Exposure
ID
PIONI.2025-08-17T02:16:18.882_1
Header ID
PIONI.2025-08-17T02:16:18.882
Date updated
2025-08-17 02:20:53 UTC+0000
Release date
2025-08-17 02:16:18 UTC+0000
UTC Start
2025-08-17 02:16:18.883
UTC End
2025-08-17 02:16:44.483
MJD Start
60904.0946629937
MJD End
60904.09495929
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.001352
Ambient temperature (°C)
11.31
Seeing (arcsec)
1.57
Observation
ID
70016
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
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.2370 67.2100 279.0000 279.0000
K0-D0 93.3500 93.3030 258.2000 258.3000
K0-J3 56.4060 56.4100 338.7830 338.8590
G2-D0 38.7090 38.6950 220.1000 220.2000
G2-J3 62.3660 62.3400 47.5300 47.5930
D0-J3 100.8760 100.8360 44.7020 44.7640
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 60904.0946629937
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 67.237
HIERARCH ESO ISS PBL12 END 67.21
HIERARCH ESO ISS PBLA12 START 279.0
HIERARCH ESO ISS PBLA12 END 279.0
HIERARCH ESO ISS PBL13 START 93.35
HIERARCH ESO ISS PBL13 END 93.303
HIERARCH ESO ISS PBLA13 START 258.2
HIERARCH ESO ISS PBLA13 END 258.3
HIERARCH ESO ISS PBL14 START 56.406
HIERARCH ESO ISS PBL14 END 56.41
HIERARCH ESO ISS PBLA14 START 338.783
HIERARCH ESO ISS PBLA14 END 338.859
HIERARCH ESO ISS PBL23 START 38.709
HIERARCH ESO ISS PBL23 END 38.695
HIERARCH ESO ISS PBLA23 START 220.1
HIERARCH ESO ISS PBLA23 END 220.2
HIERARCH ESO ISS PBL24 START 62.366
HIERARCH ESO ISS PBL24 END 62.34
HIERARCH ESO ISS PBLA24 START 47.53
HIERARCH ESO ISS PBLA24 END 47.593
HIERARCH ESO ISS PBL34 START 100.876
HIERARCH ESO ISS PBL34 END 100.836
HIERARCH ESO ISS PBLA34 START 44.702
HIERARCH ESO ISS PBLA34 END 44.764
HIERARCH ESO ISS AMBI TAU0 START 0.001447
HIERARCH ESO ISS AMBI TAU0 END 0.001257
HIERARCH ESO ISS AMBI TEMP 11.31
HIERARCH ESO ISS AMBI FWHM START 1.57
HIERARCH ESO ISS AMBI FWHM END 1.57