Exposure
ID
PIONI.2025-11-01T07:35:58.579_1
Header ID
PIONI.2025-11-01T07:35:58.579
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 07:35:58.579
UTC End
2025-11-01 07:37:15.379
MJD Start
60980.3166502197
MJD End
60980.31753910859
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0066985
Ambient temperature (°C)
10.16
Seeing (arcsec)
0.425
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 68.2370 68.4950 81.8000 82.1000
A0-J2 109.6530 109.9000 55.1000 55.4000
A0-K0 120.7840 120.8920 35.2800 35.6110
G1-J2 57.5390 57.5540 22.9000 23.2000
G1-K0 88.8440 88.8420 1.4420 1.6540
J2-K0 41.0660 41.1220 330.6630 330.7840
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 60980.3166502197
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 68.237
HIERARCH ESO ISS PBL12 END 68.495
HIERARCH ESO ISS PBLA12 START 81.8
HIERARCH ESO ISS PBLA12 END 82.1
HIERARCH ESO ISS PBL13 START 109.653
HIERARCH ESO ISS PBL13 END 109.9
HIERARCH ESO ISS PBLA13 START 55.1
HIERARCH ESO ISS PBLA13 END 55.4
HIERARCH ESO ISS PBL14 START 120.784
HIERARCH ESO ISS PBL14 END 120.892
HIERARCH ESO ISS PBLA14 START 35.28
HIERARCH ESO ISS PBLA14 END 35.611
HIERARCH ESO ISS PBL23 START 57.539
HIERARCH ESO ISS PBL23 END 57.554
HIERARCH ESO ISS PBLA23 START 22.9
HIERARCH ESO ISS PBLA23 END 23.2
HIERARCH ESO ISS PBL24 START 88.844
HIERARCH ESO ISS PBL24 END 88.842
HIERARCH ESO ISS PBLA24 START 1.442
HIERARCH ESO ISS PBLA24 END 1.654
HIERARCH ESO ISS PBL34 START 41.066
HIERARCH ESO ISS PBL34 END 41.122
HIERARCH ESO ISS PBLA34 START 330.663
HIERARCH ESO ISS PBLA34 END 330.784
HIERARCH ESO ISS AMBI TAU0 START 0.006114
HIERARCH ESO ISS AMBI TAU0 END 0.007283
HIERARCH ESO ISS AMBI TEMP 10.16
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.42