Exposure
ID
PIONI.2025-11-01T06:48:29.379_1
Header ID
PIONI.2025-11-01T06:48:29.379
Date updated
2025-11-01 06:55:54 UTC+0000
Release date
2025-11-01 06:48:29 UTC+0000
UTC Start
2025-11-01 06:48:29.379
UTC End
2025-11-01 06:50:11.779
MJD Start
60980.2836733698
MJD End
60980.28485855499
Exposure time (s)
102.4
Validation level
1
Tau 0: Coherence time (s)
0.009306499999999999
Ambient temperature (°C)
10.14
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 57.0830 57.4330 65.4000 65.9000
A0-J2 101.0390 101.3090 37.4000 38.0000
A0-K0 117.9780 118.0710 19.7720 20.2430
G1-J2 57.3030 57.3130 9.5000 9.9000
G1-K0 88.1000 88.1150 352.1780 352.4510
J2-K0 37.5130 37.6100 325.1000 325.2340
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 60980.2836733698
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 57.083
HIERARCH ESO ISS PBL12 END 57.433
HIERARCH ESO ISS PBLA12 START 65.4
HIERARCH ESO ISS PBLA12 END 65.9
HIERARCH ESO ISS PBL13 START 101.039
HIERARCH ESO ISS PBL13 END 101.309
HIERARCH ESO ISS PBLA13 START 37.4
HIERARCH ESO ISS PBLA13 END 38.0
HIERARCH ESO ISS PBL14 START 117.978
HIERARCH ESO ISS PBL14 END 118.071
HIERARCH ESO ISS PBLA14 START 19.772
HIERARCH ESO ISS PBLA14 END 20.243
HIERARCH ESO ISS PBL23 START 57.303
HIERARCH ESO ISS PBL23 END 57.313
HIERARCH ESO ISS PBLA23 START 9.5
HIERARCH ESO ISS PBLA23 END 9.9
HIERARCH ESO ISS PBL24 START 88.1
HIERARCH ESO ISS PBL24 END 88.115
HIERARCH ESO ISS PBLA24 START 352.178
HIERARCH ESO ISS PBLA24 END 352.451
HIERARCH ESO ISS PBL34 START 37.513
HIERARCH ESO ISS PBL34 END 37.61
HIERARCH ESO ISS PBLA34 START 325.1
HIERARCH ESO ISS PBLA34 END 325.234
HIERARCH ESO ISS AMBI TAU0 START 0.009561
HIERARCH ESO ISS AMBI TAU0 END 0.009052
HIERARCH ESO ISS AMBI TEMP 10.14
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.38