Exposure
ID
GRAVI.2023-09-08T01:57:40.483_1
Header ID
GRAVI.2023-09-08T01:57:40.483
Date updated
2023-09-08 02:11:08 UTC+0000
Release date
2024-09-08 02:11:08 UTC+0000
UTC Start
2023-09-08 01:57:40.483
UTC End
2023-09-08 02:01:40.483
MJD Start
60195.08171855
MJD End
60195.08449632778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0025525
Ambient temperature (°C)
13.07
Seeing (arcsec)
0.75
Observation
ID
56904
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
42177
Name
HIP85521
RA
262.159155
DEC
-25.51084
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 78.1270 77.6590 142.3000 143.2000
A0-J2 102.1120 100.9070 115.7000 116.5000
A0-K0 99.9700 98.6170 87.8470 88.2790
G1-J2 47.6120 47.0830 68.3000 68.6000
G1-K0 83.7660 83.4030 38.4820 38.6280
J2-K0 48.6440 48.6420 9.3120 9.7550
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 60195.08171855
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD158140
HIERARCH ESO INS SOBJ NAME HIP85521
RA 262.159155
DEC -25.51084
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 78.127
HIERARCH ESO ISS PBL12 END 77.659
HIERARCH ESO ISS PBLA12 START 142.3
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 102.112
HIERARCH ESO ISS PBL13 END 100.907
HIERARCH ESO ISS PBLA13 START 115.7
HIERARCH ESO ISS PBLA13 END 116.5
HIERARCH ESO ISS PBL14 START 99.97
HIERARCH ESO ISS PBL14 END 98.617
HIERARCH ESO ISS PBLA14 START 87.847
HIERARCH ESO ISS PBLA14 END 88.279
HIERARCH ESO ISS PBL23 START 47.612
HIERARCH ESO ISS PBL23 END 47.083
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 68.6
HIERARCH ESO ISS PBL24 START 83.766
HIERARCH ESO ISS PBL24 END 83.403
HIERARCH ESO ISS PBLA24 START 38.482
HIERARCH ESO ISS PBLA24 END 38.628
HIERARCH ESO ISS PBL34 START 48.644
HIERARCH ESO ISS PBL34 END 48.642
HIERARCH ESO ISS PBLA34 START 9.312
HIERARCH ESO ISS PBLA34 END 9.755
HIERARCH ESO ISS AMBI TAU0 START 0.002553
HIERARCH ESO ISS AMBI TAU0 END 0.002552
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.76