Exposure
ID
PIONI.2025-11-01T06:42:46.998_1
Header ID
PIONI.2025-11-01T06:42:46.998
Date updated
2025-11-01 06:50:55 UTC+0000
Release date
2025-11-01 06:42:46 UTC+0000
UTC Start
2025-11-01 06:42:46.998
UTC End
2025-11-01 06:44:29.398
MJD Start
60980.2797106202
MJD End
60980.28089580539
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.009433500000000001
Ambient temperature (°C)
10.32
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 56.0110 56.3640 63.8000 64.4000
A0-J2 100.2280 100.4930 35.7000 36.3000
A0-K0 117.7050 117.7930 18.3270 18.8030
G1-J2 57.2760 57.2850 8.3000 8.7000
G1-K0 88.0500 88.0670 351.3420 351.6160
J2-K0 37.2120 37.3120 324.6970 324.8270
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 60980.2797106202
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 56.011
HIERARCH ESO ISS PBL12 END 56.364
HIERARCH ESO ISS PBLA12 START 63.8
HIERARCH ESO ISS PBLA12 END 64.4
HIERARCH ESO ISS PBL13 START 100.228
HIERARCH ESO ISS PBL13 END 100.493
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 36.3
HIERARCH ESO ISS PBL14 START 117.705
HIERARCH ESO ISS PBL14 END 117.793
HIERARCH ESO ISS PBLA14 START 18.327
HIERARCH ESO ISS PBLA14 END 18.803
HIERARCH ESO ISS PBL23 START 57.276
HIERARCH ESO ISS PBL23 END 57.285
HIERARCH ESO ISS PBLA23 START 8.3
HIERARCH ESO ISS PBLA23 END 8.7
HIERARCH ESO ISS PBL24 START 88.05
HIERARCH ESO ISS PBL24 END 88.067
HIERARCH ESO ISS PBLA24 START 351.342
HIERARCH ESO ISS PBLA24 END 351.616
HIERARCH ESO ISS PBL34 START 37.212
HIERARCH ESO ISS PBL34 END 37.312
HIERARCH ESO ISS PBLA34 START 324.697
HIERARCH ESO ISS PBLA34 END 324.827
HIERARCH ESO ISS AMBI TAU0 START 0.008576
HIERARCH ESO ISS AMBI TAU0 END 0.010291
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 0.33
HIERARCH ESO ISS AMBI FWHM END 0.39