Exposure
- ID
- GRAVI.2023-07-05T06:28:16.772_2
- Header ID
- GRAVI.2023-07-05T06:28:16.772
- Date updated
- 2023-07-05 06:43:02 UTC+0000
- Release date
- 2023-07-05 06:28:16 UTC+0000
- UTC Start
- 2023-07-05 06:28:16.772
- UTC End
- 2023-07-05 06:34:16.772
- MJD Start
- 60130.26963856
- MJD End
- 60130.2738052267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004575
- Ambient temperature (°C)
- 13.36
- Seeing (arcsec)
- 0.84
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 | 51.4040 | 51.0240 | 39.4000 | 39.6000 |
| U1-U3 | 90.6750 | 89.8130 | 45.5000 | 45.8000 |
| U1-U4 | 103.8690 | 101.9350 | 77.0440 | 77.5920 |
| U2-U3 | 39.9560 | 39.4660 | 53.5000 | 53.8000 |
| U2-U4 | 70.5710 | 69.2260 | 103.4820 | 104.5470 |
| U3-U4 | 54.3120 | 53.7960 | 137.7650 | 139.1720 |
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 | 60130.26963856 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 51.404 |
| HIERARCH ESO ISS PBL12 END | 51.024 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 90.675 |
| HIERARCH ESO ISS PBL13 END | 89.813 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.869 |
| HIERARCH ESO ISS PBL14 END | 101.935 |
| HIERARCH ESO ISS PBLA14 START | 77.044 |
| HIERARCH ESO ISS PBLA14 END | 77.592 |
| HIERARCH ESO ISS PBL23 START | 39.956 |
| HIERARCH ESO ISS PBL23 END | 39.466 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.571 |
| HIERARCH ESO ISS PBL24 END | 69.226 |
| HIERARCH ESO ISS PBLA24 START | 103.482 |
| HIERARCH ESO ISS PBLA24 END | 104.547 |
| HIERARCH ESO ISS PBL34 START | 54.312 |
| HIERARCH ESO ISS PBL34 END | 53.796 |
| HIERARCH ESO ISS PBLA34 START | 137.765 |
| HIERARCH ESO ISS PBLA34 END | 139.172 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00491 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00424 |
| HIERARCH ESO ISS AMBI TEMP | 13.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |