Exposure
- ID
- GRAVI.2023-06-04T06:34:18.060_2
- Header ID
- GRAVI.2023-06-04T06:34:18.060
- Date updated
- 2023-06-04 06:50:13 UTC+0000
- Release date
- 2024-06-04 06:50:13 UTC+0000
- UTC Start
- 2023-06-04 06:34:18.060
- UTC End
- 2023-06-04 06:40:18.060
- MJD Start
- 60099.27382014
- MJD End
- 60099.2779868067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007667
- Ambient temperature (°C)
- 14.04
- Seeing (arcsec)
- 0.665
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 | 55.7380 | 55.6080 | 31.5000 | 32.1000 |
| U1-U3 | 100.6590 | 100.3570 | 37.9000 | 38.5000 |
| U1-U4 | 126.8810 | 126.1830 | 66.4880 | 67.1390 |
| U2-U3 | 45.6880 | 45.5140 | 45.7000 | 46.3000 |
| U2-U4 | 87.2440 | 86.7320 | 87.9530 | 88.7290 |
| U3-U4 | 61.6220 | 61.3840 | 117.8490 | 118.7540 |
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 | 60099.27382014 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 55.738 |
| HIERARCH ESO ISS PBL12 END | 55.608 |
| HIERARCH ESO ISS PBLA12 START | 31.5 |
| HIERARCH ESO ISS PBLA12 END | 32.1 |
| HIERARCH ESO ISS PBL13 START | 100.659 |
| HIERARCH ESO ISS PBL13 END | 100.357 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.881 |
| HIERARCH ESO ISS PBL14 END | 126.183 |
| HIERARCH ESO ISS PBLA14 START | 66.488 |
| HIERARCH ESO ISS PBLA14 END | 67.139 |
| HIERARCH ESO ISS PBL23 START | 45.688 |
| HIERARCH ESO ISS PBL23 END | 45.514 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.244 |
| HIERARCH ESO ISS PBL24 END | 86.732 |
| HIERARCH ESO ISS PBLA24 START | 87.953 |
| HIERARCH ESO ISS PBLA24 END | 88.729 |
| HIERARCH ESO ISS PBL34 START | 61.622 |
| HIERARCH ESO ISS PBL34 END | 61.384 |
| HIERARCH ESO ISS PBLA34 START | 117.849 |
| HIERARCH ESO ISS PBLA34 END | 118.754 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008815 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006519 |
| HIERARCH ESO ISS AMBI TEMP | 14.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |