Exposure
- ID
- GRAVI.2022-03-20T04:05:27.200_2
- Header ID
- GRAVI.2022-03-20T04:05:27.200
- Date updated
- 2022-03-20 04:15:58 UTC+0000
- Release date
- 2023-03-20 04:15:58 UTC+0000
- UTC Start
- 2022-03-20 04:05:27.200
- UTC End
- 2022-03-20 04:06:15.200
- MJD Start
- 59658.1704537
- MJD End
- 59658.1710092556
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005163
- Ambient temperature (°C)
- 14.75
- Seeing (arcsec)
- 0.86
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 | 56.2650 | 56.2530 | 29.8000 | 29.9000 |
| U1-U3 | 101.7710 | 101.7420 | 36.1000 | 36.2000 |
| U1-U4 | 128.7940 | 128.7210 | 64.3190 | 64.4240 |
| U2-U3 | 46.2700 | 46.2530 | 43.8000 | 43.9000 |
| U2-U4 | 88.4210 | 88.3650 | 85.4790 | 85.5970 |
| U3-U4 | 62.0180 | 61.9890 | 115.2100 | 115.3430 |
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 | 59658.1704537 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 91881 |
| HIERARCH ESO INS SOBJ NAME | HD_91881_B |
| RA | 159.021192 |
| DEC | -26.67581 |
| 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 | 56.265 |
| HIERARCH ESO ISS PBL12 END | 56.253 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 101.771 |
| HIERARCH ESO ISS PBL13 END | 101.742 |
| HIERARCH ESO ISS PBLA13 START | 36.1 |
| HIERARCH ESO ISS PBLA13 END | 36.2 |
| HIERARCH ESO ISS PBL14 START | 128.794 |
| HIERARCH ESO ISS PBL14 END | 128.721 |
| HIERARCH ESO ISS PBLA14 START | 64.319 |
| HIERARCH ESO ISS PBLA14 END | 64.424 |
| HIERARCH ESO ISS PBL23 START | 46.27 |
| HIERARCH ESO ISS PBL23 END | 46.253 |
| HIERARCH ESO ISS PBLA23 START | 43.8 |
| HIERARCH ESO ISS PBLA23 END | 43.9 |
| HIERARCH ESO ISS PBL24 START | 88.421 |
| HIERARCH ESO ISS PBL24 END | 88.365 |
| HIERARCH ESO ISS PBLA24 START | 85.479 |
| HIERARCH ESO ISS PBLA24 END | 85.597 |
| HIERARCH ESO ISS PBL34 START | 62.018 |
| HIERARCH ESO ISS PBL34 END | 61.989 |
| HIERARCH ESO ISS PBLA34 START | 115.21 |
| HIERARCH ESO ISS PBLA34 END | 115.343 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005054 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005272 |
| HIERARCH ESO ISS AMBI TEMP | 14.75 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |