Exposure
ID
GRAVI.2020-12-25T03:20:42.731_1
Header ID
GRAVI.2020-12-25T03:20:42.731
Date updated
2020-12-25 03:31:29 UTC+0000
Release date
2021-12-25 03:31:29 UTC+0000
UTC Start
2020-12-25 03:20:42.731
UTC End
2020-12-25 03:24:42.731
MJD Start
59208.13938346
MJD End
59208.1421612378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0042895
Ambient temperature (°C)
14.44
Seeing (arcsec)
0.845
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 24.2100 24.1210 140.6000 140.9000
A0-D0 31.7780 31.8400 72.3000 72.4000
A0-J3 128.0880 128.5430 48.0600 48.3010
B2-D0 32.0530 32.1490 27.7000 28.1000
B2-J3 131.3960 131.8530 37.4510 37.7690
D0-J3 99.9560 100.3110 40.5710 40.8660
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 59208.13938346
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 24.21
HIERARCH ESO ISS PBL12 END 24.121
HIERARCH ESO ISS PBLA12 START 140.6
HIERARCH ESO ISS PBLA12 END 140.9
HIERARCH ESO ISS PBL13 START 31.778
HIERARCH ESO ISS PBL13 END 31.84
HIERARCH ESO ISS PBLA13 START 72.3
HIERARCH ESO ISS PBLA13 END 72.4
HIERARCH ESO ISS PBL14 START 128.088
HIERARCH ESO ISS PBL14 END 128.543
HIERARCH ESO ISS PBLA14 START 48.06
HIERARCH ESO ISS PBLA14 END 48.301
HIERARCH ESO ISS PBL23 START 32.053
HIERARCH ESO ISS PBL23 END 32.149
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 28.1
HIERARCH ESO ISS PBL24 START 131.396
HIERARCH ESO ISS PBL24 END 131.853
HIERARCH ESO ISS PBLA24 START 37.451
HIERARCH ESO ISS PBLA24 END 37.769
HIERARCH ESO ISS PBL34 START 99.956
HIERARCH ESO ISS PBL34 END 100.311
HIERARCH ESO ISS PBLA34 START 40.571
HIERARCH ESO ISS PBLA34 END 40.866
HIERARCH ESO ISS AMBI TAU0 START 0.004147
HIERARCH ESO ISS AMBI TAU0 END 0.004432
HIERARCH ESO ISS AMBI TEMP 14.44
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.83