Exposure
ID
PIONI.2025-08-15T04:06:43.309_1
Header ID
PIONI.2025-08-15T04:06:43.309
Date updated
2025-08-15 04:10:37 UTC+0000
Release date
2025-08-15 04:06:43 UTC+0000
UTC Start
2025-08-15 04:06:43.308
UTC End
2025-08-15 04:07:08.908
MJD Start
60902.171334588
MJD End
60902.171630884295
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.64
Seeing (arcsec)
0.93
Observation
ID
70013
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
51944
Name
HD 165634
RA
272.020899
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.1310 55.0470 295.6000 295.7000
K0-D0 75.5560 75.4190 269.8000 269.9000
K0-J3 56.1160 56.1140 355.1710 355.2600
G2-D0 35.2990 35.2670 227.1000 227.1000
G2-J3 55.2500 55.1870 54.5150 54.5400
D0-J3 90.3670 90.2730 51.6170 51.6410
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 60902.171334588
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020899
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 55.131
HIERARCH ESO ISS PBL12 END 55.047
HIERARCH ESO ISS PBLA12 START 295.6
HIERARCH ESO ISS PBLA12 END 295.7
HIERARCH ESO ISS PBL13 START 75.556
HIERARCH ESO ISS PBL13 END 75.419
HIERARCH ESO ISS PBLA13 START 269.8
HIERARCH ESO ISS PBLA13 END 269.9
HIERARCH ESO ISS PBL14 START 56.116
HIERARCH ESO ISS PBL14 END 56.114
HIERARCH ESO ISS PBLA14 START 355.171
HIERARCH ESO ISS PBLA14 END 355.26
HIERARCH ESO ISS PBL23 START 35.299
HIERARCH ESO ISS PBL23 END 35.267
HIERARCH ESO ISS PBLA23 START 227.1
HIERARCH ESO ISS PBLA23 END 227.1
HIERARCH ESO ISS PBL24 START 55.25
HIERARCH ESO ISS PBL24 END 55.187
HIERARCH ESO ISS PBLA24 START 54.515
HIERARCH ESO ISS PBLA24 END 54.54
HIERARCH ESO ISS PBL34 START 90.367
HIERARCH ESO ISS PBL34 END 90.273
HIERARCH ESO ISS PBLA34 START 51.617
HIERARCH ESO ISS PBLA34 END 51.641
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.64
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93