Exposure
ID
PIONI.2025-11-01T07:31:32.269_1
Header ID
PIONI.2025-11-01T07:31:32.269
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 07:31:32.269
UTC End
2025-11-01 07:32:49.069
MJD Start
60980.3135679318
MJD End
60980.31445682069
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.006209
Ambient temperature (°C)
10.13
Seeing (arcsec)
0.435
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 67.4410 67.7030 80.9000 81.2000
A0-J2 108.8990 109.1460 54.0000 54.3000
A0-K0 120.4560 120.5630 34.2540 34.5890
G1-J2 57.4930 57.5080 22.0000 22.2000
G1-K0 88.8490 88.8480 0.7900 1.0020
J2-K0 40.8930 40.9500 330.2910 330.4100
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 60980.3135679318
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 67.441
HIERARCH ESO ISS PBL12 END 67.703
HIERARCH ESO ISS PBLA12 START 80.9
HIERARCH ESO ISS PBLA12 END 81.2
HIERARCH ESO ISS PBL13 START 108.899
HIERARCH ESO ISS PBL13 END 109.146
HIERARCH ESO ISS PBLA13 START 54.0
HIERARCH ESO ISS PBLA13 END 54.3
HIERARCH ESO ISS PBL14 START 120.456
HIERARCH ESO ISS PBL14 END 120.563
HIERARCH ESO ISS PBLA14 START 34.254
HIERARCH ESO ISS PBLA14 END 34.589
HIERARCH ESO ISS PBL23 START 57.493
HIERARCH ESO ISS PBL23 END 57.508
HIERARCH ESO ISS PBLA23 START 22.0
HIERARCH ESO ISS PBLA23 END 22.2
HIERARCH ESO ISS PBL24 START 88.849
HIERARCH ESO ISS PBL24 END 88.848
HIERARCH ESO ISS PBLA24 START 0.79
HIERARCH ESO ISS PBLA24 END 1.002
HIERARCH ESO ISS PBL34 START 40.893
HIERARCH ESO ISS PBL34 END 40.95
HIERARCH ESO ISS PBLA34 START 330.291
HIERARCH ESO ISS PBLA34 END 330.41
HIERARCH ESO ISS AMBI TAU0 START 0.005753
HIERARCH ESO ISS AMBI TAU0 END 0.006665
HIERARCH ESO ISS AMBI TEMP 10.13
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.43