Exposure
- ID
- GRAVI.2023-07-01T03:31:57.020_2
- Header ID
- GRAVI.2023-07-01T03:31:57.020
- Date updated
- 2023-07-01 03:46:48 UTC+0000
- Release date
- 2024-07-01 03:46:48 UTC+0000
- UTC Start
- 2023-07-01 03:31:57.020
- UTC End
- 2023-07-01 03:37:57.020
- MJD Start
- 60126.14718773
- MJD End
- 60126.1513543967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0081935
- Ambient temperature (°C)
- 18.8
- Seeing (arcsec)
- 0.465
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 | 56.5250 | 56.5020 | 23.8000 | 24.5000 |
| U1-U3 | 102.4070 | 102.3700 | 30.1000 | 30.8000 |
| U1-U4 | 130.1460 | 130.2030 | 57.9280 | 58.7360 |
| U2-U3 | 46.6390 | 46.6280 | 37.7000 | 38.5000 |
| U2-U4 | 89.2240 | 89.3450 | 78.7760 | 79.5830 |
| U3-U4 | 62.1400 | 62.2740 | 108.3190 | 109.0700 |
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 | 60126.14718773 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| DEC | -29.00732 |
| 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 | 56.525 |
| HIERARCH ESO ISS PBL12 END | 56.502 |
| HIERARCH ESO ISS PBLA12 START | 23.8 |
| HIERARCH ESO ISS PBLA12 END | 24.5 |
| HIERARCH ESO ISS PBL13 START | 102.407 |
| HIERARCH ESO ISS PBL13 END | 102.37 |
| HIERARCH ESO ISS PBLA13 START | 30.1 |
| HIERARCH ESO ISS PBLA13 END | 30.8 |
| HIERARCH ESO ISS PBL14 START | 130.146 |
| HIERARCH ESO ISS PBL14 END | 130.203 |
| HIERARCH ESO ISS PBLA14 START | 57.928 |
| HIERARCH ESO ISS PBLA14 END | 58.736 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.628 |
| HIERARCH ESO ISS PBLA23 START | 37.7 |
| HIERARCH ESO ISS PBLA23 END | 38.5 |
| HIERARCH ESO ISS PBL24 START | 89.224 |
| HIERARCH ESO ISS PBL24 END | 89.345 |
| HIERARCH ESO ISS PBLA24 START | 78.776 |
| HIERARCH ESO ISS PBLA24 END | 79.583 |
| HIERARCH ESO ISS PBL34 START | 62.14 |
| HIERARCH ESO ISS PBL34 END | 62.274 |
| HIERARCH ESO ISS PBLA34 START | 108.319 |
| HIERARCH ESO ISS PBLA34 END | 109.07 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008833 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007554 |
| HIERARCH ESO ISS AMBI TEMP | 18.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |