Exposure
ID
PIONI.2025-06-24T07:34:32.744_1
Header ID
PIONI.2025-06-24T07:34:32.744
Date updated
2025-06-24 07:40:56 UTC+0000
Release date
2025-06-24 07:34:32 UTC+0000
UTC Start
2025-06-24 07:34:32.744
UTC End
2025-06-24 07:34:58.344
MJD Start
60850.3156567626
MJD End
60850.3159530589
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00315
Ambient temperature (°C)
10.99
Seeing (arcsec)
0.67
Observation
ID
68228
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
50631
Name
HD 165634
RA
272.019635
DEC
-28.45727
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 24.5900 24.5870 167.3000 167.4000
A0-D0 24.9350 24.8890 90.3000 90.3000
A0-C1 19.9630 19.9480 143.4180 143.5460
B2-D0 30.8590 30.8390 39.3000 39.3000
B2-C1 10.2810 10.2740 39.2640 39.2890
D0-C1 20.5780 20.5640 219.3240 219.3490
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 60850.3156567626
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
DEC -28.45727
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 24.59
HIERARCH ESO ISS PBL12 END 24.587
HIERARCH ESO ISS PBLA12 START 167.3
HIERARCH ESO ISS PBLA12 END 167.4
HIERARCH ESO ISS PBL13 START 24.935
HIERARCH ESO ISS PBL13 END 24.889
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 19.963
HIERARCH ESO ISS PBL14 END 19.948
HIERARCH ESO ISS PBLA14 START 143.418
HIERARCH ESO ISS PBLA14 END 143.546
HIERARCH ESO ISS PBL23 START 30.859
HIERARCH ESO ISS PBL23 END 30.839
HIERARCH ESO ISS PBLA23 START 39.3
HIERARCH ESO ISS PBLA23 END 39.3
HIERARCH ESO ISS PBL24 START 10.281
HIERARCH ESO ISS PBL24 END 10.274
HIERARCH ESO ISS PBLA24 START 39.264
HIERARCH ESO ISS PBLA24 END 39.289
HIERARCH ESO ISS PBL34 START 20.578
HIERARCH ESO ISS PBL34 END 20.564
HIERARCH ESO ISS PBLA34 START 219.324
HIERARCH ESO ISS PBLA34 END 219.349
HIERARCH ESO ISS AMBI TAU0 START 0.00315
HIERARCH ESO ISS AMBI TAU0 END 0.00315
HIERARCH ESO ISS AMBI TEMP 10.99
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67