Exposure
ID
PIONI.2025-10-29T07:31:49.168_1
Header ID
PIONI.2025-10-29T07:31:49.168
Date updated
2025-10-29 07:40:48 UTC+0000
Release date
2025-10-29 07:31:49 UTC+0000
UTC Start
2025-10-29 07:31:49.169
UTC End
2025-10-29 07:33:31.569
MJD Start
60977.3137635244
MJD End
60977.31494870959
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.005897
Ambient temperature (°C)
13.08
Seeing (arcsec)
0.47
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 62.9460 63.2910 73.4000 73.8000
A0-J2 105.8180 106.1150 46.2000 46.7000
A0-K0 119.7400 119.8560 27.5660 28.0210
G1-J2 57.5040 57.5190 16.2000 16.6000
G1-K0 88.2800 88.2860 356.8200 357.0990
J2-K0 39.0550 39.1410 327.4970 327.6480
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 60977.3137635244
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 62.946
HIERARCH ESO ISS PBL12 END 63.291
HIERARCH ESO ISS PBLA12 START 73.4
HIERARCH ESO ISS PBLA12 END 73.8
HIERARCH ESO ISS PBL13 START 105.818
HIERARCH ESO ISS PBL13 END 106.115
HIERARCH ESO ISS PBLA13 START 46.2
HIERARCH ESO ISS PBLA13 END 46.7
HIERARCH ESO ISS PBL14 START 119.74
HIERARCH ESO ISS PBL14 END 119.856
HIERARCH ESO ISS PBLA14 START 27.566
HIERARCH ESO ISS PBLA14 END 28.021
HIERARCH ESO ISS PBL23 START 57.504
HIERARCH ESO ISS PBL23 END 57.519
HIERARCH ESO ISS PBLA23 START 16.2
HIERARCH ESO ISS PBLA23 END 16.6
HIERARCH ESO ISS PBL24 START 88.28
HIERARCH ESO ISS PBL24 END 88.286
HIERARCH ESO ISS PBLA24 START 356.82
HIERARCH ESO ISS PBLA24 END 357.099
HIERARCH ESO ISS PBL34 START 39.055
HIERARCH ESO ISS PBL34 END 39.141
HIERARCH ESO ISS PBLA34 START 327.497
HIERARCH ESO ISS PBLA34 END 327.648
HIERARCH ESO ISS AMBI TAU0 START 0.005897
HIERARCH ESO ISS AMBI TAU0 END 0.005897
HIERARCH ESO ISS AMBI TEMP 13.08
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47