Exposure
ID
PIONI.2025-08-17T01:44:10.631_1
Header ID
PIONI.2025-08-17T01:44:10.631
Date updated
2025-08-17 01:50:52 UTC+0000
Release date
2025-08-17 01:44:10 UTC+0000
UTC Start
2025-08-17 01:44:10.631
UTC End
2025-08-17 01:44:36.231
MJD Start
60904.0723452652
MJD End
60904.0726415615
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0024679999999999997
Ambient temperature (°C)
10.79
Seeing (arcsec)
0.685
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 67.7300 67.7090 275.9000 275.9000
K0-D0 94.8640 94.8320 255.1000 255.2000
K0-J3 56.5630 56.5630 336.8940 336.9660
G2-D0 39.6200 39.6120 217.8000 217.9000
G2-J3 63.8420 63.8260 45.0460 45.1040
D0-J3 103.2680 103.2450 42.2880 42.3460
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 60904.0723452652
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 67.73
HIERARCH ESO ISS PBL12 END 67.709
HIERARCH ESO ISS PBLA12 START 275.9
HIERARCH ESO ISS PBLA12 END 275.9
HIERARCH ESO ISS PBL13 START 94.864
HIERARCH ESO ISS PBL13 END 94.832
HIERARCH ESO ISS PBLA13 START 255.1
HIERARCH ESO ISS PBLA13 END 255.2
HIERARCH ESO ISS PBL14 START 56.563
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 336.894
HIERARCH ESO ISS PBLA14 END 336.966
HIERARCH ESO ISS PBL23 START 39.62
HIERARCH ESO ISS PBL23 END 39.612
HIERARCH ESO ISS PBLA23 START 217.8
HIERARCH ESO ISS PBLA23 END 217.9
HIERARCH ESO ISS PBL24 START 63.842
HIERARCH ESO ISS PBL24 END 63.826
HIERARCH ESO ISS PBLA24 START 45.046
HIERARCH ESO ISS PBLA24 END 45.104
HIERARCH ESO ISS PBL34 START 103.268
HIERARCH ESO ISS PBL34 END 103.245
HIERARCH ESO ISS PBLA34 START 42.288
HIERARCH ESO ISS PBLA34 END 42.346
HIERARCH ESO ISS AMBI TAU0 START 0.002353
HIERARCH ESO ISS AMBI TAU0 END 0.002583
HIERARCH ESO ISS AMBI TEMP 10.79
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.65