Exposure
ID
PIONI.2025-08-22T00:14:45.107_1
Header ID
PIONI.2025-08-22T00:14:45.107
Date updated
2025-08-22 00:26:24 UTC+0000
Release date
2025-08-22 00:14:45 UTC+0000
UTC Start
2025-08-22 00:14:45.107
UTC End
2025-08-22 00:15:23.507
MJD Start
60909.0102442931
MJD End
60909.010688737544
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.64
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 68.3040 68.3000 44.3000 44.4000
A0-J2 127.2020 127.2630 85.1000 85.2000
A0-J3 132.2220 132.2090 40.0270 40.1450
G2-J2 87.7130 87.7740 115.7000 115.8000
G2-J3 64.3070 64.2980 35.5010 35.6160
J2-J3 99.5330 99.5670 335.2350 335.3170
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 60909.0102442931
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 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 68.304
HIERARCH ESO ISS PBL12 END 68.3
HIERARCH ESO ISS PBLA12 START 44.3
HIERARCH ESO ISS PBLA12 END 44.4
HIERARCH ESO ISS PBL13 START 127.202
HIERARCH ESO ISS PBL13 END 127.263
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.2
HIERARCH ESO ISS PBL14 START 132.222
HIERARCH ESO ISS PBL14 END 132.209
HIERARCH ESO ISS PBLA14 START 40.027
HIERARCH ESO ISS PBLA14 END 40.145
HIERARCH ESO ISS PBL23 START 87.713
HIERARCH ESO ISS PBL23 END 87.774
HIERARCH ESO ISS PBLA23 START 115.7
HIERARCH ESO ISS PBLA23 END 115.8
HIERARCH ESO ISS PBL24 START 64.307
HIERARCH ESO ISS PBL24 END 64.298
HIERARCH ESO ISS PBLA24 START 35.501
HIERARCH ESO ISS PBLA24 END 35.616
HIERARCH ESO ISS PBL34 START 99.533
HIERARCH ESO ISS PBL34 END 99.567
HIERARCH ESO ISS PBLA34 START 335.235
HIERARCH ESO ISS PBLA34 END 335.317
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.64
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76