Exposure
ID
PIONI.2025-07-20T04:02:01.624_1
Header ID
PIONI.2025-07-20T04:02:01.624
Date updated
2025-07-20 04:10:46 UTC+0000
Release date
2025-07-20 04:02:01 UTC+0000
UTC Start
2025-07-20 04:02:01.624
UTC End
2025-07-20 04:02:27.224
MJD Start
60876.1680743503
MJD End
60876.1683706466
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002483
Ambient temperature (°C)
13.77
Seeing (arcsec)
1.13
Observation
ID
68807
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
51192
Name
HD 165634
RA
272.019636
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.0180 88.9880 124.1000 124.2000
A0-J2 125.5800 125.5130 100.6000 100.7000
A0-K0 123.7980 123.7260 78.1420 78.2020
G1-J2 56.4800 56.4520 61.7000 61.7000
G1-K0 89.0400 89.0210 32.1990 32.2460
J2-K0 48.6110 48.6110 357.3140 357.3760
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 60876.1680743503
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019636
DEC -28.45727
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.018
HIERARCH ESO ISS PBL12 END 88.988
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 125.58
HIERARCH ESO ISS PBL13 END 125.513
HIERARCH ESO ISS PBLA13 START 100.6
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 123.798
HIERARCH ESO ISS PBL14 END 123.726
HIERARCH ESO ISS PBLA14 START 78.142
HIERARCH ESO ISS PBLA14 END 78.202
HIERARCH ESO ISS PBL23 START 56.48
HIERARCH ESO ISS PBL23 END 56.452
HIERARCH ESO ISS PBLA23 START 61.7
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 89.04
HIERARCH ESO ISS PBL24 END 89.021
HIERARCH ESO ISS PBLA24 START 32.199
HIERARCH ESO ISS PBLA24 END 32.246
HIERARCH ESO ISS PBL34 START 48.611
HIERARCH ESO ISS PBL34 END 48.611
HIERARCH ESO ISS PBLA34 START 357.314
HIERARCH ESO ISS PBLA34 END 357.376
HIERARCH ESO ISS AMBI TAU0 START 0.002483
HIERARCH ESO ISS AMBI TAU0 END 0.002483
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 1.13
HIERARCH ESO ISS AMBI FWHM END 1.13