Exposure
ID
PIONI.2025-08-17T01:42:17.993_1
Header ID
PIONI.2025-08-17T01:42:17.993
Date updated
2025-08-17 01:45:51 UTC+0000
Release date
2025-08-17 01:42:17 UTC+0000
UTC Start
2025-08-17 01:42:17.993
UTC End
2025-08-17 01:42:43.593
MJD Start
60904.0710415859
MJD End
60904.0713378822
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002763
Ambient temperature (°C)
10.77
Seeing (arcsec)
0.6499999999999999
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 67.7950 67.7740 275.6000 275.7000
K0-D0 94.9640 94.9330 254.9000 255.0000
K0-J3 56.5630 56.5630 336.6640 336.7360
G2-D0 39.6430 39.6360 217.7000 217.7000
G2-J3 63.8880 63.8730 44.8570 44.9160
D0-J3 103.3380 103.3160 42.1000 42.1580
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 60904.0710415859
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 67.795
HIERARCH ESO ISS PBL12 END 67.774
HIERARCH ESO ISS PBLA12 START 275.6
HIERARCH ESO ISS PBLA12 END 275.7
HIERARCH ESO ISS PBL13 START 94.964
HIERARCH ESO ISS PBL13 END 94.933
HIERARCH ESO ISS PBLA13 START 254.9
HIERARCH ESO ISS PBLA13 END 255.0
HIERARCH ESO ISS PBL14 START 56.563
HIERARCH ESO ISS PBL14 END 56.563
HIERARCH ESO ISS PBLA14 START 336.664
HIERARCH ESO ISS PBLA14 END 336.736
HIERARCH ESO ISS PBL23 START 39.643
HIERARCH ESO ISS PBL23 END 39.636
HIERARCH ESO ISS PBLA23 START 217.7
HIERARCH ESO ISS PBLA23 END 217.7
HIERARCH ESO ISS PBL24 START 63.888
HIERARCH ESO ISS PBL24 END 63.873
HIERARCH ESO ISS PBLA24 START 44.857
HIERARCH ESO ISS PBLA24 END 44.916
HIERARCH ESO ISS PBL34 START 103.338
HIERARCH ESO ISS PBL34 END 103.316
HIERARCH ESO ISS PBLA34 START 42.1
HIERARCH ESO ISS PBLA34 END 42.158
HIERARCH ESO ISS AMBI TAU0 START 0.003173
HIERARCH ESO ISS AMBI TAU0 END 0.002353
HIERARCH ESO ISS AMBI TEMP 10.77
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.72