Exposure
ID
GRAVI.2020-12-25T03:25:15.742_1
Header ID
GRAVI.2020-12-25T03:25:15.742
Date updated
2020-12-25 03:35:54 UTC+0000
Release date
2021-12-25 03:35:54 UTC+0000
UTC Start
2020-12-25 03:25:15.742
UTC End
2020-12-25 03:29:15.742
MJD Start
59208.14254331
MJD End
59208.1453210878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0044665
Ambient temperature (°C)
14.47
Seeing (arcsec)
0.8
Observation
ID
46082
Category
science
Program ID
1103.C-0477(D)
Program Title
ARMADA: ARANGEMENT FOR MICRO-ARCSECOND DIFFERENTIAL ASTROMETRY TO DETECT GIANT PLANETS AROUND HOT STARS
Program Type
DDT
PI / COI
GARDNER/ MONNIER/ LE BOUQUIN/ KRAUS/ IRELAND/ WOILLEZ/ BERGER/ LAGRANGE/ SEGRANSAN/ KRATTER/ SAHLMANN/ ZHOU/ QUELOZ/ PHUHL/ MOUILLET/ LACOUR/ KERVELLA
Target
ID
34629
Name
HIP22812
RA
73.615556
DEC
-3.22593
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.1150 24.0250 140.9000 141.2000
A0-D0 31.8440 31.8950 72.4000 72.5000
A0-J3 128.5720 129.0000 48.3110 48.5450
B2-D0 32.1550 32.2490 28.1000 28.5000
B2-J3 131.8830 132.3230 37.7850 38.0950
D0-J3 100.3340 100.6730 40.8810 41.1680
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1103.C-0477(D)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59208.14254331
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD31297
HIERARCH ESO INS SOBJ NAME HIP22812
RA 73.615556
DEC -3.22593
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 24.115
HIERARCH ESO ISS PBL12 END 24.025
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 141.2
HIERARCH ESO ISS PBL13 START 31.844
HIERARCH ESO ISS PBL13 END 31.895
HIERARCH ESO ISS PBLA13 START 72.4
HIERARCH ESO ISS PBLA13 END 72.5
HIERARCH ESO ISS PBL14 START 128.572
HIERARCH ESO ISS PBL14 END 129.0
HIERARCH ESO ISS PBLA14 START 48.311
HIERARCH ESO ISS PBLA14 END 48.545
HIERARCH ESO ISS PBL23 START 32.155
HIERARCH ESO ISS PBL23 END 32.249
HIERARCH ESO ISS PBLA23 START 28.1
HIERARCH ESO ISS PBLA23 END 28.5
HIERARCH ESO ISS PBL24 START 131.883
HIERARCH ESO ISS PBL24 END 132.323
HIERARCH ESO ISS PBLA24 START 37.785
HIERARCH ESO ISS PBLA24 END 38.095
HIERARCH ESO ISS PBL34 START 100.334
HIERARCH ESO ISS PBL34 END 100.673
HIERARCH ESO ISS PBLA34 START 40.881
HIERARCH ESO ISS PBLA34 END 41.168
HIERARCH ESO ISS AMBI TAU0 START 0.004442
HIERARCH ESO ISS AMBI TAU0 END 0.004491
HIERARCH ESO ISS AMBI TEMP 14.47
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.77