Exposure
ID
GRAVI.2025-03-05T02:50:31.339_1
Header ID
GRAVI.2025-03-05T02:50:31.339
Date updated
2025-03-05 03:00:56 UTC+0000
Release date
2025-03-05 02:50:31 UTC+0000
UTC Start
2025-03-05 02:50:31.339
UTC End
2025-03-05 02:53:43.339
MJD Start
60739.11841828
MJD End
60739.120640502224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006648
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.75
Observation
ID
64973
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
48292
Name
HD_50235
RA
102.715458
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 25.1930 25.1820 160.3000 160.9000
A0-D0 27.8870 27.6750 88.5000 89.0000
A0-C1 21.5860 21.5230 136.1620 136.8630
B2-D0 31.1820 31.0700 38.4000 38.7000
B2-C1 10.3880 10.3510 38.3810 38.6450
D0-C1 20.7940 20.7190 218.4460 218.7100
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 60739.11841828
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715458
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 25.193
HIERARCH ESO ISS PBL12 END 25.182
HIERARCH ESO ISS PBLA12 START 160.3
HIERARCH ESO ISS PBLA12 END 160.9
HIERARCH ESO ISS PBL13 START 27.887
HIERARCH ESO ISS PBL13 END 27.675
HIERARCH ESO ISS PBLA13 START 88.5
HIERARCH ESO ISS PBLA13 END 89.0
HIERARCH ESO ISS PBL14 START 21.586
HIERARCH ESO ISS PBL14 END 21.523
HIERARCH ESO ISS PBLA14 START 136.162
HIERARCH ESO ISS PBLA14 END 136.863
HIERARCH ESO ISS PBL23 START 31.182
HIERARCH ESO ISS PBL23 END 31.07
HIERARCH ESO ISS PBLA23 START 38.4
HIERARCH ESO ISS PBLA23 END 38.7
HIERARCH ESO ISS PBL24 START 10.388
HIERARCH ESO ISS PBL24 END 10.351
HIERARCH ESO ISS PBLA24 START 38.381
HIERARCH ESO ISS PBLA24 END 38.645
HIERARCH ESO ISS PBL34 START 20.794
HIERARCH ESO ISS PBL34 END 20.719
HIERARCH ESO ISS PBLA34 START 218.446
HIERARCH ESO ISS PBLA34 END 218.71
HIERARCH ESO ISS AMBI TAU0 START 0.006002
HIERARCH ESO ISS AMBI TAU0 END 0.007294
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.73