Exposure
- ID
- GRAVI.2023-07-07T03:26:11.533_2
- Header ID
- GRAVI.2023-07-07T03:26:11.533
- Date updated
- 2023-07-07 03:40:34 UTC+0000
- Release date
- 2024-07-07 03:40:34 UTC+0000
- UTC Start
- 2023-07-07 03:26:11.533
- UTC End
- 2023-07-07 03:32:11.533
- MJD Start
- 60132.14318904
- MJD End
- 60132.1473557067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034225
- Ambient temperature (°C)
- 9.5
- Seeing (arcsec)
- 0.815
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 | 56.4460 | 56.4030 | 25.7000 | 26.4000 |
| U1-U3 | 102.2610 | 102.1730 | 32.1000 | 32.8000 |
| U1-U4 | 130.1610 | 130.0540 | 60.1030 | 60.8670 |
| U2-U3 | 46.5810 | 46.5370 | 39.8000 | 40.5000 |
| U2-U4 | 89.4290 | 89.4030 | 80.9700 | 81.7580 |
| U3-U4 | 62.4250 | 62.4640 | 110.3980 | 111.1740 |
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 | 60132.14318904 |
| 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 | 56.446 |
| HIERARCH ESO ISS PBL12 END | 56.403 |
| HIERARCH ESO ISS PBLA12 START | 25.7 |
| HIERARCH ESO ISS PBLA12 END | 26.4 |
| HIERARCH ESO ISS PBL13 START | 102.261 |
| HIERARCH ESO ISS PBL13 END | 102.173 |
| HIERARCH ESO ISS PBLA13 START | 32.1 |
| HIERARCH ESO ISS PBLA13 END | 32.8 |
| HIERARCH ESO ISS PBL14 START | 130.161 |
| HIERARCH ESO ISS PBL14 END | 130.054 |
| HIERARCH ESO ISS PBLA14 START | 60.103 |
| HIERARCH ESO ISS PBLA14 END | 60.867 |
| HIERARCH ESO ISS PBL23 START | 46.581 |
| HIERARCH ESO ISS PBL23 END | 46.537 |
| HIERARCH ESO ISS PBLA23 START | 39.8 |
| HIERARCH ESO ISS PBLA23 END | 40.5 |
| HIERARCH ESO ISS PBL24 START | 89.429 |
| HIERARCH ESO ISS PBL24 END | 89.403 |
| HIERARCH ESO ISS PBLA24 START | 80.97 |
| HIERARCH ESO ISS PBLA24 END | 81.758 |
| HIERARCH ESO ISS PBL34 START | 62.425 |
| HIERARCH ESO ISS PBL34 END | 62.464 |
| HIERARCH ESO ISS PBLA34 START | 110.398 |
| HIERARCH ESO ISS PBLA34 END | 111.174 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00328 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003565 |
| HIERARCH ESO ISS AMBI TEMP | 9.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |