Exposure
ID
GRAVI.2020-12-25T03:57:33.824_1
Header ID
GRAVI.2020-12-25T03:57:33.824
Date updated
2020-12-25 04:11:35 UTC+0000
Release date
2021-12-25 04:11:35 UTC+0000
UTC Start
2020-12-25 03:57:33.824
UTC End
2020-12-25 04:01:33.824
MJD Start
59208.16497481
MJD End
59208.1677525878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0043025
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.87
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 23.3670 23.2590 143.7000 144.1000
A0-D0 31.9850 31.9600 72.9000 72.9000
A0-J3 131.2120 131.4530 49.7750 49.9240
B2-D0 32.8280 32.9090 30.6000 30.9000
B2-J3 134.8410 135.1610 39.8180 40.0400
D0-J3 102.5660 102.7980 42.7430 42.9430
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 59208.16497481
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 23.367
HIERARCH ESO ISS PBL12 END 23.259
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 144.1
HIERARCH ESO ISS PBL13 START 31.985
HIERARCH ESO ISS PBL13 END 31.96
HIERARCH ESO ISS PBLA13 START 72.9
HIERARCH ESO ISS PBLA13 END 72.9
HIERARCH ESO ISS PBL14 START 131.212
HIERARCH ESO ISS PBL14 END 131.453
HIERARCH ESO ISS PBLA14 START 49.775
HIERARCH ESO ISS PBLA14 END 49.924
HIERARCH ESO ISS PBL23 START 32.828
HIERARCH ESO ISS PBL23 END 32.909
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 30.9
HIERARCH ESO ISS PBL24 START 134.841
HIERARCH ESO ISS PBL24 END 135.161
HIERARCH ESO ISS PBLA24 START 39.818
HIERARCH ESO ISS PBLA24 END 40.04
HIERARCH ESO ISS PBL34 START 102.566
HIERARCH ESO ISS PBL34 END 102.798
HIERARCH ESO ISS PBLA34 START 42.743
HIERARCH ESO ISS PBLA34 END 42.943
HIERARCH ESO ISS AMBI TAU0 START 0.00388
HIERARCH ESO ISS AMBI TAU0 END 0.004725
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.78