Exposure
ID
PIONI.2025-11-02T06:57:22.931_1
Header ID
PIONI.2025-11-02T06:57:22.931
Date updated
2025-11-02 07:06:16 UTC+0000
Release date
2025-11-02 06:57:22 UTC+0000
UTC Start
2025-11-02 06:57:22.931
UTC End
2025-11-02 06:59:05.331
MJD Start
60981.289848743
MJD End
60981.29103392819
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.006362
Ambient temperature (°C)
10.85
Seeing (arcsec)
0.5549999999999999
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 59.4840 59.8360 68.8000 69.3000
A0-J2 102.9290 103.2140 41.1000 41.6000
A0-K0 118.6470 118.7520 22.9810 23.4500
G1-J2 57.3750 57.3870 12.3000 12.7000
G1-K0 88.1920 88.2030 354.0610 354.3400
J2-K0 38.1640 38.2570 326.0420 326.1860
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 60981.289848743
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 59.484
HIERARCH ESO ISS PBL12 END 59.836
HIERARCH ESO ISS PBLA12 START 68.8
HIERARCH ESO ISS PBLA12 END 69.3
HIERARCH ESO ISS PBL13 START 102.929
HIERARCH ESO ISS PBL13 END 103.214
HIERARCH ESO ISS PBLA13 START 41.1
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 118.647
HIERARCH ESO ISS PBL14 END 118.752
HIERARCH ESO ISS PBLA14 START 22.981
HIERARCH ESO ISS PBLA14 END 23.45
HIERARCH ESO ISS PBL23 START 57.375
HIERARCH ESO ISS PBL23 END 57.387
HIERARCH ESO ISS PBLA23 START 12.3
HIERARCH ESO ISS PBLA23 END 12.7
HIERARCH ESO ISS PBL24 START 88.192
HIERARCH ESO ISS PBL24 END 88.203
HIERARCH ESO ISS PBLA24 START 354.061
HIERARCH ESO ISS PBLA24 END 354.34
HIERARCH ESO ISS PBL34 START 38.164
HIERARCH ESO ISS PBL34 END 38.257
HIERARCH ESO ISS PBLA34 START 326.042
HIERARCH ESO ISS PBLA34 END 326.186
HIERARCH ESO ISS AMBI TAU0 START 0.006687
HIERARCH ESO ISS AMBI TAU0 END 0.006037
HIERARCH ESO ISS AMBI TEMP 10.85
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57