Exposure
- ID
- GRAVI.2023-07-07T04:37:17.726_2
- Header ID
- GRAVI.2023-07-07T04:37:17.726
- Date updated
- 2023-07-07 04:56:27 UTC+0000
- Release date
- 2024-07-07 04:56:27 UTC+0000
- UTC Start
- 2023-07-07 04:37:17.726
- UTC End
- 2023-07-07 04:43:17.726
- MJD Start
- 60132.19256627
- MJD End
- 60132.1967329367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030985
- Ambient temperature (°C)
- 9.29
- Seeing (arcsec)
- 0.895
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 | 55.4700 | 55.3160 | 32.7000 | 33.2000 |
| U1-U3 | 100.0380 | 99.6790 | 39.0000 | 39.6000 |
| U1-U4 | 125.4410 | 124.6030 | 67.7590 | 68.3950 |
| U2-U3 | 45.3300 | 45.1220 | 46.8000 | 47.4000 |
| U2-U4 | 86.1850 | 85.5650 | 89.4840 | 90.2730 |
| U3-U4 | 61.1280 | 60.8360 | 119.6480 | 120.5970 |
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 | 60132.19256627 |
| 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 | 55.47 |
| HIERARCH ESO ISS PBL12 END | 55.316 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.2 |
| HIERARCH ESO ISS PBL13 START | 100.038 |
| HIERARCH ESO ISS PBL13 END | 99.679 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 125.441 |
| HIERARCH ESO ISS PBL14 END | 124.603 |
| HIERARCH ESO ISS PBLA14 START | 67.759 |
| HIERARCH ESO ISS PBLA14 END | 68.395 |
| HIERARCH ESO ISS PBL23 START | 45.33 |
| HIERARCH ESO ISS PBL23 END | 45.122 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.4 |
| HIERARCH ESO ISS PBL24 START | 86.185 |
| HIERARCH ESO ISS PBL24 END | 85.565 |
| HIERARCH ESO ISS PBLA24 START | 89.484 |
| HIERARCH ESO ISS PBLA24 END | 90.273 |
| HIERARCH ESO ISS PBL34 START | 61.128 |
| HIERARCH ESO ISS PBL34 END | 60.836 |
| HIERARCH ESO ISS PBLA34 START | 119.648 |
| HIERARCH ESO ISS PBLA34 END | 120.597 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003255 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002942 |
| HIERARCH ESO ISS AMBI TEMP | 9.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.86 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |