Exposure
- ID
- GRAVI.2023-06-03T08:27:24.987_2
- Header ID
- GRAVI.2023-06-03T08:27:24.987
- Date updated
- 2023-06-03 08:45:42 UTC+0000
- Release date
- 2024-06-03 08:45:42 UTC+0000
- UTC Start
- 2023-06-03 08:27:24.987
- UTC End
- 2023-06-03 08:33:24.987
- MJD Start
- 60098.35237253
- MJD End
- 60098.3565391967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026775
- Ambient temperature (°C)
- 13.11
- Seeing (arcsec)
- 0.52
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 51.7780 | 51.4120 | 39.1000 | 39.4000 |
| U1-U3 | 91.5270 | 90.6940 | 45.3000 | 45.5000 |
| U1-U4 | 105.7890 | 103.9120 | 76.4790 | 77.0320 |
| U2-U3 | 40.4410 | 39.9670 | 53.2000 | 53.5000 |
| U2-U4 | 71.9160 | 70.6000 | 102.4210 | 103.4580 |
| U3-U4 | 54.8400 | 54.3230 | 136.3570 | 137.7340 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.35237253 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| 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 | 51.778 |
| HIERARCH ESO ISS PBL12 END | 51.412 |
| HIERARCH ESO ISS PBLA12 START | 39.1 |
| HIERARCH ESO ISS PBLA12 END | 39.4 |
| HIERARCH ESO ISS PBL13 START | 91.527 |
| HIERARCH ESO ISS PBL13 END | 90.694 |
| HIERARCH ESO ISS PBLA13 START | 45.3 |
| HIERARCH ESO ISS PBLA13 END | 45.5 |
| HIERARCH ESO ISS PBL14 START | 105.789 |
| HIERARCH ESO ISS PBL14 END | 103.912 |
| HIERARCH ESO ISS PBLA14 START | 76.479 |
| HIERARCH ESO ISS PBLA14 END | 77.032 |
| HIERARCH ESO ISS PBL23 START | 40.441 |
| HIERARCH ESO ISS PBL23 END | 39.967 |
| HIERARCH ESO ISS PBLA23 START | 53.2 |
| HIERARCH ESO ISS PBLA23 END | 53.5 |
| HIERARCH ESO ISS PBL24 START | 71.916 |
| HIERARCH ESO ISS PBL24 END | 70.6 |
| HIERARCH ESO ISS PBLA24 START | 102.421 |
| HIERARCH ESO ISS PBLA24 END | 103.458 |
| HIERARCH ESO ISS PBL34 START | 54.84 |
| HIERARCH ESO ISS PBL34 END | 54.323 |
| HIERARCH ESO ISS PBLA34 START | 136.357 |
| HIERARCH ESO ISS PBLA34 END | 137.734 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002733 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002622 |
| HIERARCH ESO ISS AMBI TEMP | 13.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |