Exposure
ID
PIONI.2025-04-25T09:37:44.391_1
Header ID
PIONI.2025-04-25T09:37:44.391
Date updated
2025-04-25 09:45:44 UTC+0000
Release date
2026-04-25 09:45:44 UTC+0000
UTC Start
2025-04-25 09:37:44.391
UTC End
2025-04-25 09:39:01.191
MJD Start
60790.4012082308
MJD End
60790.402097119695
Exposure time (s)
76.8
Validation level
1
Tau 0: Coherence time (s)
0.0175465
Ambient temperature (°C)
13.08
Seeing (arcsec)
0.375
Observation
ID
66987
Category
science
Program ID
115.283G.001
Program Title
CHARACTERIZING WIDE COMPANIONS OF WOLF-RAYET STARS
Program Type
Normal
PI / COI
DESHMUKH / SANA / BORDIER / MÉRAND
Target
ID
49802
Name
CD-38 11746
RA
259.750744
DEC
-38.81425
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 88.6900 88.6250 133.3000 133.6000
A0-J2 121.2890 121.0820 110.9000 111.2000
A0-K0 115.4360 115.1620 87.9700 88.1960
G1-J2 51.8140 51.6900 70.2000 70.4000
G1-K0 82.4780 82.3640 38.0610 38.1910
J2-K0 47.4710 47.4690 2.5150 2.6820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.283G.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60790.4012082308
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME CD-38 11746
RA 259.750744
DEC -38.81425
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 88.69
HIERARCH ESO ISS PBL12 END 88.625
HIERARCH ESO ISS PBLA12 START 133.3
HIERARCH ESO ISS PBLA12 END 133.6
HIERARCH ESO ISS PBL13 START 121.289
HIERARCH ESO ISS PBL13 END 121.082
HIERARCH ESO ISS PBLA13 START 110.9
HIERARCH ESO ISS PBLA13 END 111.2
HIERARCH ESO ISS PBL14 START 115.436
HIERARCH ESO ISS PBL14 END 115.162
HIERARCH ESO ISS PBLA14 START 87.97
HIERARCH ESO ISS PBLA14 END 88.196
HIERARCH ESO ISS PBL23 START 51.814
HIERARCH ESO ISS PBL23 END 51.69
HIERARCH ESO ISS PBLA23 START 70.2
HIERARCH ESO ISS PBLA23 END 70.4
HIERARCH ESO ISS PBL24 START 82.478
HIERARCH ESO ISS PBL24 END 82.364
HIERARCH ESO ISS PBLA24 START 38.061
HIERARCH ESO ISS PBLA24 END 38.191
HIERARCH ESO ISS PBL34 START 47.471
HIERARCH ESO ISS PBL34 END 47.469
HIERARCH ESO ISS PBLA34 START 2.515
HIERARCH ESO ISS PBLA34 END 2.682
HIERARCH ESO ISS AMBI TAU0 START 0.016241
HIERARCH ESO ISS AMBI TAU0 END 0.018852
HIERARCH ESO ISS AMBI TEMP 13.08
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.34