Exposure
ID
PIONI.2025-07-25T04:34:32.462_1
Header ID
PIONI.2025-07-25T04:34:32.462
Date updated
2025-07-25 04:40:54 UTC+0000
Release date
2025-07-25 04:34:32 UTC+0000
UTC Start
2025-07-25 04:34:32.461
UTC End
2025-07-25 04:34:58.061
MJD Start
60881.1906534894
MJD End
60881.1909497857
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003149
Ambient temperature (°C)
12.53
Seeing (arcsec)
0.57
Observation
ID
68969
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
51193
Name
eps Sgr
RA
276.041374
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 25.2650 25.2640 155.6000 155.7000
A0-D0 29.4130 29.3860 84.5000 84.6000
A0-C1 22.0480 22.0400 130.7730 130.8760
B2-D0 31.9940 31.9800 36.1000 36.2000
B2-C1 10.6580 10.6530 36.0680 36.1170
D0-C1 21.3360 21.3270 216.1330 216.1830
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 60881.1906534894
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
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 25.265
HIERARCH ESO ISS PBL12 END 25.264
HIERARCH ESO ISS PBLA12 START 155.6
HIERARCH ESO ISS PBLA12 END 155.7
HIERARCH ESO ISS PBL13 START 29.413
HIERARCH ESO ISS PBL13 END 29.386
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 22.048
HIERARCH ESO ISS PBL14 END 22.04
HIERARCH ESO ISS PBLA14 START 130.773
HIERARCH ESO ISS PBLA14 END 130.876
HIERARCH ESO ISS PBL23 START 31.994
HIERARCH ESO ISS PBL23 END 31.98
HIERARCH ESO ISS PBLA23 START 36.1
HIERARCH ESO ISS PBLA23 END 36.2
HIERARCH ESO ISS PBL24 START 10.658
HIERARCH ESO ISS PBL24 END 10.653
HIERARCH ESO ISS PBLA24 START 36.068
HIERARCH ESO ISS PBLA24 END 36.117
HIERARCH ESO ISS PBL34 START 21.336
HIERARCH ESO ISS PBL34 END 21.327
HIERARCH ESO ISS PBLA34 START 216.133
HIERARCH ESO ISS PBLA34 END 216.183
HIERARCH ESO ISS AMBI TAU0 START 0.003149
HIERARCH ESO ISS AMBI TAU0 END 0.003149
HIERARCH ESO ISS AMBI TEMP 12.53
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57