Exposure
ID
PIONI.2025-06-17T07:27:54.007_1
Header ID
PIONI.2025-06-17T07:27:54.007
Date updated
2025-06-17 07:36:13 UTC+0000
Release date
2025-06-17 07:27:54 UTC+0000
UTC Start
2025-06-17 07:27:54.007
UTC End
2025-06-17 07:28:19.607
MJD Start
60843.3110417495
MJD End
60843.311338045794
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002844
Ambient temperature (°C)
6.91
Seeing (arcsec)
0.95
Observation
ID
68115
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
50631
Name
HD 165634
RA
272.019635
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 83.1710 83.1160 136.6000 136.7000
A0-J2 112.1810 112.0480 111.6000 111.7000
A0-K0 109.3590 109.2100 86.3270 86.3920
G1-J2 50.7950 50.7360 68.0000 68.0000
G1-K0 85.0860 85.0420 37.6240 37.6580
J2-K0 48.5940 48.5940 5.7280 5.7930
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 60843.3110417495
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
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 83.171
HIERARCH ESO ISS PBL12 END 83.116
HIERARCH ESO ISS PBLA12 START 136.6
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 112.181
HIERARCH ESO ISS PBL13 END 112.048
HIERARCH ESO ISS PBLA13 START 111.6
HIERARCH ESO ISS PBLA13 END 111.7
HIERARCH ESO ISS PBL14 START 109.359
HIERARCH ESO ISS PBL14 END 109.21
HIERARCH ESO ISS PBLA14 START 86.327
HIERARCH ESO ISS PBLA14 END 86.392
HIERARCH ESO ISS PBL23 START 50.795
HIERARCH ESO ISS PBL23 END 50.736
HIERARCH ESO ISS PBLA23 START 68.0
HIERARCH ESO ISS PBLA23 END 68.0
HIERARCH ESO ISS PBL24 START 85.086
HIERARCH ESO ISS PBL24 END 85.042
HIERARCH ESO ISS PBLA24 START 37.624
HIERARCH ESO ISS PBLA24 END 37.658
HIERARCH ESO ISS PBL34 START 48.594
HIERARCH ESO ISS PBL34 END 48.594
HIERARCH ESO ISS PBLA34 START 5.728
HIERARCH ESO ISS PBLA34 END 5.793
HIERARCH ESO ISS AMBI TAU0 START 0.002844
HIERARCH ESO ISS AMBI TAU0 END 0.002844
HIERARCH ESO ISS AMBI TEMP 6.91
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95