Exposure
ID
PIONI.2025-11-01T07:43:30.406_1
Header ID
PIONI.2025-11-01T07:43:30.406
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 07:43:30.406
UTC End
2025-11-01 07:44:21.606
MJD Start
60980.321879697
MJD End
60980.3224722896
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.010527
Ambient temperature (°C)
10.04
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 69.5660 69.7430 83.3000 83.5000
A0-J2 110.9280 111.0990 56.9000 57.1000
A0-K0 121.3430 121.4180 37.0030 37.2320
G1-J2 57.6190 57.6290 24.4000 24.6000
G1-K0 88.8310 88.8280 2.5500 2.6980
J2-K0 41.3530 41.3910 331.3060 331.3920
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 60980.321879697
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 69.566
HIERARCH ESO ISS PBL12 END 69.743
HIERARCH ESO ISS PBLA12 START 83.3
HIERARCH ESO ISS PBLA12 END 83.5
HIERARCH ESO ISS PBL13 START 110.928
HIERARCH ESO ISS PBL13 END 111.099
HIERARCH ESO ISS PBLA13 START 56.9
HIERARCH ESO ISS PBLA13 END 57.1
HIERARCH ESO ISS PBL14 START 121.343
HIERARCH ESO ISS PBL14 END 121.418
HIERARCH ESO ISS PBLA14 START 37.003
HIERARCH ESO ISS PBLA14 END 37.232
HIERARCH ESO ISS PBL23 START 57.619
HIERARCH ESO ISS PBL23 END 57.629
HIERARCH ESO ISS PBLA23 START 24.4
HIERARCH ESO ISS PBLA23 END 24.6
HIERARCH ESO ISS PBL24 START 88.831
HIERARCH ESO ISS PBL24 END 88.828
HIERARCH ESO ISS PBLA24 START 2.55
HIERARCH ESO ISS PBLA24 END 2.698
HIERARCH ESO ISS PBL34 START 41.353
HIERARCH ESO ISS PBL34 END 41.391
HIERARCH ESO ISS PBLA34 START 331.306
HIERARCH ESO ISS PBLA34 END 331.392
HIERARCH ESO ISS AMBI TAU0 START 0.010527
HIERARCH ESO ISS AMBI TAU0 END 0.010527
HIERARCH ESO ISS AMBI TEMP 10.04
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.43