Exposure
ID
PIONI.2025-08-15T02:27:09.262_1
Header ID
PIONI.2025-08-15T02:27:09.262
Date updated
2025-08-15 02:35:34 UTC+0000
Release date
2025-08-15 02:27:09 UTC+0000
UTC Start
2025-08-15 02:27:09.261
UTC End
2025-08-15 02:27:34.861
MJD Start
60902.1021905262
MJD End
60902.1024868225
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002927
Ambient temperature (°C)
11.09
Seeing (arcsec)
0.83
Observation
ID
70013
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
51944
Name
HD 165634
RA
272.020899
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.9040 65.8620 280.3000 280.4000
K0-D0 92.1310 92.0700 258.9000 259.0000
K0-J3 56.5010 56.4990 341.2560 341.3340
G2-D0 39.0100 38.9970 221.0000 221.0000
G2-J3 62.6270 62.6000 48.2050 48.2540
D0-J3 101.4450 101.4050 45.4240 45.4730
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 60902.1021905262
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020899
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 65.904
HIERARCH ESO ISS PBL12 END 65.862
HIERARCH ESO ISS PBLA12 START 280.3
HIERARCH ESO ISS PBLA12 END 280.4
HIERARCH ESO ISS PBL13 START 92.131
HIERARCH ESO ISS PBL13 END 92.07
HIERARCH ESO ISS PBLA13 START 258.9
HIERARCH ESO ISS PBLA13 END 259.0
HIERARCH ESO ISS PBL14 START 56.501
HIERARCH ESO ISS PBL14 END 56.499
HIERARCH ESO ISS PBLA14 START 341.256
HIERARCH ESO ISS PBLA14 END 341.334
HIERARCH ESO ISS PBL23 START 39.01
HIERARCH ESO ISS PBL23 END 38.997
HIERARCH ESO ISS PBLA23 START 221.0
HIERARCH ESO ISS PBLA23 END 221.0
HIERARCH ESO ISS PBL24 START 62.627
HIERARCH ESO ISS PBL24 END 62.6
HIERARCH ESO ISS PBLA24 START 48.205
HIERARCH ESO ISS PBLA24 END 48.254
HIERARCH ESO ISS PBL34 START 101.445
HIERARCH ESO ISS PBL34 END 101.405
HIERARCH ESO ISS PBLA34 START 45.424
HIERARCH ESO ISS PBLA34 END 45.473
HIERARCH ESO ISS AMBI TAU0 START 0.002927
HIERARCH ESO ISS AMBI TAU0 END 0.002927
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83