Exposure
- ID
- GRAVI.2023-07-04T04:00:51.911_2
- Header ID
- GRAVI.2023-07-04T04:00:51.911
- Date updated
- 2023-07-04 04:15:40 UTC+0000
- Release date
- 2024-07-04 04:15:40 UTC+0000
- UTC Start
- 2023-07-04 04:00:51.911
- UTC End
- 2023-07-04 04:06:51.911
- MJD Start
- 60129.16726749
- MJD End
- 60129.1714341567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029775
- Ambient temperature (°C)
- 11.93
- Seeing (arcsec)
- 1.255
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 | 56.2590 | 56.1860 | 28.2000 | 28.8000 |
| U1-U3 | 101.8570 | 101.6930 | 34.5000 | 35.2000 |
| U1-U4 | 129.5060 | 129.1750 | 62.7240 | 63.4400 |
| U2-U3 | 46.3680 | 46.2770 | 42.3000 | 42.9000 |
| U2-U4 | 89.0970 | 88.8790 | 83.7200 | 84.4950 |
| U3-U4 | 62.4150 | 62.3380 | 113.1790 | 114.0000 |
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 | 60129.16726749 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.259 |
| HIERARCH ESO ISS PBL12 END | 56.186 |
| HIERARCH ESO ISS PBLA12 START | 28.2 |
| HIERARCH ESO ISS PBLA12 END | 28.8 |
| HIERARCH ESO ISS PBL13 START | 101.857 |
| HIERARCH ESO ISS PBL13 END | 101.693 |
| HIERARCH ESO ISS PBLA13 START | 34.5 |
| HIERARCH ESO ISS PBLA13 END | 35.2 |
| HIERARCH ESO ISS PBL14 START | 129.506 |
| HIERARCH ESO ISS PBL14 END | 129.175 |
| HIERARCH ESO ISS PBLA14 START | 62.724 |
| HIERARCH ESO ISS PBLA14 END | 63.44 |
| HIERARCH ESO ISS PBL23 START | 46.368 |
| HIERARCH ESO ISS PBL23 END | 46.277 |
| HIERARCH ESO ISS PBLA23 START | 42.3 |
| HIERARCH ESO ISS PBLA23 END | 42.9 |
| HIERARCH ESO ISS PBL24 START | 89.097 |
| HIERARCH ESO ISS PBL24 END | 88.879 |
| HIERARCH ESO ISS PBLA24 START | 83.72 |
| HIERARCH ESO ISS PBLA24 END | 84.495 |
| HIERARCH ESO ISS PBL34 START | 62.415 |
| HIERARCH ESO ISS PBL34 END | 62.338 |
| HIERARCH ESO ISS PBLA34 START | 113.179 |
| HIERARCH ESO ISS PBLA34 END | 114.0 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003106 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002849 |
| HIERARCH ESO ISS AMBI TEMP | 11.93 |
| HIERARCH ESO ISS AMBI FWHM START | 1.26 |
| HIERARCH ESO ISS AMBI FWHM END | 1.25 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |