Exposure
ID
PIONI.2025-07-25T06:34:50.748_1
Header ID
PIONI.2025-07-25T06:34:50.748
Date updated
2025-07-25 06:40:54 UTC+0000
Release date
2025-07-25 06:34:50 UTC+0000
UTC Start
2025-07-25 06:34:50.748
UTC End
2025-07-25 06:35:16.348
MJD Start
60881.2741984734
MJD End
60881.2744947697
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004548
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.565
Observation
ID
68967
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.4010 24.4010 178.3000 178.4000
A0-D0 19.4980 19.4400 98.8000 98.9000
A0-C1 18.5830 18.5720 158.2180 158.3750
B2-D0 28.3170 28.2890 40.9000 40.9000
B2-C1 9.4360 9.4260 40.8950 40.9010
D0-C1 18.8820 18.8630 220.9510 220.9560
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 60881.2741984734
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 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 24.401
HIERARCH ESO ISS PBL12 END 24.401
HIERARCH ESO ISS PBLA12 START 178.3
HIERARCH ESO ISS PBLA12 END 178.4
HIERARCH ESO ISS PBL13 START 19.498
HIERARCH ESO ISS PBL13 END 19.44
HIERARCH ESO ISS PBLA13 START 98.8
HIERARCH ESO ISS PBLA13 END 98.9
HIERARCH ESO ISS PBL14 START 18.583
HIERARCH ESO ISS PBL14 END 18.572
HIERARCH ESO ISS PBLA14 START 158.218
HIERARCH ESO ISS PBLA14 END 158.375
HIERARCH ESO ISS PBL23 START 28.317
HIERARCH ESO ISS PBL23 END 28.289
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 9.436
HIERARCH ESO ISS PBL24 END 9.426
HIERARCH ESO ISS PBLA24 START 40.895
HIERARCH ESO ISS PBLA24 END 40.901
HIERARCH ESO ISS PBL34 START 18.882
HIERARCH ESO ISS PBL34 END 18.863
HIERARCH ESO ISS PBLA34 START 220.951
HIERARCH ESO ISS PBLA34 END 220.956
HIERARCH ESO ISS AMBI TAU0 START 0.004548
HIERARCH ESO ISS AMBI TAU0 END 0.004548
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.59