Exposure
ID
PIONI.2025-10-30T06:45:30.204_1
Header ID
PIONI.2025-10-30T06:45:30.204
Date updated
2025-10-30 06:51:18 UTC+0000
Release date
2025-10-30 06:45:30 UTC+0000
UTC Start
2025-10-30 06:45:30.204
UTC End
2025-10-30 06:47:12.604
MJD Start
60978.2815995817
MJD End
60978.28278476689
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.008105000000000001
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.37
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 55.0490 55.4010 62.4000 62.9000
A0-J2 99.5190 99.7770 34.2000 34.8000
A0-K0 117.4730 117.5560 17.0190 17.5000
G1-J2 57.2550 57.2620 7.2000 7.6000
G1-K0 88.0000 88.0190 350.5910 350.8660
J2-K0 36.9360 37.0380 324.3410 324.4700
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 60978.2815995817
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 55.049
HIERARCH ESO ISS PBL12 END 55.401
HIERARCH ESO ISS PBLA12 START 62.4
HIERARCH ESO ISS PBLA12 END 62.9
HIERARCH ESO ISS PBL13 START 99.519
HIERARCH ESO ISS PBL13 END 99.777
HIERARCH ESO ISS PBLA13 START 34.2
HIERARCH ESO ISS PBLA13 END 34.8
HIERARCH ESO ISS PBL14 START 117.473
HIERARCH ESO ISS PBL14 END 117.556
HIERARCH ESO ISS PBLA14 START 17.019
HIERARCH ESO ISS PBLA14 END 17.5
HIERARCH ESO ISS PBL23 START 57.255
HIERARCH ESO ISS PBL23 END 57.262
HIERARCH ESO ISS PBLA23 START 7.2
HIERARCH ESO ISS PBLA23 END 7.6
HIERARCH ESO ISS PBL24 START 88.0
HIERARCH ESO ISS PBL24 END 88.019
HIERARCH ESO ISS PBLA24 START 350.591
HIERARCH ESO ISS PBLA24 END 350.866
HIERARCH ESO ISS PBL34 START 36.936
HIERARCH ESO ISS PBL34 END 37.038
HIERARCH ESO ISS PBLA34 START 324.341
HIERARCH ESO ISS PBLA34 END 324.47
HIERARCH ESO ISS AMBI TAU0 START 0.007644
HIERARCH ESO ISS AMBI TAU0 END 0.008566
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.36