Exposure
- ID
- GRAVI.2023-07-07T01:55:35.287_2
- Header ID
- GRAVI.2023-07-07T01:55:35.287
- Date updated
- 2023-07-07 02:10:35 UTC+0000
- Release date
- 2024-07-07 02:10:35 UTC+0000
- UTC Start
- 2023-07-07 01:55:35.287
- UTC End
- 2023-07-07 02:01:35.287
- MJD Start
- 60132.08026953
- MJD End
- 60132.0844361967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0038875
- Ambient temperature (°C)
- 10.11
- Seeing (arcsec)
- 0.665
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 | 56.4670 | 56.4870 | 14.7000 | 15.5000 |
| U1-U3 | 101.9560 | 102.0400 | 20.6000 | 21.5000 |
| U1-U4 | 126.0570 | 126.6400 | 47.6340 | 48.6610 |
| U2-U3 | 46.1630 | 46.2390 | 27.9000 | 28.9000 |
| U2-U4 | 84.4610 | 85.1230 | 68.9620 | 69.9200 |
| U3-U4 | 58.1890 | 58.7270 | 100.3790 | 101.0690 |
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 | 60132.08026953 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 56.467 |
| HIERARCH ESO ISS PBL12 END | 56.487 |
| HIERARCH ESO ISS PBLA12 START | 14.7 |
| HIERARCH ESO ISS PBLA12 END | 15.5 |
| HIERARCH ESO ISS PBL13 START | 101.956 |
| HIERARCH ESO ISS PBL13 END | 102.04 |
| HIERARCH ESO ISS PBLA13 START | 20.6 |
| HIERARCH ESO ISS PBLA13 END | 21.5 |
| HIERARCH ESO ISS PBL14 START | 126.057 |
| HIERARCH ESO ISS PBL14 END | 126.64 |
| HIERARCH ESO ISS PBLA14 START | 47.634 |
| HIERARCH ESO ISS PBLA14 END | 48.661 |
| HIERARCH ESO ISS PBL23 START | 46.163 |
| HIERARCH ESO ISS PBL23 END | 46.239 |
| HIERARCH ESO ISS PBLA23 START | 27.9 |
| HIERARCH ESO ISS PBLA23 END | 28.9 |
| HIERARCH ESO ISS PBL24 START | 84.461 |
| HIERARCH ESO ISS PBL24 END | 85.123 |
| HIERARCH ESO ISS PBLA24 START | 68.962 |
| HIERARCH ESO ISS PBLA24 END | 69.92 |
| HIERARCH ESO ISS PBL34 START | 58.189 |
| HIERARCH ESO ISS PBL34 END | 58.727 |
| HIERARCH ESO ISS PBLA34 START | 100.379 |
| HIERARCH ESO ISS PBLA34 END | 101.069 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003958 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003817 |
| HIERARCH ESO ISS AMBI TEMP | 10.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |