Exposure
- ID
- GRAVI.2023-06-02T07:06:41.315_2
- Header ID
- GRAVI.2023-06-02T07:06:41.315
- Date updated
- 2023-06-02 07:26:26 UTC+0000
- Release date
- 2024-06-02 07:26:26 UTC+0000
- UTC Start
- 2023-06-02 07:06:41.315
- UTC End
- 2023-06-02 07:12:41.315
- MJD Start
- 60097.29631152
- MJD End
- 60097.3004781867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075395
- Ambient temperature (°C)
- 15.55
- Seeing (arcsec)
- 0.43
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 | 55.1810 | 55.0050 | 33.6000 | 34.1000 |
| U1-U3 | 99.3650 | 98.9540 | 40.0000 | 40.5000 |
| U1-U4 | 123.8680 | 122.9060 | 68.9060 | 69.5230 |
| U2-U3 | 44.9410 | 44.7040 | 47.8000 | 48.3000 |
| U2-U4 | 85.0210 | 84.3090 | 90.9210 | 91.7180 |
| U3-U4 | 60.5810 | 60.2470 | 121.3860 | 122.3680 |
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 | 60097.29631152 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416772 |
| DEC | -29.00718 |
| 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 | 55.181 |
| HIERARCH ESO ISS PBL12 END | 55.005 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 99.365 |
| HIERARCH ESO ISS PBL13 END | 98.954 |
| HIERARCH ESO ISS PBLA13 START | 40.0 |
| HIERARCH ESO ISS PBLA13 END | 40.5 |
| HIERARCH ESO ISS PBL14 START | 123.868 |
| HIERARCH ESO ISS PBL14 END | 122.906 |
| HIERARCH ESO ISS PBLA14 START | 68.906 |
| HIERARCH ESO ISS PBLA14 END | 69.523 |
| HIERARCH ESO ISS PBL23 START | 44.941 |
| HIERARCH ESO ISS PBL23 END | 44.704 |
| HIERARCH ESO ISS PBLA23 START | 47.8 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 85.021 |
| HIERARCH ESO ISS PBL24 END | 84.309 |
| HIERARCH ESO ISS PBLA24 START | 90.921 |
| HIERARCH ESO ISS PBLA24 END | 91.718 |
| HIERARCH ESO ISS PBL34 START | 60.581 |
| HIERARCH ESO ISS PBL34 END | 60.247 |
| HIERARCH ESO ISS PBLA34 START | 121.386 |
| HIERARCH ESO ISS PBLA34 END | 122.368 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005425 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009654 |
| HIERARCH ESO ISS AMBI TEMP | 15.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |