Exposure
ID
PIONI.2025-07-25T04:08:46.615_1
Header ID
PIONI.2025-07-25T04:08:46.615
Date updated
2025-07-25 04:15:50 UTC+0000
Release date
2025-07-25 04:08:46 UTC+0000
UTC Start
2025-07-25 04:08:46.615
UTC End
2025-07-25 04:09:12.215
MJD Start
60881.1727617504
MJD End
60881.1730580467
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002869
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.505
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 25.0860 25.0830 154.0000 154.1000
A0-D0 29.9940 29.9690 81.0000 81.0000
A0-C1 21.8410 21.8300 128.0410 128.1350
B2-D0 33.0040 32.9940 34.3000 34.4000
B2-C1 10.9940 10.9910 34.2970 34.3430
D0-C1 22.0100 22.0030 214.3600 214.4060
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 60881.1727617504
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 25.086
HIERARCH ESO ISS PBL12 END 25.083
HIERARCH ESO ISS PBLA12 START 154.0
HIERARCH ESO ISS PBLA12 END 154.1
HIERARCH ESO ISS PBL13 START 29.994
HIERARCH ESO ISS PBL13 END 29.969
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 21.841
HIERARCH ESO ISS PBL14 END 21.83
HIERARCH ESO ISS PBLA14 START 128.041
HIERARCH ESO ISS PBLA14 END 128.135
HIERARCH ESO ISS PBL23 START 33.004
HIERARCH ESO ISS PBL23 END 32.994
HIERARCH ESO ISS PBLA23 START 34.3
HIERARCH ESO ISS PBLA23 END 34.4
HIERARCH ESO ISS PBL24 START 10.994
HIERARCH ESO ISS PBL24 END 10.991
HIERARCH ESO ISS PBLA24 START 34.297
HIERARCH ESO ISS PBLA24 END 34.343
HIERARCH ESO ISS PBL34 START 22.01
HIERARCH ESO ISS PBL34 END 22.003
HIERARCH ESO ISS PBLA34 START 214.36
HIERARCH ESO ISS PBLA34 END 214.406
HIERARCH ESO ISS AMBI TAU0 START 0.002977
HIERARCH ESO ISS AMBI TAU0 END 0.002761
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.5