Exposure
ID
PIONI.2025-08-22T01:45:45.400_1
Header ID
PIONI.2025-08-22T01:45:45.400
Date updated
2025-08-22 01:50:52 UTC+0000
Release date
2025-08-22 01:45:45 UTC+0000
UTC Start
2025-08-22 01:45:45.400
UTC End
2025-08-22 01:46:11.000
MJD Start
60909.0734421336
MJD End
60909.0737384299
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.59
Seeing (arcsec)
1.76
Observation
ID
70063
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
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 65.8210 65.7900 56.9000 57.0000
A0-J2 128.1080 128.0740 99.4000 99.5000
A0-J3 127.2840 127.2250 52.2920 52.3660
G2-J2 91.2010 91.2030 128.6000 128.7000
G2-J3 61.9030 61.8750 47.3880 47.4590
J2-J3 102.1430 102.1530 345.4430 345.5150
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 60909.0734421336
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 A0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 65.821
HIERARCH ESO ISS PBL12 END 65.79
HIERARCH ESO ISS PBLA12 START 56.9
HIERARCH ESO ISS PBLA12 END 57.0
HIERARCH ESO ISS PBL13 START 128.108
HIERARCH ESO ISS PBL13 END 128.074
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 99.5
HIERARCH ESO ISS PBL14 START 127.284
HIERARCH ESO ISS PBL14 END 127.225
HIERARCH ESO ISS PBLA14 START 52.292
HIERARCH ESO ISS PBLA14 END 52.366
HIERARCH ESO ISS PBL23 START 91.201
HIERARCH ESO ISS PBL23 END 91.203
HIERARCH ESO ISS PBLA23 START 128.6
HIERARCH ESO ISS PBLA23 END 128.7
HIERARCH ESO ISS PBL24 START 61.903
HIERARCH ESO ISS PBL24 END 61.875
HIERARCH ESO ISS PBLA24 START 47.388
HIERARCH ESO ISS PBLA24 END 47.459
HIERARCH ESO ISS PBL34 START 102.143
HIERARCH ESO ISS PBL34 END 102.153
HIERARCH ESO ISS PBLA34 START 345.443
HIERARCH ESO ISS PBLA34 END 345.515
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.59
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76