Exposure
- ID
- GRAVI.2022-02-20T06:23:06.112_2
- Header ID
- GRAVI.2022-02-20T06:23:06.112
- Date updated
- 2022-02-20 06:30:48 UTC+0000
- Release date
- 2023-02-20 06:30:48 UTC+0000
- UTC Start
- 2022-02-20 06:23:06.112
- UTC End
- 2022-02-20 06:23:34.912
- MJD Start
- 59630.26604296
- MJD End
- 59630.26637629333
- Exposure time (s)
- 28.8
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011969
- Ambient temperature (°C)
- 12.79
- Seeing (arcsec)
- 0.61
Observation
- ID
- 49355
- Category
- science
- Program ID
- 1104.C-0651(B)
- Program Title
- AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
- Program Type
- DDT
- PI / COI
- LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
- ID
- 36925
- Name
- HD91881
- RA
- 159.01877916666663
- DEC
- -26.67548138888889
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 | 55.8590 | 55.8430 | 32.2000 | 32.3000 |
| U1-U3 | 100.7950 | 100.7570 | 38.5000 | 38.6000 |
| U1-U4 | 126.2990 | 126.1990 | 66.9300 | 67.0090 |
| U2-U3 | 45.6880 | 45.6650 | 46.2000 | 46.3000 |
| U2-U4 | 86.4730 | 86.3950 | 88.5310 | 88.6280 |
| U3-U4 | 61.0120 | 60.9720 | 118.8050 | 118.9240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(B) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59630.26604296 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD91881 |
| HIERARCH ESO INS SOBJ NAME | HD91881B |
| RA | 159.021193 |
| DEC | -26.67593 |
| 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 | 55.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 96 |
| HIERARCH ESO ISS PBL12 START | 55.859 |
| HIERARCH ESO ISS PBL12 END | 55.843 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.3 |
| HIERARCH ESO ISS PBL13 START | 100.795 |
| HIERARCH ESO ISS PBL13 END | 100.757 |
| HIERARCH ESO ISS PBLA13 START | 38.5 |
| HIERARCH ESO ISS PBLA13 END | 38.6 |
| HIERARCH ESO ISS PBL14 START | 126.299 |
| HIERARCH ESO ISS PBL14 END | 126.199 |
| HIERARCH ESO ISS PBLA14 START | 66.93 |
| HIERARCH ESO ISS PBLA14 END | 67.009 |
| HIERARCH ESO ISS PBL23 START | 45.688 |
| HIERARCH ESO ISS PBL23 END | 45.665 |
| HIERARCH ESO ISS PBLA23 START | 46.2 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 86.473 |
| HIERARCH ESO ISS PBL24 END | 86.395 |
| HIERARCH ESO ISS PBLA24 START | 88.531 |
| HIERARCH ESO ISS PBLA24 END | 88.628 |
| HIERARCH ESO ISS PBL34 START | 61.012 |
| HIERARCH ESO ISS PBL34 END | 60.972 |
| HIERARCH ESO ISS PBLA34 START | 118.805 |
| HIERARCH ESO ISS PBLA34 END | 118.924 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011969 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011969 |
| HIERARCH ESO ISS AMBI TEMP | 12.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | HD91881 |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |