Exposure
ID
PIONI.2025-06-17T07:29:08.867_1
Header ID
PIONI.2025-06-17T07:29:08.867
Date updated
2025-06-17 07:36:13 UTC+0000
Release date
2025-06-17 07:29:08 UTC+0000
UTC Start
2025-06-17 07:29:08.867
UTC End
2025-06-17 07:29:34.467
MJD Start
60843.3119081846
MJD End
60843.3122044809
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002844
Ambient temperature (°C)
6.91
Seeing (arcsec)
0.98
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 83.0530 82.9980 136.8000 136.9000
A0-J2 111.8940 111.7590 111.8000 111.9000
A0-K0 109.0390 108.8890 86.4660 86.5310
G1-J2 50.6680 50.6080 68.1000 68.1000
G1-K0 84.9950 84.9520 37.6940 37.7270
J2-K0 48.5930 48.5930 5.8640 5.9270
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 60843.3119081846
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 83.053
HIERARCH ESO ISS PBL12 END 82.998
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 111.894
HIERARCH ESO ISS PBL13 END 111.759
HIERARCH ESO ISS PBLA13 START 111.8
HIERARCH ESO ISS PBLA13 END 111.9
HIERARCH ESO ISS PBL14 START 109.039
HIERARCH ESO ISS PBL14 END 108.889
HIERARCH ESO ISS PBLA14 START 86.466
HIERARCH ESO ISS PBLA14 END 86.531
HIERARCH ESO ISS PBL23 START 50.668
HIERARCH ESO ISS PBL23 END 50.608
HIERARCH ESO ISS PBLA23 START 68.1
HIERARCH ESO ISS PBLA23 END 68.1
HIERARCH ESO ISS PBL24 START 84.995
HIERARCH ESO ISS PBL24 END 84.952
HIERARCH ESO ISS PBLA24 START 37.694
HIERARCH ESO ISS PBLA24 END 37.727
HIERARCH ESO ISS PBL34 START 48.593
HIERARCH ESO ISS PBL34 END 48.593
HIERARCH ESO ISS PBLA34 START 5.864
HIERARCH ESO ISS PBLA34 END 5.927
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 0.98
HIERARCH ESO ISS AMBI FWHM END 0.98