Exposure
ID
PIONI.2025-08-15T04:23:42.029_1
Header ID
PIONI.2025-08-15T04:23:42.029
Date updated
2025-08-15 04:30:45 UTC+0000
Release date
2025-08-15 04:23:42 UTC+0000
UTC Start
2025-08-15 04:23:42.029
UTC End
2025-08-15 04:24:07.629
MJD Start
60902.1831253408
MJD End
60902.1834216371
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002512
Ambient temperature (°C)
10.49
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 58.1050 58.0420 302.2000 302.3000
K0-D0 75.7280 75.6080 278.2000 278.3000
K0-J3 56.4910 56.4910 355.5900 355.6780
G2-D0 32.7270 32.6890 232.0000 232.0000
G2-J3 51.4960 51.4270 60.5060 60.5560
D0-J3 84.0020 83.8960 57.2010 57.2480
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 60902.1831253408
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 58.105
HIERARCH ESO ISS PBL12 END 58.042
HIERARCH ESO ISS PBLA12 START 302.2
HIERARCH ESO ISS PBLA12 END 302.3
HIERARCH ESO ISS PBL13 START 75.728
HIERARCH ESO ISS PBL13 END 75.608
HIERARCH ESO ISS PBLA13 START 278.2
HIERARCH ESO ISS PBLA13 END 278.3
HIERARCH ESO ISS PBL14 START 56.491
HIERARCH ESO ISS PBL14 END 56.491
HIERARCH ESO ISS PBLA14 START 355.59
HIERARCH ESO ISS PBLA14 END 355.678
HIERARCH ESO ISS PBL23 START 32.727
HIERARCH ESO ISS PBL23 END 32.689
HIERARCH ESO ISS PBLA23 START 232.0
HIERARCH ESO ISS PBLA23 END 232.0
HIERARCH ESO ISS PBL24 START 51.496
HIERARCH ESO ISS PBL24 END 51.427
HIERARCH ESO ISS PBLA24 START 60.506
HIERARCH ESO ISS PBLA24 END 60.556
HIERARCH ESO ISS PBL34 START 84.002
HIERARCH ESO ISS PBL34 END 83.896
HIERARCH ESO ISS PBLA34 START 57.201
HIERARCH ESO ISS PBLA34 END 57.248
HIERARCH ESO ISS AMBI TAU0 START 0.002512
HIERARCH ESO ISS AMBI TAU0 END 0.002512
HIERARCH ESO ISS AMBI TEMP 10.49
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08