Exposure
- ID
- GRAVI.2022-01-23T05:41:55.499_2
- Header ID
- GRAVI.2022-01-23T05:41:55.499
- Date updated
- 2022-01-23 05:50:54 UTC+0000
- Release date
- 2023-01-23 05:50:54 UTC+0000
- UTC Start
- 2022-01-23 05:41:55.499
- UTC End
- 2022-01-23 05:42:59.499
- MJD Start
- 59602.23744791
- MJD End
- 59602.23818865074
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0127565
- Ambient temperature (°C)
- 13.97
- Seeing (arcsec)
- 0.295
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 | 56.3450 | 56.3520 | 15.7000 | 15.9000 |
| U1-U3 | 101.6640 | 101.6900 | 21.7000 | 21.9000 |
| U1-U4 | 125.9090 | 126.0450 | 49.2160 | 49.4280 |
| U2-U3 | 46.0160 | 46.0370 | 29.1000 | 29.3000 |
| U2-U4 | 84.8450 | 84.9900 | 70.7310 | 70.9230 |
| U3-U4 | 58.9580 | 59.0670 | 101.9360 | 102.0720 |
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 | 59602.23744791 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD91881 |
| HIERARCH ESO INS SOBJ NAME | HD91881B |
| RA | 159.021188 |
| DEC | -26.6756 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 56.345 |
| HIERARCH ESO ISS PBL12 END | 56.352 |
| HIERARCH ESO ISS PBLA12 START | 15.7 |
| HIERARCH ESO ISS PBLA12 END | 15.9 |
| HIERARCH ESO ISS PBL13 START | 101.664 |
| HIERARCH ESO ISS PBL13 END | 101.69 |
| HIERARCH ESO ISS PBLA13 START | 21.7 |
| HIERARCH ESO ISS PBLA13 END | 21.9 |
| HIERARCH ESO ISS PBL14 START | 125.909 |
| HIERARCH ESO ISS PBL14 END | 126.045 |
| HIERARCH ESO ISS PBLA14 START | 49.216 |
| HIERARCH ESO ISS PBLA14 END | 49.428 |
| HIERARCH ESO ISS PBL23 START | 46.016 |
| HIERARCH ESO ISS PBL23 END | 46.037 |
| HIERARCH ESO ISS PBLA23 START | 29.1 |
| HIERARCH ESO ISS PBLA23 END | 29.3 |
| HIERARCH ESO ISS PBL24 START | 84.845 |
| HIERARCH ESO ISS PBL24 END | 84.99 |
| HIERARCH ESO ISS PBLA24 START | 70.731 |
| HIERARCH ESO ISS PBLA24 END | 70.923 |
| HIERARCH ESO ISS PBL34 START | 58.958 |
| HIERARCH ESO ISS PBL34 END | 59.067 |
| HIERARCH ESO ISS PBLA34 START | 101.936 |
| HIERARCH ESO ISS PBLA34 END | 102.072 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011667 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013846 |
| HIERARCH ESO ISS AMBI TEMP | 13.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | HD91881 |
| HIERARCH ESO FT ROBJ ALPHA | 103604.507 |
| HIERARCH ESO FT ROBJ DELTA | -264031.733 |