Exposure
ID
PIONI.2025-11-01T07:37:27.589_1
Header ID
PIONI.2025-11-01T07:37:27.589
Date updated
2025-11-01 07:45:49 UTC+0000
Release date
2025-11-01 07:45:49 UTC+0000
UTC Start
2025-11-01 07:37:27.590
UTC End
2025-11-01 07:38:44.390
MJD Start
60980.3176804348
MJD End
60980.31856932369
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0083695
Ambient temperature (°C)
10.21
Seeing (arcsec)
0.43
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 68.5010 68.7580 82.1000 82.4000
A0-J2 109.9050 110.1510 55.4000 55.8000
A0-K0 120.8940 121.0020 35.6190 35.9530
G1-J2 57.5550 57.5700 23.2000 23.5000
G1-K0 88.8420 88.8400 1.6590 1.8740
J2-K0 41.1240 41.1790 330.7870 330.9120
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 60980.3176804348
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 68.501
HIERARCH ESO ISS PBL12 END 68.758
HIERARCH ESO ISS PBLA12 START 82.1
HIERARCH ESO ISS PBLA12 END 82.4
HIERARCH ESO ISS PBL13 START 109.905
HIERARCH ESO ISS PBL13 END 110.151
HIERARCH ESO ISS PBLA13 START 55.4
HIERARCH ESO ISS PBLA13 END 55.8
HIERARCH ESO ISS PBL14 START 120.894
HIERARCH ESO ISS PBL14 END 121.002
HIERARCH ESO ISS PBLA14 START 35.619
HIERARCH ESO ISS PBLA14 END 35.953
HIERARCH ESO ISS PBL23 START 57.555
HIERARCH ESO ISS PBL23 END 57.57
HIERARCH ESO ISS PBLA23 START 23.2
HIERARCH ESO ISS PBLA23 END 23.5
HIERARCH ESO ISS PBL24 START 88.842
HIERARCH ESO ISS PBL24 END 88.84
HIERARCH ESO ISS PBLA24 START 1.659
HIERARCH ESO ISS PBLA24 END 1.874
HIERARCH ESO ISS PBL34 START 41.124
HIERARCH ESO ISS PBL34 END 41.179
HIERARCH ESO ISS PBLA34 START 330.787
HIERARCH ESO ISS PBLA34 END 330.912
HIERARCH ESO ISS AMBI TAU0 START 0.007283
HIERARCH ESO ISS AMBI TAU0 END 0.009456
HIERARCH ESO ISS AMBI TEMP 10.21
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.44