Exposure
ID
PIONI.2025-09-25T23:31:35.598_1
Header ID
PIONI.2025-09-25T23:31:35.598
Date updated
2025-09-25 23:40:40 UTC+0000
Release date
2025-09-25 23:31:35 UTC+0000
UTC Start
2025-09-25 23:31:35.598
UTC End
2025-09-25 23:32:01.198
MJD Start
60943.9802731196
MJD End
60943.9805694159
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005146
Ambient temperature (°C)
15.24
Seeing (arcsec)
0.965
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 89.1740 89.1440 123.7000 123.7000
A0-J2 125.9260 125.8600 100.2000 100.3000
A0-K0 124.1640 124.0930 77.8080 77.8730
G1-J2 56.6240 56.5960 61.4000 61.5000
G1-K0 89.1390 89.1200 31.9300 31.9820
J2-K0 48.6100 48.6100 356.9710 357.0370
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 60943.9802731196
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 89.174
HIERARCH ESO ISS PBL12 END 89.144
HIERARCH ESO ISS PBLA12 START 123.7
HIERARCH ESO ISS PBLA12 END 123.7
HIERARCH ESO ISS PBL13 START 125.926
HIERARCH ESO ISS PBL13 END 125.86
HIERARCH ESO ISS PBLA13 START 100.2
HIERARCH ESO ISS PBLA13 END 100.3
HIERARCH ESO ISS PBL14 START 124.164
HIERARCH ESO ISS PBL14 END 124.093
HIERARCH ESO ISS PBLA14 START 77.808
HIERARCH ESO ISS PBLA14 END 77.873
HIERARCH ESO ISS PBL23 START 56.624
HIERARCH ESO ISS PBL23 END 56.596
HIERARCH ESO ISS PBLA23 START 61.4
HIERARCH ESO ISS PBLA23 END 61.5
HIERARCH ESO ISS PBL24 START 89.139
HIERARCH ESO ISS PBL24 END 89.12
HIERARCH ESO ISS PBLA24 START 31.93
HIERARCH ESO ISS PBLA24 END 31.982
HIERARCH ESO ISS PBL34 START 48.61
HIERARCH ESO ISS PBL34 END 48.61
HIERARCH ESO ISS PBLA34 START 356.971
HIERARCH ESO ISS PBLA34 END 357.037
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 0.99