Exposure
ID
GRAVI.2025-01-28T04:03:16.982_1
Header ID
GRAVI.2025-01-28T04:03:16.982
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-01-28 04:03:16 UTC+0000
UTC Start
2025-01-28 04:03:16.982
UTC End
2025-01-28 04:06:28.982
MJD Start
60703.16894655
MJD End
60703.17116877223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0074175000000000005
Ambient temperature (°C)
17.59
Seeing (arcsec)
0.7949999999999999
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 25.2970 25.2980 150.0000 150.5000
A0-D0 30.8770 30.7640 79.4000 79.8000
A0-C1 22.4760 22.4460 124.4120 124.9890
B2-D0 32.7870 32.7230 32.7000 33.0000
B2-C1 10.9220 10.9000 32.6110 32.9610
D0-C1 21.8650 21.8220 212.6770 213.0270
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 60703.16894655
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 25.297
HIERARCH ESO ISS PBL12 END 25.298
HIERARCH ESO ISS PBLA12 START 150.0
HIERARCH ESO ISS PBLA12 END 150.5
HIERARCH ESO ISS PBL13 START 30.877
HIERARCH ESO ISS PBL13 END 30.764
HIERARCH ESO ISS PBLA13 START 79.4
HIERARCH ESO ISS PBLA13 END 79.8
HIERARCH ESO ISS PBL14 START 22.476
HIERARCH ESO ISS PBL14 END 22.446
HIERARCH ESO ISS PBLA14 START 124.412
HIERARCH ESO ISS PBLA14 END 124.989
HIERARCH ESO ISS PBL23 START 32.787
HIERARCH ESO ISS PBL23 END 32.723
HIERARCH ESO ISS PBLA23 START 32.7
HIERARCH ESO ISS PBLA23 END 33.0
HIERARCH ESO ISS PBL24 START 10.922
HIERARCH ESO ISS PBL24 END 10.9
HIERARCH ESO ISS PBLA24 START 32.611
HIERARCH ESO ISS PBLA24 END 32.961
HIERARCH ESO ISS PBL34 START 21.865
HIERARCH ESO ISS PBL34 END 21.822
HIERARCH ESO ISS PBLA34 START 212.677
HIERARCH ESO ISS PBLA34 END 213.027
HIERARCH ESO ISS AMBI TAU0 START 0.007227
HIERARCH ESO ISS AMBI TAU0 END 0.007608
HIERARCH ESO ISS AMBI TEMP 17.59
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.72