Exposure
- ID
- GRAVI.2022-09-18T06:41:46.753_2
- Header ID
- GRAVI.2022-09-18T06:41:46.753
- Date updated
- 2022-09-18 06:51:28 UTC+0000
- Release date
- 2023-09-18 06:51:28 UTC+0000
- UTC Start
- 2022-09-18 06:41:46.753
- UTC End
- 2022-09-18 06:42:50.753
- MJD Start
- 59840.27901335
- MJD End
- 59840.2797540907
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001464
- Ambient temperature (°C)
- 4.72
- Seeing (arcsec)
- 2.05
Observation
- ID
- 52370
- Category
- science
- Program ID
- 1104.C-0651(F)
- 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
- 38951
- Name
- HR8799
- RA
- 346.869645833333
- DEC
- 21.1342527777778
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 | 53.9520 | 54.0100 | 37.2000 | 37.2000 |
| U1-U3 | 100.1850 | 100.2640 | 40.6000 | 40.5000 |
| U1-U4 | 127.2540 | 127.1240 | 54.7580 | 54.5890 |
| U2-U3 | 46.4360 | 46.4530 | 44.5000 | 44.4000 |
| U2-U4 | 77.5350 | 77.3000 | 66.8680 | 66.6670 |
| U3-U4 | 38.8340 | 38.5550 | 93.9140 | 93.8150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 1104.C-0651(F) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59840.27901335 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | hr8799e |
| RA | 346.872339 |
| DEC | 21.13382 |
| 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 | 53.952 |
| HIERARCH ESO ISS PBL12 END | 54.01 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.2 |
| HIERARCH ESO ISS PBL13 START | 100.185 |
| HIERARCH ESO ISS PBL13 END | 100.264 |
| HIERARCH ESO ISS PBLA13 START | 40.6 |
| HIERARCH ESO ISS PBLA13 END | 40.5 |
| HIERARCH ESO ISS PBL14 START | 127.254 |
| HIERARCH ESO ISS PBL14 END | 127.124 |
| HIERARCH ESO ISS PBLA14 START | 54.758 |
| HIERARCH ESO ISS PBLA14 END | 54.589 |
| HIERARCH ESO ISS PBL23 START | 46.436 |
| HIERARCH ESO ISS PBL23 END | 46.453 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 44.4 |
| HIERARCH ESO ISS PBL24 START | 77.535 |
| HIERARCH ESO ISS PBL24 END | 77.3 |
| HIERARCH ESO ISS PBLA24 START | 66.868 |
| HIERARCH ESO ISS PBLA24 END | 66.667 |
| HIERARCH ESO ISS PBL34 START | 38.834 |
| HIERARCH ESO ISS PBL34 END | 38.555 |
| HIERARCH ESO ISS PBLA34 START | 93.914 |
| HIERARCH ESO ISS PBLA34 END | 93.815 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001283 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001645 |
| HIERARCH ESO ISS AMBI TEMP | 4.72 |
| HIERARCH ESO ISS AMBI FWHM START | 2.34 |
| HIERARCH ESO ISS AMBI FWHM END | 1.76 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | 210803.310 |