Exposure
- ID
- GRAVI.2019-09-13T03:01:04.371_2
- Header ID
- GRAVI.2019-09-13T03:01:04.371
- Date updated
- 2019-09-24 07:26:01 UTC+0000
- Release date
- 2020-09-16 11:14:49 UTC+0000
- UTC Start
- 2019-09-13 03:01:04.371
- UTC End
- 2019-09-13 03:01:23.571
- MJD Start
- 58739.12574504
- MJD End
- 58739.1259672622
- Exposure time (s)
- 19.2
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001683
- Ambient temperature (°C)
- 10.33
- Seeing (arcsec)
- 1.955
Observation
- ID
- 43419
- Category
- science
- Program ID
- 0103.C-0649(A)
- Program Title
- GRAVITY TO INVESTIGATE THE NATURE OF THREE EXOPLANETS: $BETA$ PIC B, HR 8799 E, AND PDS 70 B
- Program Type
- GTO
- PI / COI
- LACOUR/ NOWAK/ WANG/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ PERRIN/ KERVELLA/ EISENHAUER/ PAUMARD/ PFUHL/ PERRAUT/ HENNING/ GARCIA LOPEZ/ VIGAN/ ...
Target
- ID
- 32940
- Name
- HR8799
- RA
- 346.869645833333
- DEC
- 21.1342505555556
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 | 36.3820 | 36.4420 | 25.8000 | 26.0000 |
| U1-U3 | 66.6170 | 66.7580 | 35.6000 | 35.7000 |
| U1-U4 | 101.6250 | 101.8670 | 72.1920 | 72.1660 |
| U2-U3 | 31.3770 | 31.4550 | 47.0000 | 47.0000 |
| U2-U4 | 80.9060 | 81.0250 | 91.1790 | 91.1080 |
| U3-U4 | 62.3680 | 62.3780 | 111.7070 | 111.6340 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 0103.C-0649(A) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 58739.12574504 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799 |
| RA | 346.872309 |
| DEC | 21.13404 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 50.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 36.382 |
| HIERARCH ESO ISS PBL12 END | 36.442 |
| HIERARCH ESO ISS PBLA12 START | 25.8 |
| HIERARCH ESO ISS PBLA12 END | 26.0 |
| HIERARCH ESO ISS PBL13 START | 66.617 |
| HIERARCH ESO ISS PBL13 END | 66.758 |
| HIERARCH ESO ISS PBLA13 START | 35.6 |
| HIERARCH ESO ISS PBLA13 END | 35.7 |
| HIERARCH ESO ISS PBL14 START | 101.625 |
| HIERARCH ESO ISS PBL14 END | 101.867 |
| HIERARCH ESO ISS PBLA14 START | 72.192 |
| HIERARCH ESO ISS PBLA14 END | 72.166 |
| HIERARCH ESO ISS PBL23 START | 31.377 |
| HIERARCH ESO ISS PBL23 END | 31.455 |
| HIERARCH ESO ISS PBLA23 START | 47.0 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 80.906 |
| HIERARCH ESO ISS PBL24 END | 81.025 |
| HIERARCH ESO ISS PBLA24 START | 91.179 |
| HIERARCH ESO ISS PBLA24 END | 91.108 |
| HIERARCH ESO ISS PBL34 START | 62.368 |
| HIERARCH ESO ISS PBL34 END | 62.378 |
| HIERARCH ESO ISS PBLA34 START | 111.707 |
| HIERARCH ESO ISS PBLA34 END | 111.634 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001683 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001683 |
| HIERARCH ESO ISS AMBI TEMP | 10.33 |
| HIERARCH ESO ISS AMBI FWHM START | 1.89 |
| HIERARCH ESO ISS AMBI FWHM END | 2.02 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | +210803.302 |