Exposure
- ID
- GRAVI.2022-03-21T04:34:23.237_2
- Header ID
- GRAVI.2022-03-21T04:34:23.237
- Date updated
- 2022-03-21 04:45:45 UTC+0000
- Release date
- 2023-03-21 04:45:45 UTC+0000
- UTC Start
- 2022-03-21 04:34:23.237
- UTC End
- 2022-03-21 04:35:11.237
- MJD Start
- 59659.19054673
- MJD End
- 59659.1911022856
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053285
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 0.745
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 | 55.7570 | 55.7350 | 32.6000 | 32.7000 |
| U1-U3 | 100.5490 | 100.4960 | 38.9000 | 39.0000 |
| U1-U4 | 125.6690 | 125.5330 | 67.4110 | 67.5100 |
| U2-U3 | 45.5420 | 45.5100 | 46.6000 | 46.7000 |
| U2-U4 | 85.9810 | 85.8750 | 89.1260 | 89.2500 |
| U3-U4 | 60.7590 | 60.7040 | 119.5400 | 119.6930 |
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 | 59659.19054673 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 91881 |
| HIERARCH ESO INS SOBJ NAME | HD_91881_B |
| RA | 159.021364 |
| DEC | -26.67551 |
| 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 | 55.757 |
| HIERARCH ESO ISS PBL12 END | 55.735 |
| HIERARCH ESO ISS PBLA12 START | 32.6 |
| HIERARCH ESO ISS PBLA12 END | 32.7 |
| HIERARCH ESO ISS PBL13 START | 100.549 |
| HIERARCH ESO ISS PBL13 END | 100.496 |
| HIERARCH ESO ISS PBLA13 START | 38.9 |
| HIERARCH ESO ISS PBLA13 END | 39.0 |
| HIERARCH ESO ISS PBL14 START | 125.669 |
| HIERARCH ESO ISS PBL14 END | 125.533 |
| HIERARCH ESO ISS PBLA14 START | 67.411 |
| HIERARCH ESO ISS PBLA14 END | 67.51 |
| HIERARCH ESO ISS PBL23 START | 45.542 |
| HIERARCH ESO ISS PBL23 END | 45.51 |
| HIERARCH ESO ISS PBLA23 START | 46.6 |
| HIERARCH ESO ISS PBLA23 END | 46.7 |
| HIERARCH ESO ISS PBL24 START | 85.981 |
| HIERARCH ESO ISS PBL24 END | 85.875 |
| HIERARCH ESO ISS PBLA24 START | 89.126 |
| HIERARCH ESO ISS PBLA24 END | 89.25 |
| HIERARCH ESO ISS PBL34 START | 60.759 |
| HIERARCH ESO ISS PBL34 END | 60.704 |
| HIERARCH ESO ISS PBLA34 START | 119.54 |
| HIERARCH ESO ISS PBLA34 END | 119.693 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005157 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0055 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |