Exposure
- ID
- GRAVI.2023-07-01T03:16:47.978_2
- Header ID
- GRAVI.2023-07-01T03:16:47.978
- Date updated
- 2023-07-01 03:35:57 UTC+0000
- Release date
- 2024-07-01 03:35:57 UTC+0000
- UTC Start
- 2023-07-01 03:16:47.978
- UTC End
- 2023-07-01 03:22:47.978
- MJD Start
- 60126.13666641
- MJD End
- 60126.1408330767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0104225
- Ambient temperature (°C)
- 18.98
- Seeing (arcsec)
- 0.405
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 | 56.5550 | 56.5460 | 22.0000 | 22.7000 |
| U1-U3 | 102.4330 | 102.4320 | 28.2000 | 29.0000 |
| U1-U4 | 129.7940 | 129.9820 | 55.9840 | 56.8300 |
| U2-U3 | 46.6240 | 46.6380 | 35.8000 | 36.7000 |
| U2-U4 | 88.7390 | 88.9820 | 76.8660 | 77.6920 |
| U3-U4 | 61.6910 | 61.9070 | 106.6080 | 107.3370 |
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 | 60126.13666641 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.546 |
| HIERARCH ESO ISS PBLA12 START | 22.0 |
| HIERARCH ESO ISS PBLA12 END | 22.7 |
| HIERARCH ESO ISS PBL13 START | 102.433 |
| HIERARCH ESO ISS PBL13 END | 102.432 |
| HIERARCH ESO ISS PBLA13 START | 28.2 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 129.794 |
| HIERARCH ESO ISS PBL14 END | 129.982 |
| HIERARCH ESO ISS PBLA14 START | 55.984 |
| HIERARCH ESO ISS PBLA14 END | 56.83 |
| HIERARCH ESO ISS PBL23 START | 46.624 |
| HIERARCH ESO ISS PBL23 END | 46.638 |
| HIERARCH ESO ISS PBLA23 START | 35.8 |
| HIERARCH ESO ISS PBLA23 END | 36.7 |
| HIERARCH ESO ISS PBL24 START | 88.739 |
| HIERARCH ESO ISS PBL24 END | 88.982 |
| HIERARCH ESO ISS PBLA24 START | 76.866 |
| HIERARCH ESO ISS PBLA24 END | 77.692 |
| HIERARCH ESO ISS PBL34 START | 61.691 |
| HIERARCH ESO ISS PBL34 END | 61.907 |
| HIERARCH ESO ISS PBLA34 START | 106.608 |
| HIERARCH ESO ISS PBLA34 END | 107.337 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009822 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011023 |
| HIERARCH ESO ISS AMBI TEMP | 18.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |