Exposure
- ID
- GRAVI.2023-06-07T06:22:22.024_2
- Header ID
- GRAVI.2023-06-07T06:22:22.024
- Date updated
- 2023-06-07 06:35:44 UTC+0000
- Release date
- 2024-06-07 06:35:44 UTC+0000
- UTC Start
- 2023-06-07 06:22:22.024
- UTC End
- 2023-06-07 06:28:22.024
- MJD Start
- 60102.26553268
- MJD End
- 60102.2696993467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011726
- Ambient temperature (°C)
- 15.04
- Seeing (arcsec)
- 0.36
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 | 55.7400 | 55.6100 | 31.5000 | 32.1000 |
| U1-U3 | 100.6640 | 100.3620 | 37.9000 | 38.5000 |
| U1-U4 | 126.8930 | 126.1960 | 66.4790 | 67.1300 |
| U2-U3 | 45.6910 | 45.5170 | 45.7000 | 46.3000 |
| U2-U4 | 87.2530 | 86.7410 | 87.9420 | 88.7170 |
| U3-U4 | 61.6260 | 61.3880 | 117.8350 | 118.7400 |
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 | 60102.26553268 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416567 |
| DEC | -29.00724 |
| 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 | 55.74 |
| HIERARCH ESO ISS PBL12 END | 55.61 |
| HIERARCH ESO ISS PBLA12 START | 31.5 |
| HIERARCH ESO ISS PBLA12 END | 32.1 |
| HIERARCH ESO ISS PBL13 START | 100.664 |
| HIERARCH ESO ISS PBL13 END | 100.362 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.893 |
| HIERARCH ESO ISS PBL14 END | 126.196 |
| HIERARCH ESO ISS PBLA14 START | 66.479 |
| HIERARCH ESO ISS PBLA14 END | 67.13 |
| HIERARCH ESO ISS PBL23 START | 45.691 |
| HIERARCH ESO ISS PBL23 END | 45.517 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.253 |
| HIERARCH ESO ISS PBL24 END | 86.741 |
| HIERARCH ESO ISS PBLA24 START | 87.942 |
| HIERARCH ESO ISS PBLA24 END | 88.717 |
| HIERARCH ESO ISS PBL34 START | 61.626 |
| HIERARCH ESO ISS PBL34 END | 61.388 |
| HIERARCH ESO ISS PBLA34 START | 117.835 |
| HIERARCH ESO ISS PBLA34 END | 118.74 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.012346 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011106 |
| HIERARCH ESO ISS AMBI TEMP | 15.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |