Exposure
ID
PIONI.2025-11-01T07:34:29.870_1
Header ID
PIONI.2025-11-01T07:34:29.870
Date updated
2025-11-01 07:40:58 UTC+0000
Release date
2025-11-01 07:40:58 UTC+0000
UTC Start
2025-11-01 07:34:29.870
UTC End
2025-11-01 07:35:46.670
MJD Start
60980.3156234897
MJD End
60980.316512378595
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0065245
Ambient temperature (°C)
10.17
Seeing (arcsec)
0.41000000000000003
Observation
ID
71080
Category
science
Program ID
116.28SA.001
Program Title
TOWARDS HIGH-ANGULAR RESOLUTION IMAGING OF ALL SOUTHERN O-TYPE STARS BRIGHTER THAN H=8
Program Type
Normal
PI / COI
SANA / DESHMUKH / MAHY / VRANCKEN
Target
ID
52760
Name
HD 74920
RA
131.291416
DEC
-46.03862
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 67.9720 68.2310 81.5000 81.8000
A0-J2 109.4010 109.6480 54.7000 55.1000
A0-K0 120.6740 120.7820 34.9360 35.2720
G1-J2 57.5240 57.5390 22.6000 22.9000
G1-K0 88.8460 88.8450 1.2220 1.4380
J2-K0 41.0090 41.0650 330.5360 330.6600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SA.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60980.3156234897
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 74920
RA 131.291416
DEC -46.03862
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 0.0015
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.972
HIERARCH ESO ISS PBL12 END 68.231
HIERARCH ESO ISS PBLA12 START 81.5
HIERARCH ESO ISS PBLA12 END 81.8
HIERARCH ESO ISS PBL13 START 109.401
HIERARCH ESO ISS PBL13 END 109.648
HIERARCH ESO ISS PBLA13 START 54.7
HIERARCH ESO ISS PBLA13 END 55.1
HIERARCH ESO ISS PBL14 START 120.674
HIERARCH ESO ISS PBL14 END 120.782
HIERARCH ESO ISS PBLA14 START 34.936
HIERARCH ESO ISS PBLA14 END 35.272
HIERARCH ESO ISS PBL23 START 57.524
HIERARCH ESO ISS PBL23 END 57.539
HIERARCH ESO ISS PBLA23 START 22.6
HIERARCH ESO ISS PBLA23 END 22.9
HIERARCH ESO ISS PBL24 START 88.846
HIERARCH ESO ISS PBL24 END 88.845
HIERARCH ESO ISS PBLA24 START 1.222
HIERARCH ESO ISS PBLA24 END 1.438
HIERARCH ESO ISS PBL34 START 41.009
HIERARCH ESO ISS PBL34 END 41.065
HIERARCH ESO ISS PBLA34 START 330.536
HIERARCH ESO ISS PBLA34 END 330.66
HIERARCH ESO ISS AMBI TAU0 START 0.006935
HIERARCH ESO ISS AMBI TAU0 END 0.006114
HIERARCH ESO ISS AMBI TEMP 10.17
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.43