Exposure
ID
PIONI.2025-07-17T01:06:49.455_1
Header ID
PIONI.2025-07-17T01:06:49.455
Date updated
2025-07-17 01:10:56 UTC+0000
Release date
2025-07-17 01:06:49 UTC+0000
UTC Start
2025-07-17 01:06:49.455
UTC End
2025-07-17 01:07:15.055
MJD Start
60873.0464057256
MJD End
60873.0467020219
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004312
Ambient temperature (°C)
13.38
Seeing (arcsec)
0.78
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 80.4030 80.4960 103.3000 103.4000
A0-J2 114.8730 115.0060 77.2000 77.3000
A0-K0 117.8730 117.9650 53.5380 53.6420
G1-J2 55.4880 55.5130 37.5000 37.6000
G1-K0 90.1030 90.1060 10.5900 10.6740
J2-K0 47.7410 47.7480 338.8810 338.9280
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 60873.0464057256
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 80.403
HIERARCH ESO ISS PBL12 END 80.496
HIERARCH ESO ISS PBLA12 START 103.3
HIERARCH ESO ISS PBLA12 END 103.4
HIERARCH ESO ISS PBL13 START 114.873
HIERARCH ESO ISS PBL13 END 115.006
HIERARCH ESO ISS PBLA13 START 77.2
HIERARCH ESO ISS PBLA13 END 77.3
HIERARCH ESO ISS PBL14 START 117.873
HIERARCH ESO ISS PBL14 END 117.965
HIERARCH ESO ISS PBLA14 START 53.538
HIERARCH ESO ISS PBLA14 END 53.642
HIERARCH ESO ISS PBL23 START 55.488
HIERARCH ESO ISS PBL23 END 55.513
HIERARCH ESO ISS PBLA23 START 37.5
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 90.103
HIERARCH ESO ISS PBL24 END 90.106
HIERARCH ESO ISS PBLA24 START 10.59
HIERARCH ESO ISS PBLA24 END 10.674
HIERARCH ESO ISS PBL34 START 47.741
HIERARCH ESO ISS PBL34 END 47.748
HIERARCH ESO ISS PBLA34 START 338.881
HIERARCH ESO ISS PBLA34 END 338.928
HIERARCH ESO ISS AMBI TAU0 START 0.004312
HIERARCH ESO ISS AMBI TAU0 END 0.004312
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.78