Exposure
ID
PIONI.2025-09-25T23:30:57.700_1
Header ID
PIONI.2025-09-25T23:30:57.700
Date updated
2025-09-25 23:40:40 UTC+0000
Release date
2025-09-25 23:30:57 UTC+0000
UTC Start
2025-09-25 23:30:57.700
UTC End
2025-09-25 23:31:23.300
MJD Start
60943.9798344914
MJD End
60943.9801307877
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005146
Ambient temperature (°C)
15.24
Seeing (arcsec)
0.94
Observation
ID
70510
Category
calibrator
Program ID
115.27VC.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
52285
Name
HD 165634
RA
272.019637
DEC
-28.45727
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 89.2050 89.1750 123.6000 123.7000
A0-J2 125.9950 125.9280 100.1000 100.2000
A0-K0 124.2370 124.1660 77.7400 77.8120
G1-J2 56.6530 56.6240 61.3000 61.4000
G1-K0 89.1590 89.1390 31.8750 31.9340
J2-K0 48.6090 48.6100 356.9010 356.9740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60943.9798344914
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019637
DEC -28.45727
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 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.205
HIERARCH ESO ISS PBL12 END 89.175
HIERARCH ESO ISS PBLA12 START 123.6
HIERARCH ESO ISS PBLA12 END 123.7
HIERARCH ESO ISS PBL13 START 125.995
HIERARCH ESO ISS PBL13 END 125.928
HIERARCH ESO ISS PBLA13 START 100.1
HIERARCH ESO ISS PBLA13 END 100.2
HIERARCH ESO ISS PBL14 START 124.237
HIERARCH ESO ISS PBL14 END 124.166
HIERARCH ESO ISS PBLA14 START 77.74
HIERARCH ESO ISS PBLA14 END 77.812
HIERARCH ESO ISS PBL23 START 56.653
HIERARCH ESO ISS PBL23 END 56.624
HIERARCH ESO ISS PBLA23 START 61.3
HIERARCH ESO ISS PBLA23 END 61.4
HIERARCH ESO ISS PBL24 START 89.159
HIERARCH ESO ISS PBL24 END 89.139
HIERARCH ESO ISS PBLA24 START 31.875
HIERARCH ESO ISS PBLA24 END 31.934
HIERARCH ESO ISS PBL34 START 48.609
HIERARCH ESO ISS PBL34 END 48.61
HIERARCH ESO ISS PBLA34 START 356.901
HIERARCH ESO ISS PBLA34 END 356.974
HIERARCH ESO ISS AMBI TAU0 START 0.005146
HIERARCH ESO ISS AMBI TAU0 END 0.005146
HIERARCH ESO ISS AMBI TEMP 15.24
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94