Exposure
- ID
- GRAVI.2023-07-05T04:04:58.387_2
- Header ID
- GRAVI.2023-07-05T04:04:58.387
- Date updated
- 2023-07-05 04:20:26 UTC+0000
- Release date
- 2024-07-05 04:20:26 UTC+0000
- UTC Start
- 2023-07-05 04:04:58.387
- UTC End
- 2023-07-05 04:10:58.387
- MJD Start
- 60130.17012022
- MJD End
- 60130.1742868867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029645
- Ambient temperature (°C)
- 13.89
- Seeing (arcsec)
- 0.985
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 | 56.1670 | 56.0820 | 29.0000 | 29.6000 |
| U1-U3 | 101.6490 | 101.4560 | 35.3000 | 36.0000 |
| U1-U4 | 129.0850 | 128.6720 | 63.6080 | 64.3070 |
| U2-U3 | 46.2530 | 46.1440 | 43.1000 | 43.7000 |
| U2-U4 | 88.8190 | 88.5340 | 84.6800 | 85.4530 |
| U3-U4 | 62.3150 | 62.1990 | 114.1970 | 115.0350 |
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 | 60130.17012022 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.167 |
| HIERARCH ESO ISS PBL12 END | 56.082 |
| HIERARCH ESO ISS PBLA12 START | 29.0 |
| HIERARCH ESO ISS PBLA12 END | 29.6 |
| HIERARCH ESO ISS PBL13 START | 101.649 |
| HIERARCH ESO ISS PBL13 END | 101.456 |
| HIERARCH ESO ISS PBLA13 START | 35.3 |
| HIERARCH ESO ISS PBLA13 END | 36.0 |
| HIERARCH ESO ISS PBL14 START | 129.085 |
| HIERARCH ESO ISS PBL14 END | 128.672 |
| HIERARCH ESO ISS PBLA14 START | 63.608 |
| HIERARCH ESO ISS PBLA14 END | 64.307 |
| HIERARCH ESO ISS PBL23 START | 46.253 |
| HIERARCH ESO ISS PBL23 END | 46.144 |
| HIERARCH ESO ISS PBLA23 START | 43.1 |
| HIERARCH ESO ISS PBLA23 END | 43.7 |
| HIERARCH ESO ISS PBL24 START | 88.819 |
| HIERARCH ESO ISS PBL24 END | 88.534 |
| HIERARCH ESO ISS PBLA24 START | 84.68 |
| HIERARCH ESO ISS PBLA24 END | 85.453 |
| HIERARCH ESO ISS PBL34 START | 62.315 |
| HIERARCH ESO ISS PBL34 END | 62.199 |
| HIERARCH ESO ISS PBLA34 START | 114.197 |
| HIERARCH ESO ISS PBLA34 END | 115.035 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003115 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002814 |
| HIERARCH ESO ISS AMBI TEMP | 13.89 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |