Exposure
- ID
- GRAVI.2023-07-07T06:21:24.009_2
- Header ID
- GRAVI.2023-07-07T06:21:24.009
- Date updated
- 2023-07-07 06:35:46 UTC+0000
- Release date
- 2023-07-07 06:21:24 UTC+0000
- UTC Start
- 2023-07-07 06:21:24.009
- UTC End
- 2023-07-07 06:27:24.009
- MJD Start
- 60132.26486122
- MJD End
- 60132.2690278867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003308
- Ambient temperature (°C)
- 9.12
- Seeing (arcsec)
- 0.705
Observation
- ID
- 56078
- Category
- calibrator
- Program ID
- 111.24H1.003
- 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 | 51.3460 | 50.9670 | 39.4000 | 39.7000 |
| U1-U3 | 90.5440 | 89.6820 | 45.6000 | 45.8000 |
| U1-U4 | 103.5740 | 101.6390 | 77.1290 | 77.6730 |
| U2-U3 | 39.8820 | 39.3920 | 53.6000 | 53.8000 |
| U2-U4 | 70.3650 | 69.0210 | 103.6440 | 104.7090 |
| U3-U4 | 54.2310 | 53.7180 | 137.9810 | 139.3870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60132.26486122 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416945 |
| DEC | -29.00737 |
| 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 | 51.346 |
| HIERARCH ESO ISS PBL12 END | 50.967 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.7 |
| HIERARCH ESO ISS PBL13 START | 90.544 |
| HIERARCH ESO ISS PBL13 END | 89.682 |
| HIERARCH ESO ISS PBLA13 START | 45.6 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.574 |
| HIERARCH ESO ISS PBL14 END | 101.639 |
| HIERARCH ESO ISS PBLA14 START | 77.129 |
| HIERARCH ESO ISS PBLA14 END | 77.673 |
| HIERARCH ESO ISS PBL23 START | 39.882 |
| HIERARCH ESO ISS PBL23 END | 39.392 |
| HIERARCH ESO ISS PBLA23 START | 53.6 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.365 |
| HIERARCH ESO ISS PBL24 END | 69.021 |
| HIERARCH ESO ISS PBLA24 START | 103.644 |
| HIERARCH ESO ISS PBLA24 END | 104.709 |
| HIERARCH ESO ISS PBL34 START | 54.231 |
| HIERARCH ESO ISS PBL34 END | 53.718 |
| HIERARCH ESO ISS PBLA34 START | 137.981 |
| HIERARCH ESO ISS PBLA34 END | 139.387 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003591 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003025 |
| HIERARCH ESO ISS AMBI TEMP | 9.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |