Exposure
ID
PIONI.2025-10-09T01:32:34.120_1
Header ID
PIONI.2025-10-09T01:32:34.120
Date updated
2025-10-09 01:40:56 UTC+0000
Release date
2025-10-09 01:32:34 UTC+0000
UTC Start
2025-10-09 01:32:34.120
UTC End
2025-10-09 01:33:12.520
MJD Start
60957.0642838012
MJD End
60957.06472824564
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.004369
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.68
Observation
ID
70865
Category
calibrator
Program ID
116.292S.001
Program Title
CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / LE BOUQUIN / FROST / BORDIER
Target
ID
52577
Name
HD 184983
RA
294.191275
DEC
6.42171
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 62.9590 62.7540 117.4000 117.4000
A0-J2 102.7060 102.4270 88.3000 88.3000
A0-K0 116.5980 116.4240 67.8020 67.7470
G1-J2 56.6610 56.6220 55.6000 55.5000
G1-K0 89.6500 89.6750 35.4830 35.4850
J2-K0 41.3210 41.3330 7.3550 7.4600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60957.0642838012
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 184983
RA 294.191275
DEC 6.42171
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
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
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 62.959
HIERARCH ESO ISS PBL12 END 62.754
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 117.4
HIERARCH ESO ISS PBL13 START 102.706
HIERARCH ESO ISS PBL13 END 102.427
HIERARCH ESO ISS PBLA13 START 88.3
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 116.598
HIERARCH ESO ISS PBL14 END 116.424
HIERARCH ESO ISS PBLA14 START 67.802
HIERARCH ESO ISS PBLA14 END 67.747
HIERARCH ESO ISS PBL23 START 56.661
HIERARCH ESO ISS PBL23 END 56.622
HIERARCH ESO ISS PBLA23 START 55.6
HIERARCH ESO ISS PBLA23 END 55.5
HIERARCH ESO ISS PBL24 START 89.65
HIERARCH ESO ISS PBL24 END 89.675
HIERARCH ESO ISS PBLA24 START 35.483
HIERARCH ESO ISS PBLA24 END 35.485
HIERARCH ESO ISS PBL34 START 41.321
HIERARCH ESO ISS PBL34 END 41.333
HIERARCH ESO ISS PBLA34 START 7.355
HIERARCH ESO ISS PBLA34 END 7.46
HIERARCH ESO ISS AMBI TAU0 START 0.004369
HIERARCH ESO ISS AMBI TAU0 END 0.004369
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.68