Exposure
ID
PIONI.2025-08-17T02:03:54.948_1
Header ID
PIONI.2025-08-17T02:03:54.948
Date updated
2025-08-17 02:10:47 UTC+0000
Release date
2025-08-17 02:03:54 UTC+0000
UTC Start
2025-08-17 02:03:54.948
UTC End
2025-08-17 02:04:20.548
MJD Start
60904.0860526427
MJD End
60904.086348938996
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002256
Ambient temperature (°C)
11.14
Seeing (arcsec)
0.66
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 67.7470 67.7290 278.0000 278.1000
K0-D0 93.7960 93.7550 257.7000 257.7000
K0-J3 55.8620 55.8690 337.2450 337.3210
G2-D0 38.3540 38.3400 219.8000 219.8000
G2-J3 61.9700 61.9430 47.2170 47.2880
D0-J3 100.1250 100.0830 44.3730 44.4420
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 60904.0860526427
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 67.747
HIERARCH ESO ISS PBL12 END 67.729
HIERARCH ESO ISS PBLA12 START 278.0
HIERARCH ESO ISS PBLA12 END 278.1
HIERARCH ESO ISS PBL13 START 93.796
HIERARCH ESO ISS PBL13 END 93.755
HIERARCH ESO ISS PBLA13 START 257.7
HIERARCH ESO ISS PBLA13 END 257.7
HIERARCH ESO ISS PBL14 START 55.862
HIERARCH ESO ISS PBL14 END 55.869
HIERARCH ESO ISS PBLA14 START 337.245
HIERARCH ESO ISS PBLA14 END 337.321
HIERARCH ESO ISS PBL23 START 38.354
HIERARCH ESO ISS PBL23 END 38.34
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.8
HIERARCH ESO ISS PBL24 START 61.97
HIERARCH ESO ISS PBL24 END 61.943
HIERARCH ESO ISS PBLA24 START 47.217
HIERARCH ESO ISS PBLA24 END 47.288
HIERARCH ESO ISS PBL34 START 100.125
HIERARCH ESO ISS PBL34 END 100.083
HIERARCH ESO ISS PBLA34 START 44.373
HIERARCH ESO ISS PBLA34 END 44.442
HIERARCH ESO ISS AMBI TAU0 START 0.002256
HIERARCH ESO ISS AMBI TAU0 END 0.002256
HIERARCH ESO ISS AMBI TEMP 11.14
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66