Exposure
ID
PIONI.2025-07-16T01:25:28.290_1
Header ID
PIONI.2025-07-16T01:25:28.290
Date updated
2025-07-16 01:30:53 UTC+0000
Release date
2025-07-16 01:25:28 UTC+0000
UTC Start
2025-07-16 01:25:28.290
UTC End
2025-07-16 01:25:53.890
MJD Start
60872.0593552087
MJD End
60872.059651505
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002084
Ambient temperature (°C)
12.49
Seeing (arcsec)
1.15
Observation
ID
68807
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
51192
Name
HD 165634
RA
272.019636
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 82.5640 82.6460 104.7000 104.8000
A0-J2 117.9770 118.0960 79.2000 79.3000
A0-K0 120.0520 120.1370 56.0370 56.1360
G1-J2 56.0790 56.1020 40.0000 40.1000
G1-K0 90.1920 90.1950 12.6230 12.7050
J2-K0 47.9170 47.9240 340.0740 340.1240
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 60872.0593552087
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019636
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 82.564
HIERARCH ESO ISS PBL12 END 82.646
HIERARCH ESO ISS PBLA12 START 104.7
HIERARCH ESO ISS PBLA12 END 104.8
HIERARCH ESO ISS PBL13 START 117.977
HIERARCH ESO ISS PBL13 END 118.096
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.3
HIERARCH ESO ISS PBL14 START 120.052
HIERARCH ESO ISS PBL14 END 120.137
HIERARCH ESO ISS PBLA14 START 56.037
HIERARCH ESO ISS PBLA14 END 56.136
HIERARCH ESO ISS PBL23 START 56.079
HIERARCH ESO ISS PBL23 END 56.102
HIERARCH ESO ISS PBLA23 START 40.0
HIERARCH ESO ISS PBLA23 END 40.1
HIERARCH ESO ISS PBL24 START 90.192
HIERARCH ESO ISS PBL24 END 90.195
HIERARCH ESO ISS PBLA24 START 12.623
HIERARCH ESO ISS PBLA24 END 12.705
HIERARCH ESO ISS PBL34 START 47.917
HIERARCH ESO ISS PBL34 END 47.924
HIERARCH ESO ISS PBLA34 START 340.074
HIERARCH ESO ISS PBLA34 END 340.124
HIERARCH ESO ISS AMBI TAU0 START 0.002084
HIERARCH ESO ISS AMBI TAU0 END 0.002084
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 1.15
HIERARCH ESO ISS AMBI FWHM END 1.15