Exposure
ID
PIONI.2025-11-01T07:46:39.721_1
Header ID
PIONI.2025-11-01T07:46:39.721
Date updated
2025-11-01 07:55:52 UTC+0000
Release date
2025-11-01 07:55:52 UTC+0000
UTC Start
2025-11-01 07:46:39.720
UTC End
2025-11-01 07:47:30.920
MJD Start
60980.3240708355
MJD End
60980.324663428095
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0096445
Ambient temperature (°C)
10.02
Seeing (arcsec)
0.42000000000000004
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 70.1120 70.2900 83.9000 84.1000
A0-J2 111.4570 111.6300 57.6000 57.9000
A0-K0 121.5770 121.6530 37.7140 37.9470
G1-J2 57.6520 57.6630 25.0000 25.3000
G1-K0 88.8230 88.8200 3.0110 3.1630
J2-K0 41.4700 41.5070 331.5770 331.6670
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 60980.3240708355
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 70.112
HIERARCH ESO ISS PBL12 END 70.29
HIERARCH ESO ISS PBLA12 START 83.9
HIERARCH ESO ISS PBLA12 END 84.1
HIERARCH ESO ISS PBL13 START 111.457
HIERARCH ESO ISS PBL13 END 111.63
HIERARCH ESO ISS PBLA13 START 57.6
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 121.577
HIERARCH ESO ISS PBL14 END 121.653
HIERARCH ESO ISS PBLA14 START 37.714
HIERARCH ESO ISS PBLA14 END 37.947
HIERARCH ESO ISS PBL23 START 57.652
HIERARCH ESO ISS PBL23 END 57.663
HIERARCH ESO ISS PBLA23 START 25.0
HIERARCH ESO ISS PBLA23 END 25.3
HIERARCH ESO ISS PBL24 START 88.823
HIERARCH ESO ISS PBL24 END 88.82
HIERARCH ESO ISS PBLA24 START 3.011
HIERARCH ESO ISS PBLA24 END 3.163
HIERARCH ESO ISS PBL34 START 41.47
HIERARCH ESO ISS PBL34 END 41.507
HIERARCH ESO ISS PBLA34 START 331.577
HIERARCH ESO ISS PBLA34 END 331.667
HIERARCH ESO ISS AMBI TAU0 START 0.009091
HIERARCH ESO ISS AMBI TAU0 END 0.010198
HIERARCH ESO ISS AMBI TEMP 10.02
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.4