Exposure
ID
PIONI.2025-07-26T00:10:31.195_1
Header ID
PIONI.2025-07-26T00:10:31.195
Date updated
2025-07-26 00:21:07 UTC+0000
Release date
2025-07-26 00:10:31 UTC+0000
UTC Start
2025-07-26 00:10:31.195
UTC End
2025-07-26 00:10:56.795
MJD Start
60882.0073054959
MJD End
60882.0076017922
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003127
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.54
Observation
ID
68968
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
51310
Name
HD 168592
RA
275.575662
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.0230 21.0470 125.2000 125.3000
A0-D0 29.7350 29.7520 43.5000 43.6000
A0-C1 18.2850 18.3120 92.8230 92.9120
B2-D0 33.8600 33.8600 5.6000 5.7000
B2-C1 11.2790 11.2790 5.5430 5.6290
D0-C1 22.5810 22.5810 185.5950 185.6810
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 60882.0073054959
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.575662
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 21.023
HIERARCH ESO ISS PBL12 END 21.047
HIERARCH ESO ISS PBLA12 START 125.2
HIERARCH ESO ISS PBLA12 END 125.3
HIERARCH ESO ISS PBL13 START 29.735
HIERARCH ESO ISS PBL13 END 29.752
HIERARCH ESO ISS PBLA13 START 43.5
HIERARCH ESO ISS PBLA13 END 43.6
HIERARCH ESO ISS PBL14 START 18.285
HIERARCH ESO ISS PBL14 END 18.312
HIERARCH ESO ISS PBLA14 START 92.823
HIERARCH ESO ISS PBLA14 END 92.912
HIERARCH ESO ISS PBL23 START 33.86
HIERARCH ESO ISS PBL23 END 33.86
HIERARCH ESO ISS PBLA23 START 5.6
HIERARCH ESO ISS PBLA23 END 5.7
HIERARCH ESO ISS PBL24 START 11.279
HIERARCH ESO ISS PBL24 END 11.279
HIERARCH ESO ISS PBLA24 START 5.543
HIERARCH ESO ISS PBLA24 END 5.629
HIERARCH ESO ISS PBL34 START 22.581
HIERARCH ESO ISS PBL34 END 22.581
HIERARCH ESO ISS PBLA34 START 185.595
HIERARCH ESO ISS PBLA34 END 185.681
HIERARCH ESO ISS AMBI TAU0 START 0.003127
HIERARCH ESO ISS AMBI TAU0 END 0.003127
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54