Exposure
ID
PIONI.2025-06-24T07:57:47.866_1
Header ID
PIONI.2025-06-24T07:57:47.866
Date updated
2025-06-24 08:05:51 UTC+0000
Release date
2025-06-24 07:57:47 UTC+0000
UTC Start
2025-06-24 07:57:47.867
UTC End
2025-06-24 07:58:13.467
MJD Start
60850.3318040124
MJD End
60850.3321003087
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00366
Ambient temperature (°C)
11.0
Seeing (arcsec)
0.8200000000000001
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 25.0450 25.0440 168.8000 168.9000
A0-D0 24.5120 24.4670 96.1000 96.2000
A0-C1 20.6530 20.6420 146.6240 146.7550
B2-D0 29.3670 29.3420 41.6000 41.7000
B2-C1 9.7840 9.7760 41.5810 41.6120
D0-C1 19.5830 19.5660 221.6450 221.6760
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 60850.3318040124
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 25.045
HIERARCH ESO ISS PBL12 END 25.044
HIERARCH ESO ISS PBLA12 START 168.8
HIERARCH ESO ISS PBLA12 END 168.9
HIERARCH ESO ISS PBL13 START 24.512
HIERARCH ESO ISS PBL13 END 24.467
HIERARCH ESO ISS PBLA13 START 96.1
HIERARCH ESO ISS PBLA13 END 96.2
HIERARCH ESO ISS PBL14 START 20.653
HIERARCH ESO ISS PBL14 END 20.642
HIERARCH ESO ISS PBLA14 START 146.624
HIERARCH ESO ISS PBLA14 END 146.755
HIERARCH ESO ISS PBL23 START 29.367
HIERARCH ESO ISS PBL23 END 29.342
HIERARCH ESO ISS PBLA23 START 41.6
HIERARCH ESO ISS PBLA23 END 41.7
HIERARCH ESO ISS PBL24 START 9.784
HIERARCH ESO ISS PBL24 END 9.776
HIERARCH ESO ISS PBLA24 START 41.581
HIERARCH ESO ISS PBLA24 END 41.612
HIERARCH ESO ISS PBL34 START 19.583
HIERARCH ESO ISS PBL34 END 19.566
HIERARCH ESO ISS PBLA34 START 221.645
HIERARCH ESO ISS PBLA34 END 221.676
HIERARCH ESO ISS AMBI TAU0 START 0.00366
HIERARCH ESO ISS AMBI TAU0 END 0.00366
HIERARCH ESO ISS AMBI TEMP 11.0
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.85