Exposure
ID
PIONI.2025-11-01T07:45:36.259_1
Header ID
PIONI.2025-11-01T07:45:36.259
Date updated
2025-11-01 07:50:45 UTC+0000
Release date
2025-11-01 07:50:45 UTC+0000
UTC Start
2025-11-01 07:45:36.259
UTC End
2025-11-01 07:46:27.459
MJD Start
60980.3233363344
MJD End
60980.32392892699
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0100505
Ambient temperature (°C)
10.06
Seeing (arcsec)
0.435
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 69.9300 70.1060 83.7000 83.9000
A0-J2 111.2810 111.4510 57.4000 57.6000
A0-K0 121.4990 121.5740 37.4790 37.7070
G1-J2 57.6410 57.6510 24.8000 25.0000
G1-K0 88.8260 88.8230 2.8590 3.0070
J2-K0 41.4310 41.4680 331.4880 331.5740
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 60980.3233363344
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 0.001
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 69.93
HIERARCH ESO ISS PBL12 END 70.106
HIERARCH ESO ISS PBLA12 START 83.7
HIERARCH ESO ISS PBLA12 END 83.9
HIERARCH ESO ISS PBL13 START 111.281
HIERARCH ESO ISS PBL13 END 111.451
HIERARCH ESO ISS PBLA13 START 57.4
HIERARCH ESO ISS PBLA13 END 57.6
HIERARCH ESO ISS PBL14 START 121.499
HIERARCH ESO ISS PBL14 END 121.574
HIERARCH ESO ISS PBLA14 START 37.479
HIERARCH ESO ISS PBLA14 END 37.707
HIERARCH ESO ISS PBL23 START 57.641
HIERARCH ESO ISS PBL23 END 57.651
HIERARCH ESO ISS PBLA23 START 24.8
HIERARCH ESO ISS PBLA23 END 25.0
HIERARCH ESO ISS PBL24 START 88.826
HIERARCH ESO ISS PBL24 END 88.823
HIERARCH ESO ISS PBLA24 START 2.859
HIERARCH ESO ISS PBLA24 END 3.007
HIERARCH ESO ISS PBL34 START 41.431
HIERARCH ESO ISS PBL34 END 41.468
HIERARCH ESO ISS PBLA34 START 331.488
HIERARCH ESO ISS PBLA34 END 331.574
HIERARCH ESO ISS AMBI TAU0 START 0.01101
HIERARCH ESO ISS AMBI TAU0 END 0.009091
HIERARCH ESO ISS AMBI TEMP 10.06
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.44