Exposure
ID
PIONI.2025-11-01T07:44:33.195_1
Header ID
PIONI.2025-11-01T07:44:33.195
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 07:44:33.195
UTC End
2025-11-01 07:45:24.395
MJD Start
60980.3226064215
MJD End
60980.32319901409
Exposure time (s)
51.2
Validation level
1
Tau 0: Coherence time (s)
0.0107685
Ambient temperature (°C)
10.08
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 69.7480 69.9250 83.5000 83.7000
A0-J2 111.1040 111.2750 57.1000 57.4000
A0-K0 121.4210 121.4960 37.2390 37.4710
G1-J2 57.6300 57.6400 24.6000 24.8000
G1-K0 88.8280 88.8260 2.7030 2.8540
J2-K0 41.3920 41.4300 331.3950 331.4850
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 60980.3226064215
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 69.748
HIERARCH ESO ISS PBL12 END 69.925
HIERARCH ESO ISS PBLA12 START 83.5
HIERARCH ESO ISS PBLA12 END 83.7
HIERARCH ESO ISS PBL13 START 111.104
HIERARCH ESO ISS PBL13 END 111.275
HIERARCH ESO ISS PBLA13 START 57.1
HIERARCH ESO ISS PBLA13 END 57.4
HIERARCH ESO ISS PBL14 START 121.421
HIERARCH ESO ISS PBL14 END 121.496
HIERARCH ESO ISS PBLA14 START 37.239
HIERARCH ESO ISS PBLA14 END 37.471
HIERARCH ESO ISS PBL23 START 57.63
HIERARCH ESO ISS PBL23 END 57.64
HIERARCH ESO ISS PBLA23 START 24.6
HIERARCH ESO ISS PBLA23 END 24.8
HIERARCH ESO ISS PBL24 START 88.828
HIERARCH ESO ISS PBL24 END 88.826
HIERARCH ESO ISS PBLA24 START 2.703
HIERARCH ESO ISS PBLA24 END 2.854
HIERARCH ESO ISS PBL34 START 41.392
HIERARCH ESO ISS PBL34 END 41.43
HIERARCH ESO ISS PBLA34 START 331.395
HIERARCH ESO ISS PBLA34 END 331.485
HIERARCH ESO ISS AMBI TAU0 START 0.010527
HIERARCH ESO ISS AMBI TAU0 END 0.01101
HIERARCH ESO ISS AMBI TEMP 10.08
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43