Exposure
ID
PIONI.2025-11-01T06:46:35.202_1
Header ID
PIONI.2025-11-01T06:46:35.202
Date updated
2025-11-01 06:55:54 UTC+0000
Release date
2025-11-01 06:46:35 UTC+0000
UTC Start
2025-11-01 06:46:35.203
UTC End
2025-11-01 06:48:17.603
MJD Start
60980.2823518813
MJD End
60980.28353706649
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0096795
Ambient temperature (°C)
10.21
Seeing (arcsec)
0.36
Observation
ID
71048
Category
calibrator
Program ID
116.292S.002
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
52728
Name
HD_77402
RA
135.132699
DEC
-47.70113
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 56.7260 57.0770 64.9000 65.4000
A0-J2 100.7670 101.0350 36.8000 37.4000
A0-K0 117.8850 117.9770 19.2930 19.7640
G1-J2 57.2940 57.3030 9.1000 9.5000
G1-K0 88.0840 88.0990 351.8990 352.1730
J2-K0 37.4140 37.5110 324.9640 325.0970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.292S.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60980.2823518813
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_77402
RA 135.132699
DEC -47.70113
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 0.002
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 56.726
HIERARCH ESO ISS PBL12 END 57.077
HIERARCH ESO ISS PBLA12 START 64.9
HIERARCH ESO ISS PBLA12 END 65.4
HIERARCH ESO ISS PBL13 START 100.767
HIERARCH ESO ISS PBL13 END 101.035
HIERARCH ESO ISS PBLA13 START 36.8
HIERARCH ESO ISS PBLA13 END 37.4
HIERARCH ESO ISS PBL14 START 117.885
HIERARCH ESO ISS PBL14 END 117.977
HIERARCH ESO ISS PBLA14 START 19.293
HIERARCH ESO ISS PBLA14 END 19.764
HIERARCH ESO ISS PBL23 START 57.294
HIERARCH ESO ISS PBL23 END 57.303
HIERARCH ESO ISS PBLA23 START 9.1
HIERARCH ESO ISS PBLA23 END 9.5
HIERARCH ESO ISS PBL24 START 88.084
HIERARCH ESO ISS PBL24 END 88.099
HIERARCH ESO ISS PBLA24 START 351.899
HIERARCH ESO ISS PBLA24 END 352.173
HIERARCH ESO ISS PBL34 START 37.414
HIERARCH ESO ISS PBL34 END 37.511
HIERARCH ESO ISS PBLA34 START 324.964
HIERARCH ESO ISS PBLA34 END 325.097
HIERARCH ESO ISS AMBI TAU0 START 0.009798
HIERARCH ESO ISS AMBI TAU0 END 0.009561
HIERARCH ESO ISS AMBI TEMP 10.21
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36