Exposure
ID
GRAVI.2025-01-09T07:27:13.991_1
Header ID
GRAVI.2025-01-09T07:27:13.991
Date updated
2025-01-09 07:40:46 UTC+0000
Release date
2025-01-09 07:27:13 UTC+0000
UTC Start
2025-01-09 07:27:13.991
UTC End
2025-01-09 07:29:53.991
MJD Start
60684.3105786
MJD End
60684.31243045186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0044575
Ambient temperature (°C)
13.95
Seeing (arcsec)
1.385
Observation
ID
63094
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
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
47004
Name
HD_57478
RA
110.241636
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.2150 45.1840 172.0000 172.4000
A0-J2 100.8520 99.8660 105.4000 105.7000
A0-J6 166.3260 166.0720 36.0540 36.1190
B5-J2 92.6980 91.9160 78.8000 78.9000
B5-J6 201.2790 201.1860 27.0610 27.1940
J2-J6 161.2090 161.2130 0.2250 0.6210
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 60684.3105786
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241636
DEC -14.36049
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 45.215
HIERARCH ESO ISS PBL12 END 45.184
HIERARCH ESO ISS PBLA12 START 172.0
HIERARCH ESO ISS PBLA12 END 172.4
HIERARCH ESO ISS PBL13 START 100.852
HIERARCH ESO ISS PBL13 END 99.866
HIERARCH ESO ISS PBLA13 START 105.4
HIERARCH ESO ISS PBLA13 END 105.7
HIERARCH ESO ISS PBL14 START 166.326
HIERARCH ESO ISS PBL14 END 166.072
HIERARCH ESO ISS PBLA14 START 36.054
HIERARCH ESO ISS PBLA14 END 36.119
HIERARCH ESO ISS PBL23 START 92.698
HIERARCH ESO ISS PBL23 END 91.916
HIERARCH ESO ISS PBLA23 START 78.8
HIERARCH ESO ISS PBLA23 END 78.9
HIERARCH ESO ISS PBL24 START 201.279
HIERARCH ESO ISS PBL24 END 201.186
HIERARCH ESO ISS PBLA24 START 27.061
HIERARCH ESO ISS PBLA24 END 27.194
HIERARCH ESO ISS PBL34 START 161.209
HIERARCH ESO ISS PBL34 END 161.213
HIERARCH ESO ISS PBLA34 START 0.225
HIERARCH ESO ISS PBLA34 END 0.621
HIERARCH ESO ISS AMBI TAU0 START 0.005006
HIERARCH ESO ISS AMBI TAU0 END 0.003909
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 1.27
HIERARCH ESO ISS AMBI FWHM END 1.5