Exposure
- ID
- GRAVI.2023-07-01T06:30:03.495_2
- Header ID
- GRAVI.2023-07-01T06:30:03.495
- Date updated
- 2023-07-01 06:45:37 UTC+0000
- Release date
- 2024-07-01 06:45:37 UTC+0000
- UTC Start
- 2023-07-01 06:30:03.495
- UTC End
- 2023-07-01 06:36:03.495
- MJD Start
- 60126.27087379
- MJD End
- 60126.2750404567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0116935
- Ambient temperature (°C)
- 16.46
- Seeing (arcsec)
- 0.46
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 | 52.1660 | 51.8210 | 38.7000 | 39.0000 |
| U1-U3 | 92.4120 | 91.6240 | 44.9000 | 45.2000 |
| U1-U4 | 107.7930 | 106.0080 | 75.8630 | 76.4130 |
| U2-U3 | 40.9450 | 40.4960 | 52.9000 | 53.2000 |
| U2-U4 | 73.3310 | 72.0700 | 101.3070 | 102.3000 |
| U3-U4 | 55.4100 | 54.9010 | 134.8720 | 136.1960 |
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 | 60126.27087379 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.417007 |
| DEC | -29.00739 |
| 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 | 52.166 |
| HIERARCH ESO ISS PBL12 END | 51.821 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.412 |
| HIERARCH ESO ISS PBL13 END | 91.624 |
| HIERARCH ESO ISS PBLA13 START | 44.9 |
| HIERARCH ESO ISS PBLA13 END | 45.2 |
| HIERARCH ESO ISS PBL14 START | 107.793 |
| HIERARCH ESO ISS PBL14 END | 106.008 |
| HIERARCH ESO ISS PBLA14 START | 75.863 |
| HIERARCH ESO ISS PBLA14 END | 76.413 |
| HIERARCH ESO ISS PBL23 START | 40.945 |
| HIERARCH ESO ISS PBL23 END | 40.496 |
| HIERARCH ESO ISS PBLA23 START | 52.9 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 73.331 |
| HIERARCH ESO ISS PBL24 END | 72.07 |
| HIERARCH ESO ISS PBLA24 START | 101.307 |
| HIERARCH ESO ISS PBLA24 END | 102.3 |
| HIERARCH ESO ISS PBL34 START | 55.41 |
| HIERARCH ESO ISS PBL34 END | 54.901 |
| HIERARCH ESO ISS PBLA34 START | 134.872 |
| HIERARCH ESO ISS PBLA34 END | 136.196 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010387 |
| HIERARCH ESO ISS AMBI TEMP | 16.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |