Exposure
ID
PIONI.2025-08-15T04:22:26.489_1
Header ID
PIONI.2025-08-15T04:22:26.489
Date updated
2025-08-15 04:30:45 UTC+0000
Release date
2025-08-15 04:22:26 UTC+0000
UTC Start
2025-08-15 04:22:26.489
UTC End
2025-08-15 04:22:52.089
MJD Start
60902.1822510273
MJD End
60902.182547323595
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 58.2360 58.1740 301.9000 302.1000
K0-D0 75.9790 75.8600 278.0000 278.1000
K0-J3 56.4900 56.4900 355.4050 355.4920
G2-D0 32.8050 32.7680 231.9000 231.9000
G2-J3 51.6420 51.5730 60.4000 60.4500
D0-J3 84.2260 84.1200 57.1010 57.1490
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 60902.1822510273
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 58.236
HIERARCH ESO ISS PBL12 END 58.174
HIERARCH ESO ISS PBLA12 START 301.9
HIERARCH ESO ISS PBLA12 END 302.1
HIERARCH ESO ISS PBL13 START 75.979
HIERARCH ESO ISS PBL13 END 75.86
HIERARCH ESO ISS PBLA13 START 278.0
HIERARCH ESO ISS PBLA13 END 278.1
HIERARCH ESO ISS PBL14 START 56.49
HIERARCH ESO ISS PBL14 END 56.49
HIERARCH ESO ISS PBLA14 START 355.405
HIERARCH ESO ISS PBLA14 END 355.492
HIERARCH ESO ISS PBL23 START 32.805
HIERARCH ESO ISS PBL23 END 32.768
HIERARCH ESO ISS PBLA23 START 231.9
HIERARCH ESO ISS PBLA23 END 231.9
HIERARCH ESO ISS PBL24 START 51.642
HIERARCH ESO ISS PBL24 END 51.573
HIERARCH ESO ISS PBLA24 START 60.4
HIERARCH ESO ISS PBLA24 END 60.45
HIERARCH ESO ISS PBL34 START 84.226
HIERARCH ESO ISS PBL34 END 84.12
HIERARCH ESO ISS PBLA34 START 57.101
HIERARCH ESO ISS PBLA34 END 57.149
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