Exposure
- ID
- GRAVI.2023-06-02T06:04:50.148_2
- Header ID
- GRAVI.2023-06-02T06:04:50.148
- Date updated
- 2023-06-02 06:20:46 UTC+0000
- Release date
- 2024-06-02 06:20:46 UTC+0000
- UTC Start
- 2023-06-02 06:04:50.148
- UTC End
- 2023-06-02 06:10:50.148
- MJD Start
- 60097.2533582
- MJD End
- 60097.2575248667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064325
- Ambient temperature (°C)
- 15.88
- Seeing (arcsec)
- 0.35
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 | 56.2780 | 56.2080 | 28.0000 | 28.6000 |
| U1-U3 | 101.8990 | 101.7410 | 34.3000 | 35.0000 |
| U1-U4 | 129.5860 | 129.2750 | 62.5260 | 63.2410 |
| U2-U3 | 46.3910 | 46.3040 | 42.1000 | 42.7000 |
| U2-U4 | 89.1480 | 88.9460 | 83.5070 | 84.2790 |
| U3-U4 | 62.4300 | 62.3630 | 112.9570 | 113.7690 |
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 | 60097.2533582 |
| 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 | 56.278 |
| HIERARCH ESO ISS PBL12 END | 56.208 |
| HIERARCH ESO ISS PBLA12 START | 28.0 |
| HIERARCH ESO ISS PBLA12 END | 28.6 |
| HIERARCH ESO ISS PBL13 START | 101.899 |
| HIERARCH ESO ISS PBL13 END | 101.741 |
| HIERARCH ESO ISS PBLA13 START | 34.3 |
| HIERARCH ESO ISS PBLA13 END | 35.0 |
| HIERARCH ESO ISS PBL14 START | 129.586 |
| HIERARCH ESO ISS PBL14 END | 129.275 |
| HIERARCH ESO ISS PBLA14 START | 62.526 |
| HIERARCH ESO ISS PBLA14 END | 63.241 |
| HIERARCH ESO ISS PBL23 START | 46.391 |
| HIERARCH ESO ISS PBL23 END | 46.304 |
| HIERARCH ESO ISS PBLA23 START | 42.1 |
| HIERARCH ESO ISS PBLA23 END | 42.7 |
| HIERARCH ESO ISS PBL24 START | 89.148 |
| HIERARCH ESO ISS PBL24 END | 88.946 |
| HIERARCH ESO ISS PBLA24 START | 83.507 |
| HIERARCH ESO ISS PBLA24 END | 84.279 |
| HIERARCH ESO ISS PBL34 START | 62.43 |
| HIERARCH ESO ISS PBL34 END | 62.363 |
| HIERARCH ESO ISS PBLA34 START | 112.957 |
| HIERARCH ESO ISS PBLA34 END | 113.769 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005927 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006938 |
| HIERARCH ESO ISS AMBI TEMP | 15.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |