Exposure
- ID
- GRAVI.2023-07-01T03:53:51.077_2
- Header ID
- GRAVI.2023-07-01T03:53:51.077
- Date updated
- 2023-07-01 04:11:03 UTC+0000
- Release date
- 2024-07-01 04:11:03 UTC+0000
- UTC Start
- 2023-07-01 03:53:51.077
- UTC End
- 2023-07-01 03:59:51.077
- MJD Start
- 60126.16239673
- MJD End
- 60126.1665633967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078495
- Ambient temperature (°C)
- 18.77
- Seeing (arcsec)
- 0.445
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 | 56.4200 | 56.3720 | 26.2000 | 26.9000 |
| U1-U3 | 102.2080 | 102.1070 | 32.5000 | 33.2000 |
| U1-U4 | 130.1020 | 129.9560 | 60.5910 | 61.3450 |
| U2-U3 | 46.5550 | 46.5030 | 40.3000 | 41.0000 |
| U2-U4 | 89.4190 | 89.3590 | 81.4720 | 82.2560 |
| U3-U4 | 62.4530 | 62.4710 | 110.8900 | 111.6730 |
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 | 60126.16239673 |
| 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 | 56.42 |
| HIERARCH ESO ISS PBL12 END | 56.372 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.9 |
| HIERARCH ESO ISS PBL13 START | 102.208 |
| HIERARCH ESO ISS PBL13 END | 102.107 |
| HIERARCH ESO ISS PBLA13 START | 32.5 |
| HIERARCH ESO ISS PBLA13 END | 33.2 |
| HIERARCH ESO ISS PBL14 START | 130.102 |
| HIERARCH ESO ISS PBL14 END | 129.956 |
| HIERARCH ESO ISS PBLA14 START | 60.591 |
| HIERARCH ESO ISS PBLA14 END | 61.345 |
| HIERARCH ESO ISS PBL23 START | 46.555 |
| HIERARCH ESO ISS PBL23 END | 46.503 |
| HIERARCH ESO ISS PBLA23 START | 40.3 |
| HIERARCH ESO ISS PBLA23 END | 41.0 |
| HIERARCH ESO ISS PBL24 START | 89.419 |
| HIERARCH ESO ISS PBL24 END | 89.359 |
| HIERARCH ESO ISS PBLA24 START | 81.472 |
| HIERARCH ESO ISS PBLA24 END | 82.256 |
| HIERARCH ESO ISS PBL34 START | 62.453 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 110.89 |
| HIERARCH ESO ISS PBLA34 END | 111.673 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007822 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007877 |
| HIERARCH ESO ISS AMBI TEMP | 18.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |