Exposure
ID
PIONI.2025-08-15T04:21:48.695_1
Header ID
PIONI.2025-08-15T04:21:48.695
Date updated
2025-08-15 04:30:45 UTC+0000
Release date
2025-08-15 04:21:48 UTC+0000
UTC Start
2025-08-15 04:21:48.695
UTC End
2025-08-15 04:22:14.295
MJD Start
60902.1818136037
MJD End
60902.1821099
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.41
Seeing (arcsec)
1.08
Observation
ID
70014
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
51945
Name
HD 168592
RA
275.577084
DEC
-38.65706
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 58.3020 58.2400 301.8000 301.9000
K0-D0 76.1050 75.9860 277.9000 278.0000
K0-J3 56.4890 56.4900 355.3120 355.4000
G2-D0 32.8440 32.8070 231.9000 231.9000
G2-J3 51.7150 51.6460 60.3460 60.3970
D0-J3 84.3380 84.2320 57.0510 57.0990
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 60902.1818136037
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.577084
DEC -38.65706
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 58.302
HIERARCH ESO ISS PBL12 END 58.24
HIERARCH ESO ISS PBLA12 START 301.8
HIERARCH ESO ISS PBLA12 END 301.9
HIERARCH ESO ISS PBL13 START 76.105
HIERARCH ESO ISS PBL13 END 75.986
HIERARCH ESO ISS PBLA13 START 277.9
HIERARCH ESO ISS PBLA13 END 278.0
HIERARCH ESO ISS PBL14 START 56.489
HIERARCH ESO ISS PBL14 END 56.49
HIERARCH ESO ISS PBLA14 START 355.312
HIERARCH ESO ISS PBLA14 END 355.4
HIERARCH ESO ISS PBL23 START 32.844
HIERARCH ESO ISS PBL23 END 32.807
HIERARCH ESO ISS PBLA23 START 231.9
HIERARCH ESO ISS PBLA23 END 231.9
HIERARCH ESO ISS PBL24 START 51.715
HIERARCH ESO ISS PBL24 END 51.646
HIERARCH ESO ISS PBLA24 START 60.346
HIERARCH ESO ISS PBLA24 END 60.397
HIERARCH ESO ISS PBL34 START 84.338
HIERARCH ESO ISS PBL34 END 84.232
HIERARCH ESO ISS PBLA34 START 57.051
HIERARCH ESO ISS PBLA34 END 57.099
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.41
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08