Exposure
ID
GRAVI.2020-12-25T03:43:42.789_1
Header ID
GRAVI.2020-12-25T03:43:42.789
Date updated
2020-12-25 03:56:07 UTC+0000
Release date
2021-12-25 03:56:07 UTC+0000
UTC Start
2020-12-25 03:43:42.789
UTC End
2020-12-25 03:47:42.789
MJD Start
59208.15535635
MJD End
59208.1581341278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003957
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.78
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 23.7040 23.6030 142.4000 142.8000
A0-D0 31.9950 32.0030 72.7000 72.8000
A0-J3 130.2530 130.5760 49.2270 49.4030
B2-D0 32.5520 32.6390 29.6000 29.9000
B2-J3 133.6840 134.0580 39.0280 39.2800
D0-J3 101.7090 101.9890 42.0260 42.2550
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 59208.15535635
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 23.704
HIERARCH ESO ISS PBL12 END 23.603
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 31.995
HIERARCH ESO ISS PBL13 END 32.003
HIERARCH ESO ISS PBLA13 START 72.7
HIERARCH ESO ISS PBLA13 END 72.8
HIERARCH ESO ISS PBL14 START 130.253
HIERARCH ESO ISS PBL14 END 130.576
HIERARCH ESO ISS PBLA14 START 49.227
HIERARCH ESO ISS PBLA14 END 49.403
HIERARCH ESO ISS PBL23 START 32.552
HIERARCH ESO ISS PBL23 END 32.639
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 133.684
HIERARCH ESO ISS PBL24 END 134.058
HIERARCH ESO ISS PBLA24 START 39.028
HIERARCH ESO ISS PBLA24 END 39.28
HIERARCH ESO ISS PBL34 START 101.709
HIERARCH ESO ISS PBL34 END 101.989
HIERARCH ESO ISS PBLA34 START 42.026
HIERARCH ESO ISS PBLA34 END 42.255
HIERARCH ESO ISS AMBI TAU0 START 0.003957
HIERARCH ESO ISS AMBI TAU0 END 0.003957
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78