Exposure
ID
PIONI.2025-06-24T07:59:40.541_1
Header ID
PIONI.2025-06-24T07:59:40.541
Date updated
2025-06-24 08:05:51 UTC+0000
Release date
2025-06-24 07:59:40 UTC+0000
UTC Start
2025-06-24 07:59:40.540
UTC End
2025-06-24 08:00:06.140
MJD Start
60850.3331081076
MJD End
60850.3334044039
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00366
Ambient temperature (°C)
11.09
Seeing (arcsec)
0.85
Observation
ID
68230
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0400 25.0390 169.1000 169.2000
A0-D0 24.3720 24.3280 96.4000 96.5000
A0-C1 20.6190 20.6080 147.0340 147.1650
B2-D0 29.2900 29.2650 41.7000 41.8000
B2-C1 9.7580 9.7500 41.6750 41.7080
D0-C1 19.5310 19.5150 221.7400 221.7720
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 60850.3331081076
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 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 25.04
HIERARCH ESO ISS PBL12 END 25.039
HIERARCH ESO ISS PBLA12 START 169.1
HIERARCH ESO ISS PBLA12 END 169.2
HIERARCH ESO ISS PBL13 START 24.372
HIERARCH ESO ISS PBL13 END 24.328
HIERARCH ESO ISS PBLA13 START 96.4
HIERARCH ESO ISS PBLA13 END 96.5
HIERARCH ESO ISS PBL14 START 20.619
HIERARCH ESO ISS PBL14 END 20.608
HIERARCH ESO ISS PBLA14 START 147.034
HIERARCH ESO ISS PBLA14 END 147.165
HIERARCH ESO ISS PBL23 START 29.29
HIERARCH ESO ISS PBL23 END 29.265
HIERARCH ESO ISS PBLA23 START 41.7
HIERARCH ESO ISS PBLA23 END 41.8
HIERARCH ESO ISS PBL24 START 9.758
HIERARCH ESO ISS PBL24 END 9.75
HIERARCH ESO ISS PBLA24 START 41.675
HIERARCH ESO ISS PBLA24 END 41.708
HIERARCH ESO ISS PBL34 START 19.531
HIERARCH ESO ISS PBL34 END 19.515
HIERARCH ESO ISS PBLA34 START 221.74
HIERARCH ESO ISS PBLA34 END 221.772
HIERARCH ESO ISS AMBI TAU0 START 0.00366
HIERARCH ESO ISS AMBI TAU0 END 0.00366
HIERARCH ESO ISS AMBI TEMP 11.09
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85