Exposure
- ID
- GRAVI.2023-07-31T04:24:44.590_2
- Header ID
- GRAVI.2023-07-31T04:24:44.590
- Date updated
- 2023-07-31 04:40:13 UTC+0000
- Release date
- 2023-07-31 04:24:44 UTC+0000
- UTC Start
- 2023-07-31 04:24:44.590
- UTC End
- 2023-07-31 04:30:44.590
- MJD Start
- 60156.18384942
- MJD End
- 60156.188016086664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054555
- Ambient temperature (°C)
- 18.24
- Seeing (arcsec)
- 0.79
Observation
- ID
- 56472
- Category
- calibrator
- Program ID
- 111.24H1.004
- 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
- 41849
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007645
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 | 52.5420 | 52.2110 | 38.3000 | 38.7000 |
| U1-U3 | 93.2700 | 92.5150 | 44.6000 | 44.9000 |
| U1-U4 | 109.7460 | 108.0280 | 75.2320 | 75.7890 |
| U2-U3 | 41.4360 | 41.0040 | 52.5000 | 52.8000 |
| U2-U4 | 74.7200 | 73.4970 | 100.2070 | 101.1750 |
| U3-U4 | 55.9820 | 55.4780 | 133.4050 | 134.6970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60156.18384942 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417098 |
| 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 | 52.542 |
| HIERARCH ESO ISS PBL12 END | 52.211 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 93.27 |
| HIERARCH ESO ISS PBL13 END | 92.515 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.9 |
| HIERARCH ESO ISS PBL14 START | 109.746 |
| HIERARCH ESO ISS PBL14 END | 108.028 |
| HIERARCH ESO ISS PBLA14 START | 75.232 |
| HIERARCH ESO ISS PBLA14 END | 75.789 |
| HIERARCH ESO ISS PBL23 START | 41.436 |
| HIERARCH ESO ISS PBL23 END | 41.004 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.72 |
| HIERARCH ESO ISS PBL24 END | 73.497 |
| HIERARCH ESO ISS PBLA24 START | 100.207 |
| HIERARCH ESO ISS PBLA24 END | 101.175 |
| HIERARCH ESO ISS PBL34 START | 55.982 |
| HIERARCH ESO ISS PBL34 END | 55.478 |
| HIERARCH ESO ISS PBLA34 START | 133.405 |
| HIERARCH ESO ISS PBLA34 END | 134.697 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005641 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00527 |
| HIERARCH ESO ISS AMBI TEMP | 18.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |