Exposure
- ID
- GRAVI.2023-07-06T01:46:22.562_2
- Header ID
- GRAVI.2023-07-06T01:46:22.562
- Date updated
- 2023-07-06 02:01:15 UTC+0000
- Release date
- 2024-07-06 02:01:15 UTC+0000
- UTC Start
- 2023-07-06 01:46:22.562
- UTC End
- 2023-07-06 01:52:22.562
- MJD Start
- 60131.07387224
- MJD End
- 60131.0780389067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002861
- Ambient temperature (°C)
- 13.45
- Seeing (arcsec)
- 0.97
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 | 56.4240 | 56.4460 | 12.9000 | 13.8000 |
| U1-U3 | 101.7730 | 101.8650 | 18.7000 | 19.7000 |
| U1-U4 | 124.7800 | 125.4230 | 45.4790 | 46.5500 |
| U2-U3 | 46.0000 | 46.0820 | 25.9000 | 26.9000 |
| U2-U4 | 82.9980 | 83.7370 | 66.9550 | 67.9520 |
| U3-U4 | 56.9890 | 57.5970 | 98.9810 | 99.6670 |
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 | 60131.07387224 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.424 |
| HIERARCH ESO ISS PBL12 END | 56.446 |
| HIERARCH ESO ISS PBLA12 START | 12.9 |
| HIERARCH ESO ISS PBLA12 END | 13.8 |
| HIERARCH ESO ISS PBL13 START | 101.773 |
| HIERARCH ESO ISS PBL13 END | 101.865 |
| HIERARCH ESO ISS PBLA13 START | 18.7 |
| HIERARCH ESO ISS PBLA13 END | 19.7 |
| HIERARCH ESO ISS PBL14 START | 124.78 |
| HIERARCH ESO ISS PBL14 END | 125.423 |
| HIERARCH ESO ISS PBLA14 START | 45.479 |
| HIERARCH ESO ISS PBLA14 END | 46.55 |
| HIERARCH ESO ISS PBL23 START | 46.0 |
| HIERARCH ESO ISS PBL23 END | 46.082 |
| HIERARCH ESO ISS PBLA23 START | 25.9 |
| HIERARCH ESO ISS PBLA23 END | 26.9 |
| HIERARCH ESO ISS PBL24 START | 82.998 |
| HIERARCH ESO ISS PBL24 END | 83.737 |
| HIERARCH ESO ISS PBLA24 START | 66.955 |
| HIERARCH ESO ISS PBLA24 END | 67.952 |
| HIERARCH ESO ISS PBL34 START | 56.989 |
| HIERARCH ESO ISS PBL34 END | 57.597 |
| HIERARCH ESO ISS PBLA34 START | 98.981 |
| HIERARCH ESO ISS PBLA34 END | 99.667 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003061 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002661 |
| HIERARCH ESO ISS AMBI TEMP | 13.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |