Exposure
ID
PIONI.2025-10-29T07:35:37.782_1
Header ID
PIONI.2025-10-29T07:35:37.782
Date updated
2025-10-29 07:40:48 UTC+0000
Release date
2025-10-29 07:35:37 UTC+0000
UTC Start
2025-10-29 07:35:37.781
UTC End
2025-10-29 07:37:20.181
MJD Start
60977.3164095064
MJD End
60977.31759469159
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.007872500000000001
Ambient temperature (°C)
13.04
Seeing (arcsec)
0.45999999999999996
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 63.6430 63.9850 74.3000 74.7000
A0-J2 106.4200 106.7180 47.2000 47.7000
A0-K0 119.9760 120.0940 28.4870 28.9390
G1-J2 57.5340 57.5480 17.1000 17.5000
G1-K0 88.2910 88.2960 357.3850 357.6630
J2-K0 39.2290 39.3130 327.8050 327.9580
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 60977.3164095064
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 63.643
HIERARCH ESO ISS PBL12 END 63.985
HIERARCH ESO ISS PBLA12 START 74.3
HIERARCH ESO ISS PBLA12 END 74.7
HIERARCH ESO ISS PBL13 START 106.42
HIERARCH ESO ISS PBL13 END 106.718
HIERARCH ESO ISS PBLA13 START 47.2
HIERARCH ESO ISS PBLA13 END 47.7
HIERARCH ESO ISS PBL14 START 119.976
HIERARCH ESO ISS PBL14 END 120.094
HIERARCH ESO ISS PBLA14 START 28.487
HIERARCH ESO ISS PBLA14 END 28.939
HIERARCH ESO ISS PBL23 START 57.534
HIERARCH ESO ISS PBL23 END 57.548
HIERARCH ESO ISS PBLA23 START 17.1
HIERARCH ESO ISS PBLA23 END 17.5
HIERARCH ESO ISS PBL24 START 88.291
HIERARCH ESO ISS PBL24 END 88.296
HIERARCH ESO ISS PBLA24 START 357.385
HIERARCH ESO ISS PBLA24 END 357.663
HIERARCH ESO ISS PBL34 START 39.229
HIERARCH ESO ISS PBL34 END 39.313
HIERARCH ESO ISS PBLA34 START 327.805
HIERARCH ESO ISS PBLA34 END 327.958
HIERARCH ESO ISS AMBI TAU0 START 0.006751
HIERARCH ESO ISS AMBI TAU0 END 0.008994
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.45