Exposure
ID
PIONI.2025-10-30T06:49:19.022_1
Header ID
PIONI.2025-10-30T06:49:19.022
Date updated
2025-10-30 07:01:08 UTC+0000
Release date
2025-10-30 06:49:19 UTC+0000
UTC Start
2025-10-30 06:49:19.022
UTC End
2025-10-30 06:51:01.422
MJD Start
60978.2842479418
MJD End
60978.28543312699
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.0056635
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.41000000000000003
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 55.7630 56.1130 63.5000 64.0000
A0-J2 100.0440 100.3050 35.3000 35.9000
A0-K0 117.6440 117.7300 17.9920 18.4660
G1-J2 57.2710 57.2790 8.0000 8.4000
G1-K0 88.0370 88.0550 351.1490 351.4220
J2-K0 37.1420 37.2410 324.6040 324.7340
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 60978.2842479418
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 55.763
HIERARCH ESO ISS PBL12 END 56.113
HIERARCH ESO ISS PBLA12 START 63.5
HIERARCH ESO ISS PBLA12 END 64.0
HIERARCH ESO ISS PBL13 START 100.044
HIERARCH ESO ISS PBL13 END 100.305
HIERARCH ESO ISS PBLA13 START 35.3
HIERARCH ESO ISS PBLA13 END 35.9
HIERARCH ESO ISS PBL14 START 117.644
HIERARCH ESO ISS PBL14 END 117.73
HIERARCH ESO ISS PBLA14 START 17.992
HIERARCH ESO ISS PBLA14 END 18.466
HIERARCH ESO ISS PBL23 START 57.271
HIERARCH ESO ISS PBL23 END 57.279
HIERARCH ESO ISS PBLA23 START 8.0
HIERARCH ESO ISS PBLA23 END 8.4
HIERARCH ESO ISS PBL24 START 88.037
HIERARCH ESO ISS PBL24 END 88.055
HIERARCH ESO ISS PBLA24 START 351.149
HIERARCH ESO ISS PBLA24 END 351.422
HIERARCH ESO ISS PBL34 START 37.142
HIERARCH ESO ISS PBL34 END 37.241
HIERARCH ESO ISS PBLA34 START 324.604
HIERARCH ESO ISS PBLA34 END 324.734
HIERARCH ESO ISS AMBI TAU0 START 0.006041
HIERARCH ESO ISS AMBI TAU0 END 0.005286
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.42