Exposure
ID
PIONI.2025-09-26T01:39:18.118_1
Header ID
PIONI.2025-09-26T01:39:18.118
Date updated
2025-09-26 01:45:59 UTC+0000
Release date
2025-09-26 01:39:18 UTC+0000
UTC Start
2025-09-26 01:39:18.118
UTC End
2025-09-26 01:39:43.718
MJD Start
60944.068959699
MJD End
60944.069255995295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0057304999999999995
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.64
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 78.4720 78.4150 146.6000 146.7000
A0-J2 99.9120 99.7490 120.7000 120.8000
A0-K0 95.1380 94.9400 92.0270 92.1030
G1-J2 45.0650 44.9840 71.3000 71.3000
G1-K0 80.9110 80.8510 39.8470 39.8680
J2-K0 48.5140 48.5120 10.8910 10.9530
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 60944.068959699
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 78.472
HIERARCH ESO ISS PBL12 END 78.415
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.7
HIERARCH ESO ISS PBL13 START 99.912
HIERARCH ESO ISS PBL13 END 99.749
HIERARCH ESO ISS PBLA13 START 120.7
HIERARCH ESO ISS PBLA13 END 120.8
HIERARCH ESO ISS PBL14 START 95.138
HIERARCH ESO ISS PBL14 END 94.94
HIERARCH ESO ISS PBLA14 START 92.027
HIERARCH ESO ISS PBLA14 END 92.103
HIERARCH ESO ISS PBL23 START 45.065
HIERARCH ESO ISS PBL23 END 44.984
HIERARCH ESO ISS PBLA23 START 71.3
HIERARCH ESO ISS PBLA23 END 71.3
HIERARCH ESO ISS PBL24 START 80.911
HIERARCH ESO ISS PBL24 END 80.851
HIERARCH ESO ISS PBLA24 START 39.847
HIERARCH ESO ISS PBLA24 END 39.868
HIERARCH ESO ISS PBL34 START 48.514
HIERARCH ESO ISS PBL34 END 48.512
HIERARCH ESO ISS PBLA34 START 10.891
HIERARCH ESO ISS PBLA34 END 10.953
HIERARCH ESO ISS AMBI TAU0 START 0.005578
HIERARCH ESO ISS AMBI TAU0 END 0.005883
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.6