Exposure
ID
GRAVI.2025-01-02T01:10:24.034_1
Header ID
GRAVI.2025-01-02T01:10:24.034
Date updated
2025-01-02 01:25:33 UTC+0000
Release date
2025-01-02 01:10:24 UTC+0000
UTC Start
2025-01-02 01:10:24.034
UTC End
2025-01-02 01:13:04.034
MJD Start
60677.04888928
MJD End
60677.050741131854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.010801999999999999
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.6799999999999999
Observation
ID
63051
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
46966
Name
HD_39685
RA
88.564891
DEC
3.22535
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 48.6460 48.6360 143.1000 143.1000
A0-J2 101.4580 102.4760 95.8000 95.7000
A0-J6 134.0040 134.1760 7.1180 7.6460
B5-J2 77.2020 78.1680 68.3000 68.5000
B5-J6 172.3220 172.2280 355.8020 356.2120
J2-J6 166.2390 166.0780 329.5230 329.5770
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 60677.04888928
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 39685
HIERARCH ESO INS SOBJ NAME HD_39685
RA 88.564891
DEC 3.22535
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 48.646
HIERARCH ESO ISS PBL12 END 48.636
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 101.458
HIERARCH ESO ISS PBL13 END 102.476
HIERARCH ESO ISS PBLA13 START 95.8
HIERARCH ESO ISS PBLA13 END 95.7
HIERARCH ESO ISS PBL14 START 134.004
HIERARCH ESO ISS PBL14 END 134.176
HIERARCH ESO ISS PBLA14 START 7.118
HIERARCH ESO ISS PBLA14 END 7.646
HIERARCH ESO ISS PBL23 START 77.202
HIERARCH ESO ISS PBL23 END 78.168
HIERARCH ESO ISS PBLA23 START 68.3
HIERARCH ESO ISS PBLA23 END 68.5
HIERARCH ESO ISS PBL24 START 172.322
HIERARCH ESO ISS PBL24 END 172.228
HIERARCH ESO ISS PBLA24 START 355.802
HIERARCH ESO ISS PBLA24 END 356.212
HIERARCH ESO ISS PBL34 START 166.239
HIERARCH ESO ISS PBL34 END 166.078
HIERARCH ESO ISS PBLA34 START 329.523
HIERARCH ESO ISS PBLA34 END 329.577
HIERARCH ESO ISS AMBI TAU0 START 0.009912
HIERARCH ESO ISS AMBI TAU0 END 0.011692
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.67