Exposure
ID
PIONI.2025-08-22T01:59:37.605_1
Header ID
PIONI.2025-08-22T01:59:37.605
Date updated
2025-08-22 02:06:39 UTC+0000
Release date
2025-08-22 01:59:37 UTC+0000
UTC Start
2025-08-22 01:59:37.604
UTC End
2025-08-22 02:00:03.204
MJD Start
60909.0830741255
MJD End
60909.083370421795
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002151
Ambient temperature (°C)
7.54
Seeing (arcsec)
1.76
Observation
ID
70064
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
51947
Name
eps Sgr
RA
276.04272
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 65.9090 65.8760 57.3000 57.4000
A0-J2 126.9820 126.9310 100.6000 100.7000
A0-J3 127.7020 127.6420 52.7280 52.7920
G2-J2 91.0160 91.0060 130.4000 130.5000
G2-J3 62.2340 62.2070 47.8340 47.8960
J2-J3 103.4020 103.4070 347.0450 347.1170
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 60909.0830741255
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.04272
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 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 65.909
HIERARCH ESO ISS PBL12 END 65.876
HIERARCH ESO ISS PBLA12 START 57.3
HIERARCH ESO ISS PBLA12 END 57.4
HIERARCH ESO ISS PBL13 START 126.982
HIERARCH ESO ISS PBL13 END 126.931
HIERARCH ESO ISS PBLA13 START 100.6
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 127.702
HIERARCH ESO ISS PBL14 END 127.642
HIERARCH ESO ISS PBLA14 START 52.728
HIERARCH ESO ISS PBLA14 END 52.792
HIERARCH ESO ISS PBL23 START 91.016
HIERARCH ESO ISS PBL23 END 91.006
HIERARCH ESO ISS PBLA23 START 130.4
HIERARCH ESO ISS PBLA23 END 130.5
HIERARCH ESO ISS PBL24 START 62.234
HIERARCH ESO ISS PBL24 END 62.207
HIERARCH ESO ISS PBLA24 START 47.834
HIERARCH ESO ISS PBLA24 END 47.896
HIERARCH ESO ISS PBL34 START 103.402
HIERARCH ESO ISS PBL34 END 103.407
HIERARCH ESO ISS PBLA34 START 347.045
HIERARCH ESO ISS PBLA34 END 347.117
HIERARCH ESO ISS AMBI TAU0 START 0.002151
HIERARCH ESO ISS AMBI TAU0 END 0.002151
HIERARCH ESO ISS AMBI TEMP 7.54
HIERARCH ESO ISS AMBI FWHM START 1.76
HIERARCH ESO ISS AMBI FWHM END 1.76