Exposure
ID
PIONI.2025-08-15T04:07:58.915_1
Header ID
PIONI.2025-08-15T04:07:58.915
Date updated
2025-08-15 04:15:45 UTC+0000
Release date
2025-08-15 04:07:58 UTC+0000
UTC Start
2025-08-15 04:07:58.915
UTC End
2025-08-15 04:08:24.515
MJD Start
60902.1722096684
MJD End
60902.1725059647
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.66
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 54.9530 54.8690 295.9000 296.0000
K0-D0 75.2670 75.1300 270.0000 270.1000
K0-J3 56.1130 56.1110 355.3580 355.4460
G2-D0 35.2310 35.1990 227.1000 227.2000
G2-J3 55.1180 55.0550 54.5680 54.5930
D0-J3 90.1680 90.0730 51.6680 51.6920
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 60902.1722096684
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 54.953
HIERARCH ESO ISS PBL12 END 54.869
HIERARCH ESO ISS PBLA12 START 295.9
HIERARCH ESO ISS PBLA12 END 296.0
HIERARCH ESO ISS PBL13 START 75.267
HIERARCH ESO ISS PBL13 END 75.13
HIERARCH ESO ISS PBLA13 START 270.0
HIERARCH ESO ISS PBLA13 END 270.1
HIERARCH ESO ISS PBL14 START 56.113
HIERARCH ESO ISS PBL14 END 56.111
HIERARCH ESO ISS PBLA14 START 355.358
HIERARCH ESO ISS PBLA14 END 355.446
HIERARCH ESO ISS PBL23 START 35.231
HIERARCH ESO ISS PBL23 END 35.199
HIERARCH ESO ISS PBLA23 START 227.1
HIERARCH ESO ISS PBLA23 END 227.2
HIERARCH ESO ISS PBL24 START 55.118
HIERARCH ESO ISS PBL24 END 55.055
HIERARCH ESO ISS PBLA24 START 54.568
HIERARCH ESO ISS PBLA24 END 54.593
HIERARCH ESO ISS PBL34 START 90.168
HIERARCH ESO ISS PBL34 END 90.073
HIERARCH ESO ISS PBLA34 START 51.668
HIERARCH ESO ISS PBLA34 END 51.692
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.66
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93