Exposure
ID
GRAVI.2021-10-04T23:51:38.268_1
Header ID
GRAVI.2021-10-04T23:51:38.268
Date updated
2021-10-05 00:10:02 UTC+0000
Release date
2022-10-05 00:10:02 UTC+0000
UTC Start
2021-10-04 23:51:38.268
UTC End
2021-10-04 23:55:38.268
MJD Start
59491.99419292
MJD End
59491.9969706978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0062675
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.67
Observation
ID
48430
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
36311
Name
HIP87761
RA
268.904096
DEC
2.07494
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 68.9570 67.9990 119.5000 120.0000
A0-J2 107.8380 106.4910 91.7000 91.7000
A0-K0 118.4510 117.5820 70.4740 70.2850
G1-J2 56.8470 56.6420 57.2000 57.1000
G1-K0 89.9070 90.0110 35.0590 35.1150
J2-K0 42.9930 43.0330 5.1290 5.6520
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 59491.99419292
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD163346
HIERARCH ESO INS SOBJ NAME HIP87761
RA 268.904096
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 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 68.957
HIERARCH ESO ISS PBL12 END 67.999
HIERARCH ESO ISS PBLA12 START 119.5
HIERARCH ESO ISS PBLA12 END 120.0
HIERARCH ESO ISS PBL13 START 107.838
HIERARCH ESO ISS PBL13 END 106.491
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 118.451
HIERARCH ESO ISS PBL14 END 117.582
HIERARCH ESO ISS PBLA14 START 70.474
HIERARCH ESO ISS PBLA14 END 70.285
HIERARCH ESO ISS PBL23 START 56.847
HIERARCH ESO ISS PBL23 END 56.642
HIERARCH ESO ISS PBLA23 START 57.2
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 89.907
HIERARCH ESO ISS PBL24 END 90.011
HIERARCH ESO ISS PBLA24 START 35.059
HIERARCH ESO ISS PBLA24 END 35.115
HIERARCH ESO ISS PBL34 START 42.993
HIERARCH ESO ISS PBL34 END 43.033
HIERARCH ESO ISS PBLA34 START 5.129
HIERARCH ESO ISS PBLA34 END 5.652
HIERARCH ESO ISS AMBI TAU0 START 0.006312
HIERARCH ESO ISS AMBI TAU0 END 0.006223
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.61