Exposure
ID
GRAVI.2025-01-28T04:59:23.125_1
Header ID
GRAVI.2025-01-28T04:59:23.125
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-01-28 04:59:23 UTC+0000
UTC Start
2025-01-28 04:59:23.125
UTC End
2025-01-28 05:02:35.125
MJD Start
60703.20790654
MJD End
60703.21012876223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0068085
Ambient temperature (°C)
17.23
Seeing (arcsec)
0.785
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 25.2270 25.2170 158.3000 158.8000
A0-D0 28.5780 28.3830 86.8000 87.3000
A0-C1 21.7950 21.7350 133.8120 134.4870
B2-D0 31.5480 31.4450 37.5000 37.8000
B2-C1 10.5100 10.4750 37.4360 37.7170
D0-C1 21.0380 20.9700 217.5020 217.7830
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 60703.20790654
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 25.227
HIERARCH ESO ISS PBL12 END 25.217
HIERARCH ESO ISS PBLA12 START 158.3
HIERARCH ESO ISS PBLA12 END 158.8
HIERARCH ESO ISS PBL13 START 28.578
HIERARCH ESO ISS PBL13 END 28.383
HIERARCH ESO ISS PBLA13 START 86.8
HIERARCH ESO ISS PBLA13 END 87.3
HIERARCH ESO ISS PBL14 START 21.795
HIERARCH ESO ISS PBL14 END 21.735
HIERARCH ESO ISS PBLA14 START 133.812
HIERARCH ESO ISS PBLA14 END 134.487
HIERARCH ESO ISS PBL23 START 31.548
HIERARCH ESO ISS PBL23 END 31.445
HIERARCH ESO ISS PBLA23 START 37.5
HIERARCH ESO ISS PBLA23 END 37.8
HIERARCH ESO ISS PBL24 START 10.51
HIERARCH ESO ISS PBL24 END 10.475
HIERARCH ESO ISS PBLA24 START 37.436
HIERARCH ESO ISS PBLA24 END 37.717
HIERARCH ESO ISS PBL34 START 21.038
HIERARCH ESO ISS PBL34 END 20.97
HIERARCH ESO ISS PBLA34 START 217.502
HIERARCH ESO ISS PBLA34 END 217.783
HIERARCH ESO ISS AMBI TAU0 START 0.007264
HIERARCH ESO ISS AMBI TAU0 END 0.006353
HIERARCH ESO ISS AMBI TEMP 17.23
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.78