Exposure
ID
PIONI.2025-06-16T04:11:11.353_1
Header ID
PIONI.2025-06-16T04:11:11.353
Date updated
2025-06-16 04:29:06 UTC+0000
Release date
2025-06-16 04:11:11 UTC+0000
UTC Start
2025-06-16 04:11:11.353
UTC End
2025-06-16 04:11:36.953
MJD Start
60842.1744369599
MJD End
60842.17473325619
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0051215
Ambient temperature (°C)
6.5
Seeing (arcsec)
0.71
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 87.7720 87.8200 109.3000 109.4000
A0-J2 125.5760 125.6460 85.4000 85.5000
A0-K0 125.5490 125.6000 63.2590 63.3420
G1-J2 57.6130 57.6270 47.3000 47.4000
G1-K0 90.4420 90.4440 18.9060 18.9820
J2-K0 48.3140 48.3180 344.3210 344.3780
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 60842.1744369599
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 87.772
HIERARCH ESO ISS PBL12 END 87.82
HIERARCH ESO ISS PBLA12 START 109.3
HIERARCH ESO ISS PBLA12 END 109.4
HIERARCH ESO ISS PBL13 START 125.576
HIERARCH ESO ISS PBL13 END 125.646
HIERARCH ESO ISS PBLA13 START 85.4
HIERARCH ESO ISS PBLA13 END 85.5
HIERARCH ESO ISS PBL14 START 125.549
HIERARCH ESO ISS PBL14 END 125.6
HIERARCH ESO ISS PBLA14 START 63.259
HIERARCH ESO ISS PBLA14 END 63.342
HIERARCH ESO ISS PBL23 START 57.613
HIERARCH ESO ISS PBL23 END 57.627
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 90.442
HIERARCH ESO ISS PBL24 END 90.444
HIERARCH ESO ISS PBLA24 START 18.906
HIERARCH ESO ISS PBLA24 END 18.982
HIERARCH ESO ISS PBL34 START 48.314
HIERARCH ESO ISS PBL34 END 48.318
HIERARCH ESO ISS PBLA34 START 344.321
HIERARCH ESO ISS PBLA34 END 344.378
HIERARCH ESO ISS AMBI TAU0 START 0.005368
HIERARCH ESO ISS AMBI TAU0 END 0.004875
HIERARCH ESO ISS AMBI TEMP 6.5
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71