Exposure
ID
PIONI.2025-09-25T23:30:20.074_1
Header ID
PIONI.2025-09-25T23:30:20.074
Date updated
2025-09-25 23:40:40 UTC+0000
Release date
2025-09-25 23:30:20 UTC+0000
UTC Start
2025-09-25 23:30:20.075
UTC End
2025-09-25 23:30:45.675
MJD Start
60943.9793990119
MJD End
60943.9796953082
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005656
Ambient temperature (°C)
15.19
Seeing (arcsec)
0.955
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 89.2350 89.2060 123.5000 123.6000
A0-J2 126.0620 125.9970 100.1000 100.1000
A0-K0 124.3080 124.2390 77.6790 77.7430
G1-J2 56.6800 56.6530 61.3000 61.3000
G1-K0 89.1780 89.1590 31.8270 31.8790
J2-K0 48.6090 48.6090 356.8380 356.9040
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 60943.9793990119
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 89.235
HIERARCH ESO ISS PBL12 END 89.206
HIERARCH ESO ISS PBLA12 START 123.5
HIERARCH ESO ISS PBLA12 END 123.6
HIERARCH ESO ISS PBL13 START 126.062
HIERARCH ESO ISS PBL13 END 125.997
HIERARCH ESO ISS PBLA13 START 100.1
HIERARCH ESO ISS PBLA13 END 100.1
HIERARCH ESO ISS PBL14 START 124.308
HIERARCH ESO ISS PBL14 END 124.239
HIERARCH ESO ISS PBLA14 START 77.679
HIERARCH ESO ISS PBLA14 END 77.743
HIERARCH ESO ISS PBL23 START 56.68
HIERARCH ESO ISS PBL23 END 56.653
HIERARCH ESO ISS PBLA23 START 61.3
HIERARCH ESO ISS PBLA23 END 61.3
HIERARCH ESO ISS PBL24 START 89.178
HIERARCH ESO ISS PBL24 END 89.159
HIERARCH ESO ISS PBLA24 START 31.827
HIERARCH ESO ISS PBLA24 END 31.879
HIERARCH ESO ISS PBL34 START 48.609
HIERARCH ESO ISS PBL34 END 48.609
HIERARCH ESO ISS PBLA34 START 356.838
HIERARCH ESO ISS PBLA34 END 356.904
HIERARCH ESO ISS AMBI TAU0 START 0.006166
HIERARCH ESO ISS AMBI TAU0 END 0.005146
HIERARCH ESO ISS AMBI TEMP 15.19
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.94