Exposure
- ID
- GRAVI.2023-06-02T03:58:46.812_2
- Header ID
- GRAVI.2023-06-02T03:58:46.812
- Date updated
- 2023-06-02 04:15:52 UTC+0000
- Release date
- 2024-06-02 04:15:52 UTC+0000
- UTC Start
- 2023-06-02 03:58:46.812
- UTC End
- 2023-06-02 04:04:46.812
- MJD Start
- 60097.16581958
- MJD End
- 60097.1699862467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0076135
- Ambient temperature (°C)
- 16.51
- Seeing (arcsec)
- 0.405
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 | 56.4200 | 56.4420 | 12.7000 | 13.6000 |
| U1-U3 | 101.7550 | 101.8470 | 18.5000 | 19.5000 |
| U1-U4 | 124.6490 | 125.3000 | 45.2640 | 46.3450 |
| U2-U3 | 45.9830 | 46.0660 | 25.7000 | 26.7000 |
| U2-U4 | 82.8460 | 83.5970 | 66.7550 | 67.7610 |
| U3-U4 | 56.8640 | 57.4820 | 98.8450 | 99.5350 |
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 | 60097.16581958 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416692 |
| 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 | 56.42 |
| HIERARCH ESO ISS PBL12 END | 56.442 |
| HIERARCH ESO ISS PBLA12 START | 12.7 |
| HIERARCH ESO ISS PBLA12 END | 13.6 |
| HIERARCH ESO ISS PBL13 START | 101.755 |
| HIERARCH ESO ISS PBL13 END | 101.847 |
| HIERARCH ESO ISS PBLA13 START | 18.5 |
| HIERARCH ESO ISS PBLA13 END | 19.5 |
| HIERARCH ESO ISS PBL14 START | 124.649 |
| HIERARCH ESO ISS PBL14 END | 125.3 |
| HIERARCH ESO ISS PBLA14 START | 45.264 |
| HIERARCH ESO ISS PBLA14 END | 46.345 |
| HIERARCH ESO ISS PBL23 START | 45.983 |
| HIERARCH ESO ISS PBL23 END | 46.066 |
| HIERARCH ESO ISS PBLA23 START | 25.7 |
| HIERARCH ESO ISS PBLA23 END | 26.7 |
| HIERARCH ESO ISS PBL24 START | 82.846 |
| HIERARCH ESO ISS PBL24 END | 83.597 |
| HIERARCH ESO ISS PBLA24 START | 66.755 |
| HIERARCH ESO ISS PBLA24 END | 67.761 |
| HIERARCH ESO ISS PBL34 START | 56.864 |
| HIERARCH ESO ISS PBL34 END | 57.482 |
| HIERARCH ESO ISS PBLA34 START | 98.845 |
| HIERARCH ESO ISS PBLA34 END | 99.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007292 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007935 |
| HIERARCH ESO ISS AMBI TEMP | 16.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |