Exposure
ID
GRAVI.2021-09-20T04:50:48.116_1
Header ID
GRAVI.2021-09-20T04:50:48.116
Date updated
2021-09-20 05:06:23 UTC+0000
Release date
2022-09-20 05:06:22 UTC+0000
UTC Start
2021-09-20 04:50:48.116
UTC End
2021-09-20 04:54:48.116
MJD Start
59477.20194579
MJD End
59477.2047235678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003356
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.53
Observation
ID
48234
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
36191
Name
HIP4176
RA
13.330987
DEC
4.08607
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.0450 67.2800 272.3000 272.2000
K0-D0 89.9070 90.4890 253.2000 253.2000
K0-J3 53.4600 53.2690 326.4310 326.6680
G2-D0 34.4450 34.6530 213.6000 214.1000
G2-J3 56.1490 56.5380 41.8090 42.1740
D0-J3 90.3760 90.9760 38.7020 39.0980
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 59477.20194579
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD5143
HIERARCH ESO INS SOBJ NAME HIP4176
RA 13.330987
DEC 4.08607
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
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 67.045
HIERARCH ESO ISS PBL12 END 67.28
HIERARCH ESO ISS PBLA12 START 272.3
HIERARCH ESO ISS PBLA12 END 272.2
HIERARCH ESO ISS PBL13 START 89.907
HIERARCH ESO ISS PBL13 END 90.489
HIERARCH ESO ISS PBLA13 START 253.2
HIERARCH ESO ISS PBLA13 END 253.2
HIERARCH ESO ISS PBL14 START 53.46
HIERARCH ESO ISS PBL14 END 53.269
HIERARCH ESO ISS PBLA14 START 326.431
HIERARCH ESO ISS PBLA14 END 326.668
HIERARCH ESO ISS PBL23 START 34.445
HIERARCH ESO ISS PBL23 END 34.653
HIERARCH ESO ISS PBLA23 START 213.6
HIERARCH ESO ISS PBLA23 END 214.1
HIERARCH ESO ISS PBL24 START 56.149
HIERARCH ESO ISS PBL24 END 56.538
HIERARCH ESO ISS PBLA24 START 41.809
HIERARCH ESO ISS PBLA24 END 42.174
HIERARCH ESO ISS PBL34 START 90.376
HIERARCH ESO ISS PBL34 END 90.976
HIERARCH ESO ISS PBLA34 START 38.702
HIERARCH ESO ISS PBLA34 END 39.098
HIERARCH ESO ISS AMBI TAU0 START 0.003108
HIERARCH ESO ISS AMBI TAU0 END 0.003604
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.49