Exposure
ID
GRAVI.2025-01-28T05:15:53.167_1
Header ID
GRAVI.2025-01-28T05:15:53.167
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-01-28 05:15:53 UTC+0000
UTC Start
2025-01-28 05:15:53.167
UTC End
2025-01-28 05:19:05.167
MJD Start
60703.21936536
MJD End
60703.22158758222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006566
Ambient temperature (°C)
17.22
Seeing (arcsec)
0.9
Observation
ID
62219
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46280
Name
HD_50235
RA
102.715459
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1820 25.1710 160.9000 161.5000
A0-D0 27.6700 27.4530 89.1000 89.6000
A0-C1 21.5210 21.4570 136.8820 137.5910
B2-D0 31.0670 30.9520 38.7000 39.0000
B2-C1 10.3500 10.3110 38.6530 38.9120
D0-C1 20.7170 20.6400 218.7180 218.9770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60703.21936536
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715459
DEC -34.36731
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 25.182
HIERARCH ESO ISS PBL12 END 25.171
HIERARCH ESO ISS PBLA12 START 160.9
HIERARCH ESO ISS PBLA12 END 161.5
HIERARCH ESO ISS PBL13 START 27.67
HIERARCH ESO ISS PBL13 END 27.453
HIERARCH ESO ISS PBLA13 START 89.1
HIERARCH ESO ISS PBLA13 END 89.6
HIERARCH ESO ISS PBL14 START 21.521
HIERARCH ESO ISS PBL14 END 21.457
HIERARCH ESO ISS PBLA14 START 136.882
HIERARCH ESO ISS PBLA14 END 137.591
HIERARCH ESO ISS PBL23 START 31.067
HIERARCH ESO ISS PBL23 END 30.952
HIERARCH ESO ISS PBLA23 START 38.7
HIERARCH ESO ISS PBLA23 END 39.0
HIERARCH ESO ISS PBL24 START 10.35
HIERARCH ESO ISS PBL24 END 10.311
HIERARCH ESO ISS PBLA24 START 38.653
HIERARCH ESO ISS PBLA24 END 38.912
HIERARCH ESO ISS PBL34 START 20.717
HIERARCH ESO ISS PBL34 END 20.64
HIERARCH ESO ISS PBLA34 START 218.718
HIERARCH ESO ISS PBLA34 END 218.977
HIERARCH ESO ISS AMBI TAU0 START 0.006566
HIERARCH ESO ISS AMBI TAU0 END 0.006566
HIERARCH ESO ISS AMBI TEMP 17.22
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9