Exposure
- ID
- GRAVI.2023-08-30T09:31:52.936_2
- Header ID
- GRAVI.2023-08-30T09:31:52.936
- Date updated
- 2023-08-30 09:40:25 UTC+0000
- Release date
- 2023-08-30 09:31:52 UTC+0000
- UTC Start
- 2023-08-30 09:31:52.936
- UTC End
- 2023-08-30 09:32:56.936
- MJD Start
- 60186.39714046
- MJD End
- 60186.39788120074
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002362
- Ambient temperature (°C)
- 11.57
- Seeing (arcsec)
- 1.305
Observation
- ID
- 56818
- Category
- calibrator
- Program ID
- 111.24MN.001
- Program Title
- MONITORING 51 ERI B FOR A PERTURBING INNER COMPANION
- Program Type
- Monitoring
- PI / COI
- BALMER/ KAMMERER/ PUEYO/ LACOUR/ MAIRE/ WANG/ NOWAK/ STOLKER/ MOLLIERE/ CORREIA/ HINKLEY/ POURRÉ/ BOURDAROT/ OTTEN/ KERVELLA/ CASELLI/ BENISTY/ SAMLAND/ RICKMAN
Target
- ID
- 33294
- Name
- HD25535
- RA
- 60.514370833333324
- DEC
- -34.482168055555555
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 | 56.3020 | 56.2920 | 21.7000 | 21.9000 |
| U1-U3 | 102.1670 | 102.1490 | 27.9000 | 28.1000 |
| U1-U4 | 130.1240 | 130.1420 | 55.2910 | 55.4910 |
| U2-U3 | 46.5980 | 46.5920 | 35.5000 | 35.6000 |
| U2-U4 | 88.8560 | 88.9030 | 75.8080 | 76.0100 |
| U3-U4 | 61.2850 | 61.3420 | 105.3000 | 105.4800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60186.39714046 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD25535 |
| HIERARCH ESO INS SOBJ NAME | HD25535B |
| RA | 60.519381 |
| DEC | -34.4821 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 56.302 |
| HIERARCH ESO ISS PBL12 END | 56.292 |
| HIERARCH ESO ISS PBLA12 START | 21.7 |
| HIERARCH ESO ISS PBLA12 END | 21.9 |
| HIERARCH ESO ISS PBL13 START | 102.167 |
| HIERARCH ESO ISS PBL13 END | 102.149 |
| HIERARCH ESO ISS PBLA13 START | 27.9 |
| HIERARCH ESO ISS PBLA13 END | 28.1 |
| HIERARCH ESO ISS PBL14 START | 130.124 |
| HIERARCH ESO ISS PBL14 END | 130.142 |
| HIERARCH ESO ISS PBLA14 START | 55.291 |
| HIERARCH ESO ISS PBLA14 END | 55.491 |
| HIERARCH ESO ISS PBL23 START | 46.598 |
| HIERARCH ESO ISS PBL23 END | 46.592 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 35.6 |
| HIERARCH ESO ISS PBL24 START | 88.856 |
| HIERARCH ESO ISS PBL24 END | 88.903 |
| HIERARCH ESO ISS PBLA24 START | 75.808 |
| HIERARCH ESO ISS PBLA24 END | 76.01 |
| HIERARCH ESO ISS PBL34 START | 61.285 |
| HIERARCH ESO ISS PBL34 END | 61.342 |
| HIERARCH ESO ISS PBLA34 START | 105.3 |
| HIERARCH ESO ISS PBLA34 END | 105.48 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002437 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002287 |
| HIERARCH ESO ISS AMBI TEMP | 11.57 |
| HIERARCH ESO ISS AMBI FWHM START | 1.41 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | HD25535 |
| HIERARCH ESO FT ROBJ ALPHA | 040203.449 |
| HIERARCH ESO FT ROBJ DELTA | -342855.805 |