Exposure
- ID
- GRAVI.2023-09-02T00:43:10.609_2
- Header ID
- GRAVI.2023-09-02T00:43:10.609
- Date updated
- 2023-09-02 01:00:16 UTC+0000
- Release date
- 2023-09-02 00:43:10 UTC+0000
- UTC Start
- 2023-09-02 00:43:10.609
- UTC End
- 2023-09-02 00:49:10.609
- MJD Start
- 60189.0299839
- MJD End
- 60189.034150566666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028450000000000003
- Ambient temperature (°C)
- 11.53
- Seeing (arcsec)
- 0.8049999999999999
Observation
- ID
- 56825
- Category
- calibrator
- Program ID
- 111.24H1.005
- 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
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 55.6840 | 55.5480 | 31.8000 | 32.4000 |
| U1-U3 | 100.5330 | 100.2190 | 38.2000 | 38.7000 |
| U1-U4 | 126.5910 | 125.8630 | 66.7680 | 67.4150 |
| U2-U3 | 45.6160 | 45.4340 | 46.0000 | 46.5000 |
| U2-U4 | 87.0320 | 86.4960 | 88.2840 | 89.0630 |
| U3-U4 | 61.5240 | 61.2730 | 118.2330 | 119.1480 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60189.0299839 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416848 |
| DEC | -29.00725 |
| 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 | 55.684 |
| HIERARCH ESO ISS PBL12 END | 55.548 |
| HIERARCH ESO ISS PBLA12 START | 31.8 |
| HIERARCH ESO ISS PBLA12 END | 32.4 |
| HIERARCH ESO ISS PBL13 START | 100.533 |
| HIERARCH ESO ISS PBL13 END | 100.219 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 38.7 |
| HIERARCH ESO ISS PBL14 START | 126.591 |
| HIERARCH ESO ISS PBL14 END | 125.863 |
| HIERARCH ESO ISS PBLA14 START | 66.768 |
| HIERARCH ESO ISS PBLA14 END | 67.415 |
| HIERARCH ESO ISS PBL23 START | 45.616 |
| HIERARCH ESO ISS PBL23 END | 45.434 |
| HIERARCH ESO ISS PBLA23 START | 46.0 |
| HIERARCH ESO ISS PBLA23 END | 46.5 |
| HIERARCH ESO ISS PBL24 START | 87.032 |
| HIERARCH ESO ISS PBL24 END | 86.496 |
| HIERARCH ESO ISS PBLA24 START | 88.284 |
| HIERARCH ESO ISS PBLA24 END | 89.063 |
| HIERARCH ESO ISS PBL34 START | 61.524 |
| HIERARCH ESO ISS PBL34 END | 61.273 |
| HIERARCH ESO ISS PBLA34 START | 118.233 |
| HIERARCH ESO ISS PBLA34 END | 119.148 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002988 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002702 |
| HIERARCH ESO ISS AMBI TEMP | 11.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |