Exposure
ID
PIONI.2025-07-25T04:22:15.106_1
Header ID
PIONI.2025-07-25T04:22:15.106
Date updated
2025-07-25 04:30:56 UTC+0000
Release date
2025-07-25 04:22:15 UTC+0000
UTC Start
2025-07-25 04:22:15.106
UTC End
2025-07-25 04:22:40.706
MJD Start
60881.1821192792
MJD End
60881.182415575495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003591
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.55
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 25.2860 25.2870 154.1000 154.2000
A0-D0 29.7760 29.7520 84.7000 84.8000
A0-C1 22.3710 22.3650 129.5660 129.6710
B2-D0 31.5360 31.5210 36.1000 36.2000
B2-C1 10.5050 10.5000 36.0860 36.1420
D0-C1 21.0310 21.0210 216.1540 216.2100
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 60881.1821192792
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 25.286
HIERARCH ESO ISS PBL12 END 25.287
HIERARCH ESO ISS PBLA12 START 154.1
HIERARCH ESO ISS PBLA12 END 154.2
HIERARCH ESO ISS PBL13 START 29.776
HIERARCH ESO ISS PBL13 END 29.752
HIERARCH ESO ISS PBLA13 START 84.7
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 22.371
HIERARCH ESO ISS PBL14 END 22.365
HIERARCH ESO ISS PBLA14 START 129.566
HIERARCH ESO ISS PBLA14 END 129.671
HIERARCH ESO ISS PBL23 START 31.536
HIERARCH ESO ISS PBL23 END 31.521
HIERARCH ESO ISS PBLA23 START 36.1
HIERARCH ESO ISS PBLA23 END 36.2
HIERARCH ESO ISS PBL24 START 10.505
HIERARCH ESO ISS PBL24 END 10.5
HIERARCH ESO ISS PBLA24 START 36.086
HIERARCH ESO ISS PBLA24 END 36.142
HIERARCH ESO ISS PBL34 START 21.031
HIERARCH ESO ISS PBL34 END 21.021
HIERARCH ESO ISS PBLA34 START 216.154
HIERARCH ESO ISS PBLA34 END 216.21
HIERARCH ESO ISS AMBI TAU0 START 0.003591
HIERARCH ESO ISS AMBI TAU0 END 0.003591
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55