Exposure
- ID
- GRAVI.2023-07-01T04:22:24.154_2
- Header ID
- GRAVI.2023-07-01T04:22:24.154
- Date updated
- 2023-07-01 04:36:19 UTC+0000
- Release date
- 2024-07-01 04:36:19 UTC+0000
- UTC Start
- 2023-07-01 04:22:24.154
- UTC End
- 2023-07-01 04:28:24.154
- MJD Start
- 60126.182224
- MJD End
- 60126.1863906667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008536
- Ambient temperature (°C)
- 18.64
- Seeing (arcsec)
- 0.37
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 | 56.1460 | 56.0590 | 29.1000 | 29.8000 |
| U1-U3 | 101.6020 | 101.4010 | 35.5000 | 36.1000 |
| U1-U4 | 128.9840 | 128.5530 | 63.7960 | 64.4930 |
| U2-U3 | 46.2260 | 46.1130 | 43.3000 | 43.9000 |
| U2-U4 | 88.7500 | 88.4510 | 84.8860 | 85.6590 |
| U3-U4 | 62.2880 | 62.1640 | 114.4190 | 115.2610 |
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 | 60126.182224 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 56.146 |
| HIERARCH ESO ISS PBL12 END | 56.059 |
| HIERARCH ESO ISS PBLA12 START | 29.1 |
| HIERARCH ESO ISS PBLA12 END | 29.8 |
| HIERARCH ESO ISS PBL13 START | 101.602 |
| HIERARCH ESO ISS PBL13 END | 101.401 |
| HIERARCH ESO ISS PBLA13 START | 35.5 |
| HIERARCH ESO ISS PBLA13 END | 36.1 |
| HIERARCH ESO ISS PBL14 START | 128.984 |
| HIERARCH ESO ISS PBL14 END | 128.553 |
| HIERARCH ESO ISS PBLA14 START | 63.796 |
| HIERARCH ESO ISS PBLA14 END | 64.493 |
| HIERARCH ESO ISS PBL23 START | 46.226 |
| HIERARCH ESO ISS PBL23 END | 46.113 |
| HIERARCH ESO ISS PBLA23 START | 43.3 |
| HIERARCH ESO ISS PBLA23 END | 43.9 |
| HIERARCH ESO ISS PBL24 START | 88.75 |
| HIERARCH ESO ISS PBL24 END | 88.451 |
| HIERARCH ESO ISS PBLA24 START | 84.886 |
| HIERARCH ESO ISS PBLA24 END | 85.659 |
| HIERARCH ESO ISS PBL34 START | 62.288 |
| HIERARCH ESO ISS PBL34 END | 62.164 |
| HIERARCH ESO ISS PBLA34 START | 114.419 |
| HIERARCH ESO ISS PBLA34 END | 115.261 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007905 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009167 |
| HIERARCH ESO ISS AMBI TEMP | 18.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |