Exposure
- ID
- GRAVI.2023-07-05T02:41:04.163_2
- Header ID
- GRAVI.2023-07-05T02:41:04.163
- Date updated
- 2023-07-05 02:55:44 UTC+0000
- Release date
- 2024-07-05 02:55:44 UTC+0000
- UTC Start
- 2023-07-05 02:41:04.163
- UTC End
- 2023-07-05 02:47:04.163
- MJD Start
- 60130.11185374
- MJD End
- 60130.1160204067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003292
- Ambient temperature (°C)
- 13.12
- Seeing (arcsec)
- 0.9
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 | 56.5530 | 56.5580 | 19.5000 | 20.3000 |
| U1-U3 | 102.3520 | 102.3910 | 25.7000 | 26.6000 |
| U1-U4 | 128.8960 | 129.2390 | 53.2690 | 54.1690 |
| U2-U3 | 46.5270 | 46.5670 | 33.2000 | 34.1000 |
| U2-U4 | 87.6760 | 88.0730 | 74.2550 | 75.1140 |
| U3-U4 | 60.7990 | 61.1260 | 104.4070 | 105.1140 |
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 | 60130.11185374 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.5 |
| HIERARCH ESO ISS PBLA12 END | 20.3 |
| HIERARCH ESO ISS PBL13 START | 102.352 |
| HIERARCH ESO ISS PBL13 END | 102.391 |
| HIERARCH ESO ISS PBLA13 START | 25.7 |
| HIERARCH ESO ISS PBLA13 END | 26.6 |
| HIERARCH ESO ISS PBL14 START | 128.896 |
| HIERARCH ESO ISS PBL14 END | 129.239 |
| HIERARCH ESO ISS PBLA14 START | 53.269 |
| HIERARCH ESO ISS PBLA14 END | 54.169 |
| HIERARCH ESO ISS PBL23 START | 46.527 |
| HIERARCH ESO ISS PBL23 END | 46.567 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 34.1 |
| HIERARCH ESO ISS PBL24 START | 87.676 |
| HIERARCH ESO ISS PBL24 END | 88.073 |
| HIERARCH ESO ISS PBLA24 START | 74.255 |
| HIERARCH ESO ISS PBLA24 END | 75.114 |
| HIERARCH ESO ISS PBL34 START | 60.799 |
| HIERARCH ESO ISS PBL34 END | 61.126 |
| HIERARCH ESO ISS PBLA34 START | 104.407 |
| HIERARCH ESO ISS PBLA34 END | 105.114 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003932 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002652 |
| HIERARCH ESO ISS AMBI TEMP | 13.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |