Exposure
- ID
- GRAVI.2023-08-30T00:45:29.019_2
- Header ID
- GRAVI.2023-08-30T00:45:29.019
- Date updated
- 2023-08-30 01:00:19 UTC+0000
- Release date
- 2023-08-30 00:45:29 UTC+0000
- UTC Start
- 2023-08-30 00:45:29.019
- UTC End
- 2023-08-30 00:51:29.019
- MJD Start
- 60186.03158587
- MJD End
- 60186.03575253666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035989999999999998
- Ambient temperature (°C)
- 13.4
- Seeing (arcsec)
- 0.6
Observation
- ID
- 56802
- 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
- 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 | 55.8610 | 55.7420 | 30.9000 | 31.5000 |
| U1-U3 | 100.9450 | 100.6690 | 37.3000 | 37.9000 |
| U1-U4 | 127.5350 | 126.9050 | 65.7970 | 66.4630 |
| U2-U3 | 45.8530 | 45.6940 | 45.1000 | 45.7000 |
| U2-U4 | 87.7210 | 87.2620 | 87.1450 | 87.9230 |
| U3-U4 | 61.8410 | 61.6300 | 116.9220 | 117.8140 |
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 | 60186.03158587 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417167 |
| DEC | -29.00723 |
| 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 | 55.861 |
| HIERARCH ESO ISS PBL12 END | 55.742 |
| HIERARCH ESO ISS PBLA12 START | 30.9 |
| HIERARCH ESO ISS PBLA12 END | 31.5 |
| HIERARCH ESO ISS PBL13 START | 100.945 |
| HIERARCH ESO ISS PBL13 END | 100.669 |
| HIERARCH ESO ISS PBLA13 START | 37.3 |
| HIERARCH ESO ISS PBLA13 END | 37.9 |
| HIERARCH ESO ISS PBL14 START | 127.535 |
| HIERARCH ESO ISS PBL14 END | 126.905 |
| HIERARCH ESO ISS PBLA14 START | 65.797 |
| HIERARCH ESO ISS PBLA14 END | 66.463 |
| HIERARCH ESO ISS PBL23 START | 45.853 |
| HIERARCH ESO ISS PBL23 END | 45.694 |
| HIERARCH ESO ISS PBLA23 START | 45.1 |
| HIERARCH ESO ISS PBLA23 END | 45.7 |
| HIERARCH ESO ISS PBL24 START | 87.721 |
| HIERARCH ESO ISS PBL24 END | 87.262 |
| HIERARCH ESO ISS PBLA24 START | 87.145 |
| HIERARCH ESO ISS PBLA24 END | 87.923 |
| HIERARCH ESO ISS PBL34 START | 61.841 |
| HIERARCH ESO ISS PBL34 END | 61.63 |
| HIERARCH ESO ISS PBLA34 START | 116.922 |
| HIERARCH ESO ISS PBLA34 END | 117.814 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003174 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004024 |
| HIERARCH ESO ISS AMBI TEMP | 13.4 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |