Exposure
ID
PIONI.2025-11-01T07:33:01.170_1
Header ID
PIONI.2025-11-01T07:33:01.170
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 07:33:01.171
UTC End
2025-11-01 07:34:17.971
MJD Start
60980.3145968835
MJD End
60980.31548577239
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0068000000000000005
Ambient temperature (°C)
10.15
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 67.7090 67.9660 81.2000 81.4000
A0-J2 109.1510 109.3960 54.3000 54.7000
A0-K0 120.5660 120.6720 34.5960 34.9340
G1-J2 57.5080 57.5230 22.3000 22.6000
G1-K0 88.8480 88.8460 1.0070 1.2220
J2-K0 40.9510 41.0080 330.4130 330.5370
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 60980.3145968835
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 67.709
HIERARCH ESO ISS PBL12 END 67.966
HIERARCH ESO ISS PBLA12 START 81.2
HIERARCH ESO ISS PBLA12 END 81.4
HIERARCH ESO ISS PBL13 START 109.151
HIERARCH ESO ISS PBL13 END 109.396
HIERARCH ESO ISS PBLA13 START 54.3
HIERARCH ESO ISS PBLA13 END 54.7
HIERARCH ESO ISS PBL14 START 120.566
HIERARCH ESO ISS PBL14 END 120.672
HIERARCH ESO ISS PBLA14 START 34.596
HIERARCH ESO ISS PBLA14 END 34.934
HIERARCH ESO ISS PBL23 START 57.508
HIERARCH ESO ISS PBL23 END 57.523
HIERARCH ESO ISS PBLA23 START 22.3
HIERARCH ESO ISS PBLA23 END 22.6
HIERARCH ESO ISS PBL24 START 88.848
HIERARCH ESO ISS PBL24 END 88.846
HIERARCH ESO ISS PBLA24 START 1.007
HIERARCH ESO ISS PBLA24 END 1.222
HIERARCH ESO ISS PBL34 START 40.951
HIERARCH ESO ISS PBL34 END 41.008
HIERARCH ESO ISS PBLA34 START 330.413
HIERARCH ESO ISS PBLA34 END 330.537
HIERARCH ESO ISS AMBI TAU0 START 0.006665
HIERARCH ESO ISS AMBI TAU0 END 0.006935
HIERARCH ESO ISS AMBI TEMP 10.15
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.39