Exposure
ID
GRAVI.2025-01-02T02:07:57.180_1
Header ID
GRAVI.2025-01-02T02:07:57.180
Date updated
2025-01-02 02:20:41 UTC+0000
Release date
2025-01-02 02:07:57 UTC+0000
UTC Start
2025-01-02 02:07:57.180
UTC End
2025-01-02 02:10:37.180
MJD Start
60677.08885625
MJD End
60677.09070810185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0048915
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.9450000000000001
Observation
ID
63056
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
46971
Name
HD_48016
RA
100.256578
DEC
-7.57262
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 48.4150 48.4510 142.8000 142.9000
A0-J2 104.7800 105.7440 87.7000 87.8000
A0-J6 151.5310 151.6720 8.0550 8.5210
B5-J2 86.7700 87.5580 60.4000 60.8000
B5-J6 188.7900 188.7540 357.5700 357.9470
J2-J6 167.9690 167.9610 330.2120 330.3150
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 60677.08885625
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 48016
HIERARCH ESO INS SOBJ NAME HD_48016
RA 100.256578
DEC -7.57262
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 48.415
HIERARCH ESO ISS PBL12 END 48.451
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.9
HIERARCH ESO ISS PBL13 START 104.78
HIERARCH ESO ISS PBL13 END 105.744
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 151.531
HIERARCH ESO ISS PBL14 END 151.672
HIERARCH ESO ISS PBLA14 START 8.055
HIERARCH ESO ISS PBLA14 END 8.521
HIERARCH ESO ISS PBL23 START 86.77
HIERARCH ESO ISS PBL23 END 87.558
HIERARCH ESO ISS PBLA23 START 60.4
HIERARCH ESO ISS PBLA23 END 60.8
HIERARCH ESO ISS PBL24 START 188.79
HIERARCH ESO ISS PBL24 END 188.754
HIERARCH ESO ISS PBLA24 START 357.57
HIERARCH ESO ISS PBLA24 END 357.947
HIERARCH ESO ISS PBL34 START 167.969
HIERARCH ESO ISS PBL34 END 167.961
HIERARCH ESO ISS PBLA34 START 330.212
HIERARCH ESO ISS PBLA34 END 330.315
HIERARCH ESO ISS AMBI TAU0 START 0.00444
HIERARCH ESO ISS AMBI TAU0 END 0.005343
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.91