Exposure
ID
GRAVI.2024-12-04T06:10:59.267_1
Header ID
GRAVI.2024-12-04T06:10:59.267
Date updated
2024-12-04 06:25:45 UTC+0000
Release date
2025-12-04 06:25:45 UTC+0000
UTC Start
2024-12-04 06:10:59.267
UTC End
2024-12-04 06:13:39.267
MJD Start
60648.2576304
MJD End
60648.2594822519
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0047655
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.435
Observation
ID
62224
Category
science
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
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46285
Name
Suhail
RA
136.995742
DEC
-43.43252
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 20.0910 20.2370 121.8000 122.1000
A0-D0 30.2900 30.3660 41.0000 41.8000
A0-C1 18.0120 18.1650 88.2200 88.8470
B2-D0 33.5570 33.5520 4.8000 5.3000
B2-C1 11.1770 11.1760 4.7390 5.2570
D0-C1 22.3800 22.3770 184.7900 185.3080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60648.2576304
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME lam Vel
HIERARCH ESO INS SOBJ NAME Suhail
RA 136.995742
DEC -43.43252
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 216.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 160
HIERARCH ESO ISS PBL12 START 20.091
HIERARCH ESO ISS PBL12 END 20.237
HIERARCH ESO ISS PBLA12 START 121.8
HIERARCH ESO ISS PBLA12 END 122.1
HIERARCH ESO ISS PBL13 START 30.29
HIERARCH ESO ISS PBL13 END 30.366
HIERARCH ESO ISS PBLA13 START 41.0
HIERARCH ESO ISS PBLA13 END 41.8
HIERARCH ESO ISS PBL14 START 18.012
HIERARCH ESO ISS PBL14 END 18.165
HIERARCH ESO ISS PBLA14 START 88.22
HIERARCH ESO ISS PBLA14 END 88.847
HIERARCH ESO ISS PBL23 START 33.557
HIERARCH ESO ISS PBL23 END 33.552
HIERARCH ESO ISS PBLA23 START 4.8
HIERARCH ESO ISS PBLA23 END 5.3
HIERARCH ESO ISS PBL24 START 11.177
HIERARCH ESO ISS PBL24 END 11.176
HIERARCH ESO ISS PBLA24 START 4.739
HIERARCH ESO ISS PBLA24 END 5.257
HIERARCH ESO ISS PBL34 START 22.38
HIERARCH ESO ISS PBL34 END 22.377
HIERARCH ESO ISS PBLA34 START 184.79
HIERARCH ESO ISS PBLA34 END 185.308
HIERARCH ESO ISS AMBI TAU0 START 0.004991
HIERARCH ESO ISS AMBI TAU0 END 0.00454
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.41