Exposure
ID
PIONI.2025-11-01T06:50:23.508_1
Header ID
PIONI.2025-11-01T06:50:23.508
Date updated
2025-11-01 06:55:54 UTC+0000
Release date
2025-11-01 06:50:23 UTC+0000
UTC Start
2025-11-01 06:50:23.509
UTC End
2025-11-01 06:52:05.909
MJD Start
60980.2849943135
MJD End
60980.28617949869
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.007622499999999999
Ambient temperature (°C)
10.2
Seeing (arcsec)
0.4
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 57.4390 57.7890 65.9000 66.4000
A0-J2 101.3140 101.5850 38.0000 38.5000
A0-K0 118.0730 118.1670 20.2510 20.7200
G1-J2 57.3130 57.3230 9.9000 10.3000
G1-K0 88.1150 88.1290 352.4560 352.7300
J2-K0 37.6120 37.7080 325.2360 325.3720
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 60980.2849943135
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 57.439
HIERARCH ESO ISS PBL12 END 57.789
HIERARCH ESO ISS PBLA12 START 65.9
HIERARCH ESO ISS PBLA12 END 66.4
HIERARCH ESO ISS PBL13 START 101.314
HIERARCH ESO ISS PBL13 END 101.585
HIERARCH ESO ISS PBLA13 START 38.0
HIERARCH ESO ISS PBLA13 END 38.5
HIERARCH ESO ISS PBL14 START 118.073
HIERARCH ESO ISS PBL14 END 118.167
HIERARCH ESO ISS PBLA14 START 20.251
HIERARCH ESO ISS PBLA14 END 20.72
HIERARCH ESO ISS PBL23 START 57.313
HIERARCH ESO ISS PBL23 END 57.323
HIERARCH ESO ISS PBLA23 START 9.9
HIERARCH ESO ISS PBLA23 END 10.3
HIERARCH ESO ISS PBL24 START 88.115
HIERARCH ESO ISS PBL24 END 88.129
HIERARCH ESO ISS PBLA24 START 352.456
HIERARCH ESO ISS PBLA24 END 352.73
HIERARCH ESO ISS PBL34 START 37.612
HIERARCH ESO ISS PBL34 END 37.708
HIERARCH ESO ISS PBLA34 START 325.236
HIERARCH ESO ISS PBLA34 END 325.372
HIERARCH ESO ISS AMBI TAU0 START 0.009052
HIERARCH ESO ISS AMBI TAU0 END 0.006193
HIERARCH ESO ISS AMBI TEMP 10.2
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.42