Exposure
- ID
- GRAVI.2022-03-21T04:35:50.241_2
- Header ID
- GRAVI.2022-03-21T04:35:50.241
- 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 04:35:50.241
- UTC End
- 2022-03-21 04:36:38.241
- MJD Start
- 59659.19155372
- MJD End
- 59659.1921092756
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00548
- Ambient temperature (°C)
- 13.66
- Seeing (arcsec)
- 0.725
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 | 55.7290 | 55.7050 | 32.7000 | 32.8000 |
| U1-U3 | 100.4810 | 100.4260 | 39.0000 | 39.1000 |
| U1-U4 | 125.4940 | 125.3520 | 67.5370 | 67.6380 |
| U2-U3 | 45.5010 | 45.4680 | 46.8000 | 46.8000 |
| U2-U4 | 85.8450 | 85.7340 | 89.2840 | 89.4100 |
| U3-U4 | 60.6890 | 60.6320 | 119.7370 | 119.8940 |
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 | 59659.19155372 |
| 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 | 55.729 |
| HIERARCH ESO ISS PBL12 END | 55.705 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 32.8 |
| HIERARCH ESO ISS PBL13 START | 100.481 |
| HIERARCH ESO ISS PBL13 END | 100.426 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.1 |
| HIERARCH ESO ISS PBL14 START | 125.494 |
| HIERARCH ESO ISS PBL14 END | 125.352 |
| HIERARCH ESO ISS PBLA14 START | 67.537 |
| HIERARCH ESO ISS PBLA14 END | 67.638 |
| HIERARCH ESO ISS PBL23 START | 45.501 |
| HIERARCH ESO ISS PBL23 END | 45.468 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 46.8 |
| HIERARCH ESO ISS PBL24 START | 85.845 |
| HIERARCH ESO ISS PBL24 END | 85.734 |
| HIERARCH ESO ISS PBLA24 START | 89.284 |
| HIERARCH ESO ISS PBLA24 END | 89.41 |
| HIERARCH ESO ISS PBL34 START | 60.689 |
| HIERARCH ESO ISS PBL34 END | 60.632 |
| HIERARCH ESO ISS PBLA34 START | 119.737 |
| HIERARCH ESO ISS PBLA34 END | 119.894 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0055 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00546 |
| HIERARCH ESO ISS AMBI TEMP | 13.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |