Exposure
- ID
- GRAVI.2023-06-02T03:51:37.793_2
- Header ID
- GRAVI.2023-06-02T03:51:37.793
- Date updated
- 2023-06-02 04:05:38 UTC+0000
- Release date
- 2024-06-02 04:05:37 UTC+0000
- UTC Start
- 2023-06-02 03:51:37.793
- UTC End
- 2023-06-02 03:57:37.793
- MJD Start
- 60097.16085408
- MJD End
- 60097.1650207467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00743
- Ambient temperature (°C)
- 16.7
- Seeing (arcsec)
- 0.405
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 56.3960 | 56.4180 | 11.7000 | 12.6000 |
| U1-U3 | 101.6520 | 101.7460 | 17.5000 | 18.5000 |
| U1-U4 | 123.9040 | 124.5840 | 44.0500 | 45.1580 |
| U2-U3 | 45.8890 | 45.9750 | 24.6000 | 25.6000 |
| U2-U4 | 81.9800 | 82.7710 | 65.6210 | 66.6550 |
| U3-U4 | 56.1450 | 56.8020 | 98.0870 | 98.7780 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60097.16085408 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416692 |
| DEC | -29.00718 |
| 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 | 56.396 |
| HIERARCH ESO ISS PBL12 END | 56.418 |
| HIERARCH ESO ISS PBLA12 START | 11.7 |
| HIERARCH ESO ISS PBLA12 END | 12.6 |
| HIERARCH ESO ISS PBL13 START | 101.652 |
| HIERARCH ESO ISS PBL13 END | 101.746 |
| HIERARCH ESO ISS PBLA13 START | 17.5 |
| HIERARCH ESO ISS PBLA13 END | 18.5 |
| HIERARCH ESO ISS PBL14 START | 123.904 |
| HIERARCH ESO ISS PBL14 END | 124.584 |
| HIERARCH ESO ISS PBLA14 START | 44.05 |
| HIERARCH ESO ISS PBLA14 END | 45.158 |
| HIERARCH ESO ISS PBL23 START | 45.889 |
| HIERARCH ESO ISS PBL23 END | 45.975 |
| HIERARCH ESO ISS PBLA23 START | 24.6 |
| HIERARCH ESO ISS PBLA23 END | 25.6 |
| HIERARCH ESO ISS PBL24 START | 81.98 |
| HIERARCH ESO ISS PBL24 END | 82.771 |
| HIERARCH ESO ISS PBLA24 START | 65.621 |
| HIERARCH ESO ISS PBLA24 END | 66.655 |
| HIERARCH ESO ISS PBL34 START | 56.145 |
| HIERARCH ESO ISS PBL34 END | 56.802 |
| HIERARCH ESO ISS PBLA34 START | 98.087 |
| HIERARCH ESO ISS PBLA34 END | 98.778 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007568 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007292 |
| HIERARCH ESO ISS AMBI TEMP | 16.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| 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 |