Exposure
- ID
- GRAVI.2023-06-02T08:33:20.551_2
- Header ID
- GRAVI.2023-06-02T08:33:20.551
- Date updated
- 2023-06-02 08:51:24 UTC+0000
- Release date
- 2024-06-02 08:51:24 UTC+0000
- UTC Start
- 2023-06-02 08:33:20.551
- UTC End
- 2023-06-02 08:39:20.551
- MJD Start
- 60097.35648786
- MJD End
- 60097.3606545267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006006
- Ambient temperature (°C)
- 16.05
- Seeing (arcsec)
- 0.645
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 | 51.6670 | 51.2990 | 39.1000 | 39.4000 |
| U1-U3 | 91.2740 | 90.4360 | 45.3000 | 45.6000 |
| U1-U4 | 105.2180 | 103.3300 | 76.6490 | 77.1990 |
| U2-U3 | 40.2970 | 39.8200 | 53.3000 | 53.6000 |
| U2-U4 | 71.5150 | 70.1950 | 102.7370 | 103.7790 |
| U3-U4 | 54.6810 | 54.1660 | 136.7770 | 138.1580 |
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 | 60097.35648786 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416531 |
| DEC | -29.00733 |
| 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 | 51.667 |
| HIERARCH ESO ISS PBL12 END | 51.299 |
| HIERARCH ESO ISS PBLA12 START | 39.1 |
| HIERARCH ESO ISS PBLA12 END | 39.4 |
| HIERARCH ESO ISS PBL13 START | 91.274 |
| HIERARCH ESO ISS PBL13 END | 90.436 |
| HIERARCH ESO ISS PBLA13 START | 45.3 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 105.218 |
| HIERARCH ESO ISS PBL14 END | 103.33 |
| HIERARCH ESO ISS PBLA14 START | 76.649 |
| HIERARCH ESO ISS PBLA14 END | 77.199 |
| HIERARCH ESO ISS PBL23 START | 40.297 |
| HIERARCH ESO ISS PBL23 END | 39.82 |
| HIERARCH ESO ISS PBLA23 START | 53.3 |
| HIERARCH ESO ISS PBLA23 END | 53.6 |
| HIERARCH ESO ISS PBL24 START | 71.515 |
| HIERARCH ESO ISS PBL24 END | 70.195 |
| HIERARCH ESO ISS PBLA24 START | 102.737 |
| HIERARCH ESO ISS PBLA24 END | 103.779 |
| HIERARCH ESO ISS PBL34 START | 54.681 |
| HIERARCH ESO ISS PBL34 END | 54.166 |
| HIERARCH ESO ISS PBLA34 START | 136.777 |
| HIERARCH ESO ISS PBLA34 END | 138.158 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005765 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006247 |
| HIERARCH ESO ISS AMBI TEMP | 16.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| 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 |