Exposure
ID
GRAVI.2022-08-06T03:19:40.117_1
Header ID
GRAVI.2022-08-06T03:19:40.117
Date updated
2022-08-06 03:31:03 UTC+0000
Release date
2023-08-06 03:31:02 UTC+0000
UTC Start
2022-08-06 03:19:40.117
UTC End
2022-08-06 03:23:40.117
MJD Start
59797.13865876
MJD End
59797.1414365378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0018585
Ambient temperature (°C)
8.71
Seeing (arcsec)
0.86
Observation
ID
51793
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
38566
Name
HIP87761
RA
268.905212
DEC
2.07494
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.0400 74.1950 117.2000 117.5000
A0-J2 115.9550 114.8760 91.8000 91.8000
A0-J3 132.3980 132.3490 50.7650 50.7070
G1-J2 57.8690 57.7600 58.1000 58.0000
G1-J3 123.3420 123.6030 16.8690 17.2230
J2-J3 88.4920 88.3440 351.3200 351.9320
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 59797.13865876
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD163346
HIERARCH ESO INS SOBJ NAME HIP87761
RA 268.905212
DEC 2.07494
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 G1
HIERARCH ESO ISS CONF STATION3 J2
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 75.04
HIERARCH ESO ISS PBL12 END 74.195
HIERARCH ESO ISS PBLA12 START 117.2
HIERARCH ESO ISS PBLA12 END 117.5
HIERARCH ESO ISS PBL13 START 115.955
HIERARCH ESO ISS PBL13 END 114.876
HIERARCH ESO ISS PBLA13 START 91.8
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 132.398
HIERARCH ESO ISS PBL14 END 132.349
HIERARCH ESO ISS PBLA14 START 50.765
HIERARCH ESO ISS PBLA14 END 50.707
HIERARCH ESO ISS PBL23 START 57.869
HIERARCH ESO ISS PBL23 END 57.76
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.0
HIERARCH ESO ISS PBL24 START 123.342
HIERARCH ESO ISS PBL24 END 123.603
HIERARCH ESO ISS PBLA24 START 16.869
HIERARCH ESO ISS PBLA24 END 17.223
HIERARCH ESO ISS PBL34 START 88.492
HIERARCH ESO ISS PBL34 END 88.344
HIERARCH ESO ISS PBLA34 START 351.32
HIERARCH ESO ISS PBLA34 END 351.932
HIERARCH ESO ISS AMBI TAU0 START 0.001621
HIERARCH ESO ISS AMBI TAU0 END 0.002096
HIERARCH ESO ISS AMBI TEMP 8.71
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.76