Exposure
ID
PIONI.2025-08-15T02:25:16.058_1
Header ID
PIONI.2025-08-15T02:25:16.058
Date updated
2025-08-15 02:30:50 UTC+0000
Release date
2025-08-15 02:25:16 UTC+0000
UTC Start
2025-08-15 02:25:16.058
UTC End
2025-08-15 02:25:41.658
MJD Start
60902.1008802988
MJD End
60902.1011765951
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002927
Ambient temperature (°C)
11.14
Seeing (arcsec)
0.91
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 66.0310 65.9910 280.0000 280.1000
K0-D0 92.3200 92.2600 258.7000 258.8000
K0-J3 56.5070 56.5050 341.0130 341.0900
G2-D0 39.0520 39.0390 220.8000 220.9000
G2-J3 62.7100 62.6840 48.0470 48.0970
D0-J3 101.5690 101.5300 45.2680 45.3180
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 60902.1008802988
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 66.031
HIERARCH ESO ISS PBL12 END 65.991
HIERARCH ESO ISS PBLA12 START 280.0
HIERARCH ESO ISS PBLA12 END 280.1
HIERARCH ESO ISS PBL13 START 92.32
HIERARCH ESO ISS PBL13 END 92.26
HIERARCH ESO ISS PBLA13 START 258.7
HIERARCH ESO ISS PBLA13 END 258.8
HIERARCH ESO ISS PBL14 START 56.507
HIERARCH ESO ISS PBL14 END 56.505
HIERARCH ESO ISS PBLA14 START 341.013
HIERARCH ESO ISS PBLA14 END 341.09
HIERARCH ESO ISS PBL23 START 39.052
HIERARCH ESO ISS PBL23 END 39.039
HIERARCH ESO ISS PBLA23 START 220.8
HIERARCH ESO ISS PBLA23 END 220.9
HIERARCH ESO ISS PBL24 START 62.71
HIERARCH ESO ISS PBL24 END 62.684
HIERARCH ESO ISS PBLA24 START 48.047
HIERARCH ESO ISS PBLA24 END 48.097
HIERARCH ESO ISS PBL34 START 101.569
HIERARCH ESO ISS PBL34 END 101.53
HIERARCH ESO ISS PBLA34 START 45.268
HIERARCH ESO ISS PBLA34 END 45.318
HIERARCH ESO ISS AMBI TAU0 START 0.002927
HIERARCH ESO ISS AMBI TAU0 END 0.002927
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91