Exposure
- ID
- GRAVI.2022-03-20T05:22:27.394_2
- Header ID
- GRAVI.2022-03-20T05:22:27.394
- Date updated
- 2022-03-20 05:30:58 UTC+0000
- Release date
- 2023-03-20 05:30:58 UTC+0000
- UTC Start
- 2022-03-20 05:22:27.394
- UTC End
- 2022-03-20 05:23:15.394
- MJD Start
- 59658.22392817
- MJD End
- 59658.2244837256
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034025
- Ambient temperature (°C)
- 14.84
- Seeing (arcsec)
- 0.65
Observation
- ID
- 49333
- Category
- science
- Program ID
- 108.226K.002
- Program Title
- CHARACTERIZING A NEW, DIRECTLY-IMAGED PLANET TO A YOUNG, SOLAR-TYPE STAR
- Program Type
- Normal
- PI / COI
- BOHN/ KENWORTHY/ GINSKI/ KAMMERER/ LACOUR/ NOWAK/ MAMAJEK/ MESHKAT/ PECAUT/ REGGIANI/ SNIK/ MUGRAUER/ VOGT
Target
- ID
- 36908
- Name
- HD_91881_A
- RA
- 159.018779166667
- DEC
- -26.6754813888889
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 | 54.5760 | 54.5380 | 35.8000 | 35.9000 |
| U1-U3 | 97.7360 | 97.6480 | 42.0000 | 42.1000 |
| U1-U4 | 118.5750 | 118.3560 | 71.1470 | 71.2350 |
| U2-U3 | 43.8770 | 43.8250 | 49.7000 | 49.8000 |
| U2-U4 | 80.4970 | 80.3330 | 94.2340 | 94.3640 |
| U3-U4 | 58.0280 | 57.9500 | 126.2390 | 126.4180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.226K.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59658.22392817 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 91881 |
| HIERARCH ESO INS SOBJ NAME | HD_91881_B |
| RA | 159.021247 |
| DEC | -26.67554 |
| 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 | 68.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 48 |
| HIERARCH ESO ISS PBL12 START | 54.576 |
| HIERARCH ESO ISS PBL12 END | 54.538 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 97.736 |
| HIERARCH ESO ISS PBL13 END | 97.648 |
| HIERARCH ESO ISS PBLA13 START | 42.0 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 118.575 |
| HIERARCH ESO ISS PBL14 END | 118.356 |
| HIERARCH ESO ISS PBLA14 START | 71.147 |
| HIERARCH ESO ISS PBLA14 END | 71.235 |
| HIERARCH ESO ISS PBL23 START | 43.877 |
| HIERARCH ESO ISS PBL23 END | 43.825 |
| HIERARCH ESO ISS PBLA23 START | 49.7 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 80.497 |
| HIERARCH ESO ISS PBL24 END | 80.333 |
| HIERARCH ESO ISS PBLA24 START | 94.234 |
| HIERARCH ESO ISS PBLA24 END | 94.364 |
| HIERARCH ESO ISS PBL34 START | 58.028 |
| HIERARCH ESO ISS PBL34 END | 57.95 |
| HIERARCH ESO ISS PBLA34 START | 126.239 |
| HIERARCH ESO ISS PBLA34 END | 126.418 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003247 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003558 |
| HIERARCH ESO ISS AMBI TEMP | 14.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |