Exposure
- ID
- GRAVI.2019-09-12T04:53:43.121_2
- Header ID
- GRAVI.2019-09-12T04:53:43.121
- Date updated
- 2019-09-24 07:26:01 UTC+0000
- Release date
- 2020-09-16 11:14:49 UTC+0000
- UTC Start
- 2019-09-12 04:53:43.121
- UTC End
- 2019-09-12 04:59:03.121
- MJD Start
- 58738.20397131
- MJD End
- 58738.2076750137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0019205
- Ambient temperature (°C)
- 8.09
- Seeing (arcsec)
- 1.54
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 | 45.5060 | 45.9660 | 36.6000 | 36.9000 |
| U1-U3 | 85.9110 | 86.7820 | 43.1000 | 43.2000 |
| U1-U4 | 125.8410 | 126.5220 | 66.7360 | 66.3560 |
| U2-U3 | 41.0200 | 41.4080 | 50.3000 | 50.3000 |
| U2-U4 | 89.4290 | 89.4020 | 81.5200 | 81.0030 |
| U3-U4 | 58.3400 | 57.8210 | 102.8710 | 102.4710 |
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 | 58738.20397131 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HR8799 |
| HIERARCH ESO INS SOBJ NAME | HR8799 |
| RA | 346.872145 |
| DEC | 21.13393 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 45.506 |
| HIERARCH ESO ISS PBL12 END | 45.966 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 85.911 |
| HIERARCH ESO ISS PBL13 END | 86.782 |
| HIERARCH ESO ISS PBLA13 START | 43.1 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 125.841 |
| HIERARCH ESO ISS PBL14 END | 126.522 |
| HIERARCH ESO ISS PBLA14 START | 66.736 |
| HIERARCH ESO ISS PBLA14 END | 66.356 |
| HIERARCH ESO ISS PBL23 START | 41.02 |
| HIERARCH ESO ISS PBL23 END | 41.408 |
| HIERARCH ESO ISS PBLA23 START | 50.3 |
| HIERARCH ESO ISS PBLA23 END | 50.3 |
| HIERARCH ESO ISS PBL24 START | 89.429 |
| HIERARCH ESO ISS PBL24 END | 89.402 |
| HIERARCH ESO ISS PBLA24 START | 81.52 |
| HIERARCH ESO ISS PBLA24 END | 81.003 |
| HIERARCH ESO ISS PBL34 START | 58.34 |
| HIERARCH ESO ISS PBL34 END | 57.821 |
| HIERARCH ESO ISS PBLA34 START | 102.871 |
| HIERARCH ESO ISS PBLA34 END | 102.471 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001884 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001957 |
| HIERARCH ESO ISS AMBI TEMP | 8.09 |
| HIERARCH ESO ISS AMBI FWHM START | 1.49 |
| HIERARCH ESO ISS AMBI FWHM END | 1.59 |
| HIERARCH ESO FT ROBJ NAME | HR8799 |
| HIERARCH ESO FT ROBJ ALPHA | 230728.715 |
| HIERARCH ESO FT ROBJ DELTA | +210803.302 |