Exposure
ID
PIONI.2025-07-22T03:41:10.073_1
Header ID
PIONI.2025-07-22T03:41:10.073
Date updated
2025-07-22 05:25:54 UTC+0000
Release date
2025-07-22 03:41:10 UTC+0000
UTC Start
2025-07-22 03:41:10.073
UTC End
2025-07-22 03:41:35.673
MJD Start
60878.1535888086
MJD End
60878.1538851049
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0059025
Ambient temperature (°C)
14.03
Seeing (arcsec)
0.86
Observation
ID
68807
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.6250 89.6000 122.3000 122.4000
A0-J2 126.9320 126.8770 98.9000 99.0000
A0-K0 125.2350 125.1740 76.7350 76.7990
G1-J2 57.0460 57.0220 60.4000 60.5000
G1-K0 89.4320 89.4150 31.0530 31.1050
J2-K0 48.6050 48.6050 355.8780 355.9420
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 60878.1535888086
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.625
HIERARCH ESO ISS PBL12 END 89.6
HIERARCH ESO ISS PBLA12 START 122.3
HIERARCH ESO ISS PBLA12 END 122.4
HIERARCH ESO ISS PBL13 START 126.932
HIERARCH ESO ISS PBL13 END 126.877
HIERARCH ESO ISS PBLA13 START 98.9
HIERARCH ESO ISS PBLA13 END 99.0
HIERARCH ESO ISS PBL14 START 125.235
HIERARCH ESO ISS PBL14 END 125.174
HIERARCH ESO ISS PBLA14 START 76.735
HIERARCH ESO ISS PBLA14 END 76.799
HIERARCH ESO ISS PBL23 START 57.046
HIERARCH ESO ISS PBL23 END 57.022
HIERARCH ESO ISS PBLA23 START 60.4
HIERARCH ESO ISS PBLA23 END 60.5
HIERARCH ESO ISS PBL24 START 89.432
HIERARCH ESO ISS PBL24 END 89.415
HIERARCH ESO ISS PBLA24 START 31.053
HIERARCH ESO ISS PBLA24 END 31.105
HIERARCH ESO ISS PBL34 START 48.605
HIERARCH ESO ISS PBL34 END 48.605
HIERARCH ESO ISS PBLA34 START 355.878
HIERARCH ESO ISS PBLA34 END 355.942
HIERARCH ESO ISS AMBI TAU0 START 0.006847
HIERARCH ESO ISS AMBI TAU0 END 0.004958
HIERARCH ESO ISS AMBI TEMP 14.03
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.86