Exposure
- ID
- GRAVI.2023-06-07T04:26:45.711_2
- Header ID
- GRAVI.2023-06-07T04:26:45.711
- Date updated
- 2023-06-07 04:40:39 UTC+0000
- Release date
- 2024-06-07 04:40:39 UTC+0000
- UTC Start
- 2023-06-07 04:26:45.711
- UTC End
- 2023-06-07 04:32:45.711
- MJD Start
- 60102.18525129
- MJD End
- 60102.1894179567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00851
- Ambient temperature (°C)
- 15.05
- Seeing (arcsec)
- 0.73
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 | 56.5480 | 56.5550 | 19.0000 | 19.8000 |
| U1-U3 | 102.3200 | 102.3660 | 25.1000 | 26.0000 |
| U1-U4 | 128.6350 | 129.0090 | 52.6490 | 53.5610 |
| U2-U3 | 46.4950 | 46.5400 | 32.6000 | 33.5000 |
| U2-U4 | 87.3790 | 87.8070 | 73.6670 | 74.5330 |
| U3-U4 | 60.5560 | 60.9070 | 103.9320 | 104.6350 |
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 | 60102.18525129 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41684 |
| 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 | 56.548 |
| HIERARCH ESO ISS PBL12 END | 56.555 |
| HIERARCH ESO ISS PBLA12 START | 19.0 |
| HIERARCH ESO ISS PBLA12 END | 19.8 |
| HIERARCH ESO ISS PBL13 START | 102.32 |
| HIERARCH ESO ISS PBL13 END | 102.366 |
| HIERARCH ESO ISS PBLA13 START | 25.1 |
| HIERARCH ESO ISS PBLA13 END | 26.0 |
| HIERARCH ESO ISS PBL14 START | 128.635 |
| HIERARCH ESO ISS PBL14 END | 129.009 |
| HIERARCH ESO ISS PBLA14 START | 52.649 |
| HIERARCH ESO ISS PBLA14 END | 53.561 |
| HIERARCH ESO ISS PBL23 START | 46.495 |
| HIERARCH ESO ISS PBL23 END | 46.54 |
| HIERARCH ESO ISS PBLA23 START | 32.6 |
| HIERARCH ESO ISS PBLA23 END | 33.5 |
| HIERARCH ESO ISS PBL24 START | 87.379 |
| HIERARCH ESO ISS PBL24 END | 87.807 |
| HIERARCH ESO ISS PBLA24 START | 73.667 |
| HIERARCH ESO ISS PBLA24 END | 74.533 |
| HIERARCH ESO ISS PBL34 START | 60.556 |
| HIERARCH ESO ISS PBL34 END | 60.907 |
| HIERARCH ESO ISS PBLA34 START | 103.932 |
| HIERARCH ESO ISS PBLA34 END | 104.635 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008082 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008938 |
| HIERARCH ESO ISS AMBI TEMP | 15.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |