
| U2-U3 | 40.7540 | 40.2950 | 53.0000 | 53.3000 |
| U2-U4 | 72.7920 | 71.5090 | 101.7310 | 102.7420 |
| U3-U4 | 55.1910 | 54.6790 | 135.4380 | 136.7840 |
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 | 60129.264633 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| DEC | -29.0073 |
| 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 | 52.019 |
| HIERARCH ESO ISS PBL12 END | 51.665 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 92.076 |
| HIERARCH ESO ISS PBL13 END | 91.27 |
| HIERARCH ESO ISS PBLA13 START | 45.1 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.032 |
| HIERARCH ESO ISS PBL14 END | 105.209 |
| HIERARCH ESO ISS PBLA14 START | 76.1 |
| HIERARCH ESO ISS PBLA14 END | 76.652 |
| HIERARCH ESO ISS PBL23 START | 40.754 |
| HIERARCH ESO ISS PBL23 END | 40.295 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.792 |
| HIERARCH ESO ISS PBL24 END | 71.509 |
| HIERARCH ESO ISS PBLA24 START | 101.731 |
| HIERARCH ESO ISS PBLA24 END | 102.742 |
| HIERARCH ESO ISS PBL34 START | 55.191 |
| HIERARCH ESO ISS PBL34 END | 54.679 |
| HIERARCH ESO ISS PBLA34 START | 135.438 |
| HIERARCH ESO ISS PBLA34 END | 136.784 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002864 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002486 |
| HIERARCH ESO ISS AMBI TEMP | 12.27 |
| HIERARCH ESO ISS AMBI FWHM START | 1.1 |
| HIERARCH ESO ISS AMBI FWHM END | 1.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |