Exposure
ID
PIONI.2025-08-14T03:53:16.269_1
Header ID
PIONI.2025-08-14T03:53:16.269
Date updated
2025-08-14 04:00:58 UTC+0000
Release date
2025-08-14 03:53:16 UTC+0000
UTC Start
2025-08-14 03:53:16.269
UTC End
2025-08-14 03:53:41.869
MJD Start
60901.1619938505
MJD End
60901.1622901468
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009776
Ambient temperature (°C)
14.45
Seeing (arcsec)
0.95
Observation
ID
69989
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
51928
Name
HD 165634
RA
272.020268
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 102.6630 102.5150 254.3000 254.4000
K0-D0 79.3440 79.2190 267.8000 267.9000
K0-J3 56.1650 56.1630 352.6250 352.7120
B2-D0 31.5270 31.5090 38.3000 38.4000
B2-J3 123.9290 123.8270 47.6860 47.7150
D0-J3 92.9610 92.8760 50.8410 50.8700
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 60901.1619938505
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020268
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 B2
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 102.663
HIERARCH ESO ISS PBL12 END 102.515
HIERARCH ESO ISS PBLA12 START 254.3
HIERARCH ESO ISS PBLA12 END 254.4
HIERARCH ESO ISS PBL13 START 79.344
HIERARCH ESO ISS PBL13 END 79.219
HIERARCH ESO ISS PBLA13 START 267.8
HIERARCH ESO ISS PBLA13 END 267.9
HIERARCH ESO ISS PBL14 START 56.165
HIERARCH ESO ISS PBL14 END 56.163
HIERARCH ESO ISS PBLA14 START 352.625
HIERARCH ESO ISS PBLA14 END 352.712
HIERARCH ESO ISS PBL23 START 31.527
HIERARCH ESO ISS PBL23 END 31.509
HIERARCH ESO ISS PBLA23 START 38.3
HIERARCH ESO ISS PBLA23 END 38.4
HIERARCH ESO ISS PBL24 START 123.929
HIERARCH ESO ISS PBL24 END 123.827
HIERARCH ESO ISS PBLA24 START 47.686
HIERARCH ESO ISS PBLA24 END 47.715
HIERARCH ESO ISS PBL34 START 92.961
HIERARCH ESO ISS PBL34 END 92.876
HIERARCH ESO ISS PBLA34 START 50.841
HIERARCH ESO ISS PBLA34 END 50.87
HIERARCH ESO ISS AMBI TAU0 START 0.009776
HIERARCH ESO ISS AMBI TAU0 END 0.009776
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95