Exposure
- ID
- GRAVI.2022-03-20T00:26:56.649_2
- Header ID
- GRAVI.2022-03-20T00:26:56.649
- 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 00:26:56.649
- UTC End
- 2022-03-20 00:27:44.649
- MJD Start
- 59658.01871122
- MJD End
- 59658.0192667756
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002382
- Ambient temperature (°C)
- 14.0
- Seeing (arcsec)
- 1.285
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 | 55.9590 | 55.9600 | 2.4000 | 2.5000 |
| U1-U3 | 100.0430 | 100.0550 | 7.4000 | 7.5000 |
| U1-U4 | 114.2730 | 114.4110 | 31.9010 | 32.1340 |
| U2-U3 | 44.5590 | 44.5730 | 13.6000 | 13.8000 |
| U2-U4 | 71.1350 | 71.3210 | 54.7040 | 54.9300 |
| U3-U4 | 47.6340 | 47.8030 | 92.6630 | 92.7750 |
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 | 59658.01871122 |
| 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 | 55.959 |
| HIERARCH ESO ISS PBL12 END | 55.96 |
| HIERARCH ESO ISS PBLA12 START | 2.4 |
| HIERARCH ESO ISS PBLA12 END | 2.5 |
| HIERARCH ESO ISS PBL13 START | 100.043 |
| HIERARCH ESO ISS PBL13 END | 100.055 |
| HIERARCH ESO ISS PBLA13 START | 7.4 |
| HIERARCH ESO ISS PBLA13 END | 7.5 |
| HIERARCH ESO ISS PBL14 START | 114.273 |
| HIERARCH ESO ISS PBL14 END | 114.411 |
| HIERARCH ESO ISS PBLA14 START | 31.901 |
| HIERARCH ESO ISS PBLA14 END | 32.134 |
| HIERARCH ESO ISS PBL23 START | 44.559 |
| HIERARCH ESO ISS PBL23 END | 44.573 |
| HIERARCH ESO ISS PBLA23 START | 13.6 |
| HIERARCH ESO ISS PBLA23 END | 13.8 |
| HIERARCH ESO ISS PBL24 START | 71.135 |
| HIERARCH ESO ISS PBL24 END | 71.321 |
| HIERARCH ESO ISS PBLA24 START | 54.704 |
| HIERARCH ESO ISS PBLA24 END | 54.93 |
| HIERARCH ESO ISS PBL34 START | 47.634 |
| HIERARCH ESO ISS PBL34 END | 47.803 |
| HIERARCH ESO ISS PBLA34 START | 92.663 |
| HIERARCH ESO ISS PBLA34 END | 92.775 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002354 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00241 |
| HIERARCH ESO ISS AMBI TEMP | 14.0 |
| HIERARCH ESO ISS AMBI FWHM START | 1.29 |
| 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 |