Exposure
ID
PIONI.2025-07-25T06:48:06.468_1
Header ID
PIONI.2025-07-25T06:48:06.468
Date updated
2025-07-25 06:55:44 UTC+0000
Release date
2025-07-25 06:48:06 UTC+0000
UTC Start
2025-07-25 06:48:06.468
UTC End
2025-07-25 06:48:32.068
MJD Start
60881.2834081971
MJD End
60881.2837044934
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0040415
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.6799999999999999
Observation
ID
68968
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
51310
Name
HD 168592
RA
275.575662
DEC
-38.65706
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 25.1980 25.1980 178.2000 178.3000
A0-D0 20.7360 20.6890 110.9000 111.0000
A0-C1 20.4750 20.4690 160.0460 160.1920
B2-D0 25.7330 25.7010 46.2000 46.3000
B2-C1 8.5750 8.5640 46.1800 46.2040
D0-C1 17.1580 17.1370 226.2500 226.2740
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 60881.2834081971
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 168592
RA 275.575662
DEC -38.65706
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 25.198
HIERARCH ESO ISS PBL12 END 25.198
HIERARCH ESO ISS PBLA12 START 178.2
HIERARCH ESO ISS PBLA12 END 178.3
HIERARCH ESO ISS PBL13 START 20.736
HIERARCH ESO ISS PBL13 END 20.689
HIERARCH ESO ISS PBLA13 START 110.9
HIERARCH ESO ISS PBLA13 END 111.0
HIERARCH ESO ISS PBL14 START 20.475
HIERARCH ESO ISS PBL14 END 20.469
HIERARCH ESO ISS PBLA14 START 160.046
HIERARCH ESO ISS PBLA14 END 160.192
HIERARCH ESO ISS PBL23 START 25.733
HIERARCH ESO ISS PBL23 END 25.701
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 46.3
HIERARCH ESO ISS PBL24 START 8.575
HIERARCH ESO ISS PBL24 END 8.564
HIERARCH ESO ISS PBLA24 START 46.18
HIERARCH ESO ISS PBLA24 END 46.204
HIERARCH ESO ISS PBL34 START 17.158
HIERARCH ESO ISS PBL34 END 17.137
HIERARCH ESO ISS PBLA34 START 226.25
HIERARCH ESO ISS PBLA34 END 226.274
HIERARCH ESO ISS AMBI TAU0 START 0.003628
HIERARCH ESO ISS AMBI TAU0 END 0.004455
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.72