Exposure
- ID
- GRAVI.2022-03-20T02:41:20.988_2
- Header ID
- GRAVI.2022-03-20T02:41:20.988
- Date updated
- 2022-03-20 02:50:52 UTC+0000
- Release date
- 2023-03-20 02:50:51 UTC+0000
- UTC Start
- 2022-03-20 02:41:20.988
- UTC End
- 2022-03-20 02:42:08.988
- MJD Start
- 59658.11204847
- MJD End
- 59658.1126040256
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003013
- Ambient temperature (°C)
- 14.32
- Seeing (arcsec)
- 0.76
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 | 56.5170 | 56.5200 | 20.7000 | 20.8000 |
| U1-U3 | 102.2580 | 102.2690 | 27.0000 | 27.1000 |
| U1-U4 | 129.0130 | 129.0740 | 54.7930 | 54.9350 |
| U2-U3 | 46.4840 | 46.4930 | 34.6000 | 34.7000 |
| U2-U4 | 88.0890 | 88.1520 | 75.8610 | 75.9950 |
| U3-U4 | 61.3850 | 61.4320 | 105.8490 | 105.9600 |
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 | 59658.11204847 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 91881 |
| HIERARCH ESO INS SOBJ NAME | HD_91881_B |
| RA | 159.020971 |
| DEC | -26.6758 |
| 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 | 56.517 |
| HIERARCH ESO ISS PBL12 END | 56.52 |
| HIERARCH ESO ISS PBLA12 START | 20.7 |
| HIERARCH ESO ISS PBLA12 END | 20.8 |
| HIERARCH ESO ISS PBL13 START | 102.258 |
| HIERARCH ESO ISS PBL13 END | 102.269 |
| HIERARCH ESO ISS PBLA13 START | 27.0 |
| HIERARCH ESO ISS PBLA13 END | 27.1 |
| HIERARCH ESO ISS PBL14 START | 129.013 |
| HIERARCH ESO ISS PBL14 END | 129.074 |
| HIERARCH ESO ISS PBLA14 START | 54.793 |
| HIERARCH ESO ISS PBLA14 END | 54.935 |
| HIERARCH ESO ISS PBL23 START | 46.484 |
| HIERARCH ESO ISS PBL23 END | 46.493 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 34.7 |
| HIERARCH ESO ISS PBL24 START | 88.089 |
| HIERARCH ESO ISS PBL24 END | 88.152 |
| HIERARCH ESO ISS PBLA24 START | 75.861 |
| HIERARCH ESO ISS PBLA24 END | 75.995 |
| HIERARCH ESO ISS PBL34 START | 61.385 |
| HIERARCH ESO ISS PBL34 END | 61.432 |
| HIERARCH ESO ISS PBLA34 START | 105.849 |
| HIERARCH ESO ISS PBLA34 END | 105.96 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002908 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003118 |
| HIERARCH ESO ISS AMBI TEMP | 14.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |