Exposure
ID
PIONI.2025-06-16T04:41:03.718_1
Header ID
PIONI.2025-06-16T04:41:03.718
Date updated
2025-06-16 04:57:02 UTC+0000
Release date
2025-06-16 04:41:03 UTC+0000
UTC Start
2025-06-16 04:41:03.718
UTC End
2025-06-16 04:41:29.318
MJD Start
60842.1951819188
MJD End
60842.1954782151
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0023915
Ambient temperature (°C)
6.79
Seeing (arcsec)
1.55
Observation
ID
68116
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
50632
Name
eps Sgr
RA
276.041375
DEC
-34.38532
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 88.0750 88.1170 109.5000 109.6000
A0-J2 127.1580 127.2070 86.0000 86.1000
A0-K0 127.2950 127.3200 64.4600 64.5500
G1-J2 58.1860 58.1900 48.9000 49.0000
G1-K0 90.1640 90.1580 20.6920 20.7670
J2-K0 47.6430 47.6490 345.4160 345.4760
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 60842.1951819188
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
DEC -34.38532
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 88.075
HIERARCH ESO ISS PBL12 END 88.117
HIERARCH ESO ISS PBLA12 START 109.5
HIERARCH ESO ISS PBLA12 END 109.6
HIERARCH ESO ISS PBL13 START 127.158
HIERARCH ESO ISS PBL13 END 127.207
HIERARCH ESO ISS PBLA13 START 86.0
HIERARCH ESO ISS PBLA13 END 86.1
HIERARCH ESO ISS PBL14 START 127.295
HIERARCH ESO ISS PBL14 END 127.32
HIERARCH ESO ISS PBLA14 START 64.46
HIERARCH ESO ISS PBLA14 END 64.55
HIERARCH ESO ISS PBL23 START 58.186
HIERARCH ESO ISS PBL23 END 58.19
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 90.164
HIERARCH ESO ISS PBL24 END 90.158
HIERARCH ESO ISS PBLA24 START 20.692
HIERARCH ESO ISS PBLA24 END 20.767
HIERARCH ESO ISS PBL34 START 47.643
HIERARCH ESO ISS PBL34 END 47.649
HIERARCH ESO ISS PBLA34 START 345.416
HIERARCH ESO ISS PBLA34 END 345.476
HIERARCH ESO ISS AMBI TAU0 START 0.002448
HIERARCH ESO ISS AMBI TAU0 END 0.002335
HIERARCH ESO ISS AMBI TEMP 6.79
HIERARCH ESO ISS AMBI FWHM START 1.52
HIERARCH ESO ISS AMBI FWHM END 1.58