Exposure
ID
GRAVI.2021-09-04T01:52:15.972_1
Header ID
GRAVI.2021-09-04T01:52:15.972
Date updated
2021-09-04 02:06:28 UTC+0000
Release date
2022-09-04 02:06:28 UTC+0000
UTC Start
2021-09-04 01:52:15.972
UTC End
2021-09-04 01:56:15.972
MJD Start
59461.07796264
MJD End
59461.0807404178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005366
Ambient temperature (°C)
13.19
Seeing (arcsec)
0.49
Observation
ID
48105
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
36094
Name
HIP83845
RA
257.021803
DEC
-41.61493
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 86.4070 86.2010 146.7000 147.6000
A0-J2 112.1630 111.4330 125.3000 126.3000
A0-J3 102.3730 101.2750 68.6920 69.1650
G1-J2 44.7480 44.2330 80.4000 81.1000
G1-J3 119.4830 119.1610 23.6640 24.0250
J2-J3 102.0840 102.0720 2.1480 2.7050
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 59461.07796264
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD154569
HIERARCH ESO INS SOBJ NAME HIP83845
RA 257.021803
DEC -41.61493
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 86.407
HIERARCH ESO ISS PBL12 END 86.201
HIERARCH ESO ISS PBLA12 START 146.7
HIERARCH ESO ISS PBLA12 END 147.6
HIERARCH ESO ISS PBL13 START 112.163
HIERARCH ESO ISS PBL13 END 111.433
HIERARCH ESO ISS PBLA13 START 125.3
HIERARCH ESO ISS PBLA13 END 126.3
HIERARCH ESO ISS PBL14 START 102.373
HIERARCH ESO ISS PBL14 END 101.275
HIERARCH ESO ISS PBLA14 START 68.692
HIERARCH ESO ISS PBLA14 END 69.165
HIERARCH ESO ISS PBL23 START 44.748
HIERARCH ESO ISS PBL23 END 44.233
HIERARCH ESO ISS PBLA23 START 80.4
HIERARCH ESO ISS PBLA23 END 81.1
HIERARCH ESO ISS PBL24 START 119.483
HIERARCH ESO ISS PBL24 END 119.161
HIERARCH ESO ISS PBLA24 START 23.664
HIERARCH ESO ISS PBLA24 END 24.025
HIERARCH ESO ISS PBL34 START 102.084
HIERARCH ESO ISS PBL34 END 102.072
HIERARCH ESO ISS PBLA34 START 2.148
HIERARCH ESO ISS PBLA34 END 2.705
HIERARCH ESO ISS AMBI TAU0 START 0.003853
HIERARCH ESO ISS AMBI TAU0 END 0.006879
HIERARCH ESO ISS AMBI TEMP 13.19
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.4