Exposure
- ID
- GRAVI.2022-03-20T00:28:23.653_2
- Header ID
- GRAVI.2022-03-20T00:28:23.653
- Date updated
- 2022-03-20 00:35:47 UTC+0000
- Release date
- 2023-03-20 00:35:47 UTC+0000
- UTC Start
- 2022-03-20 00:28:23.653
- UTC End
- 2022-03-20 00:29:11.653
- MJD Start
- 59658.01971821
- MJD End
- 59658.0202737656
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00241
- Ambient temperature (°C)
- 14.01
- Seeing (arcsec)
- 1.28
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 | 55.9610 | 55.9620 | 2.6000 | 2.8000 |
| U1-U3 | 100.0590 | 100.0720 | 7.6000 | 7.8000 |
| U1-U4 | 114.4570 | 114.5950 | 32.2110 | 32.4410 |
| U2-U3 | 44.5780 | 44.5910 | 13.9000 | 14.0000 |
| U2-U4 | 71.3820 | 71.5660 | 55.0060 | 55.2290 |
| U3-U4 | 47.8590 | 48.0260 | 92.8120 | 92.9230 |
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 | 59658.01971821 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 91881 |
| HIERARCH ESO INS SOBJ NAME | HD_91881_B |
| RA | 159.020951 |
| DEC | -26.67556 |
| 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 | 55.961 |
| HIERARCH ESO ISS PBL12 END | 55.962 |
| HIERARCH ESO ISS PBLA12 START | 2.6 |
| HIERARCH ESO ISS PBLA12 END | 2.8 |
| HIERARCH ESO ISS PBL13 START | 100.059 |
| HIERARCH ESO ISS PBL13 END | 100.072 |
| HIERARCH ESO ISS PBLA13 START | 7.6 |
| HIERARCH ESO ISS PBLA13 END | 7.8 |
| HIERARCH ESO ISS PBL14 START | 114.457 |
| HIERARCH ESO ISS PBL14 END | 114.595 |
| HIERARCH ESO ISS PBLA14 START | 32.211 |
| HIERARCH ESO ISS PBLA14 END | 32.441 |
| HIERARCH ESO ISS PBL23 START | 44.578 |
| HIERARCH ESO ISS PBL23 END | 44.591 |
| HIERARCH ESO ISS PBLA23 START | 13.9 |
| HIERARCH ESO ISS PBLA23 END | 14.0 |
| HIERARCH ESO ISS PBL24 START | 71.382 |
| HIERARCH ESO ISS PBL24 END | 71.566 |
| HIERARCH ESO ISS PBLA24 START | 55.006 |
| HIERARCH ESO ISS PBLA24 END | 55.229 |
| HIERARCH ESO ISS PBL34 START | 47.859 |
| HIERARCH ESO ISS PBL34 END | 48.026 |
| HIERARCH ESO ISS PBLA34 START | 92.812 |
| HIERARCH ESO ISS PBLA34 END | 92.923 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00241 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00241 |
| HIERARCH ESO ISS AMBI TEMP | 14.01 |
| HIERARCH ESO ISS AMBI FWHM START | 1.28 |
| HIERARCH ESO ISS AMBI FWHM END | 1.28 |
| HIERARCH ESO FT ROBJ NAME | HD_91881_A |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |