Exposure
ID
PIONI.2025-06-24T07:59:02.880_1
Header ID
PIONI.2025-06-24T07:59:02.880
Date updated
2025-06-24 08:05:51 UTC+0000
Release date
2025-06-24 07:59:02 UTC+0000
UTC Start
2025-06-24 07:59:02.880
UTC End
2025-06-24 07:59:28.480
MJD Start
60850.3326722188
MJD End
60850.3329685151
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00366
Ambient temperature (°C)
11.03
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 25.0420 25.0400 169.0000 169.1000
A0-D0 24.4190 24.3740 96.3000 96.4000
A0-C1 20.6300 20.6190 146.8950 147.0270
B2-D0 29.3160 29.2910 41.7000 41.7000
B2-C1 9.7670 9.7590 41.6430 41.6740
D0-C1 19.5480 19.5320 221.7080 221.7380
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 60850.3326722188
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 25.042
HIERARCH ESO ISS PBL12 END 25.04
HIERARCH ESO ISS PBLA12 START 169.0
HIERARCH ESO ISS PBLA12 END 169.1
HIERARCH ESO ISS PBL13 START 24.419
HIERARCH ESO ISS PBL13 END 24.374
HIERARCH ESO ISS PBLA13 START 96.3
HIERARCH ESO ISS PBLA13 END 96.4
HIERARCH ESO ISS PBL14 START 20.63
HIERARCH ESO ISS PBL14 END 20.619
HIERARCH ESO ISS PBLA14 START 146.895
HIERARCH ESO ISS PBLA14 END 147.027
HIERARCH ESO ISS PBL23 START 29.316
HIERARCH ESO ISS PBL23 END 29.291
HIERARCH ESO ISS PBLA23 START 41.7
HIERARCH ESO ISS PBLA23 END 41.7
HIERARCH ESO ISS PBL24 START 9.767
HIERARCH ESO ISS PBL24 END 9.759
HIERARCH ESO ISS PBLA24 START 41.643
HIERARCH ESO ISS PBLA24 END 41.674
HIERARCH ESO ISS PBL34 START 19.548
HIERARCH ESO ISS PBL34 END 19.532
HIERARCH ESO ISS PBLA34 START 221.708
HIERARCH ESO ISS PBLA34 END 221.738
HIERARCH ESO ISS AMBI TAU0 START 0.00366
HIERARCH ESO ISS AMBI TAU0 END 0.00366
HIERARCH ESO ISS AMBI TEMP 11.03
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.85