Exposure
ID
GRAVI.2025-01-02T01:13:42.042_1
Header ID
GRAVI.2025-01-02T01:13:42.042
Date updated
2025-01-02 01:25:33 UTC+0000
Release date
2025-01-02 01:13:42 UTC+0000
UTC Start
2025-01-02 01:13:42.042
UTC End
2025-01-02 01:16:22.042
MJD Start
60677.05118104
MJD End
60677.053032891854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.010974999999999999
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.69
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 48.6350 48.6220 143.1000 143.0000
A0-J2 102.5840 103.5830 95.7000 95.6000
A0-J6 134.1960 134.3810 7.7010 8.2250
B5-J2 78.2710 79.2270 68.5000 68.8000
B5-J6 172.2180 172.1340 356.2540 356.6650
J2-J6 166.0600 165.8920 329.5810 329.6400
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 60677.05118104
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 48.635
HIERARCH ESO ISS PBL12 END 48.622
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 102.584
HIERARCH ESO ISS PBL13 END 103.583
HIERARCH ESO ISS PBLA13 START 95.7
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 134.196
HIERARCH ESO ISS PBL14 END 134.381
HIERARCH ESO ISS PBLA14 START 7.701
HIERARCH ESO ISS PBLA14 END 8.225
HIERARCH ESO ISS PBL23 START 78.271
HIERARCH ESO ISS PBL23 END 79.227
HIERARCH ESO ISS PBLA23 START 68.5
HIERARCH ESO ISS PBLA23 END 68.8
HIERARCH ESO ISS PBL24 START 172.218
HIERARCH ESO ISS PBL24 END 172.134
HIERARCH ESO ISS PBLA24 START 356.254
HIERARCH ESO ISS PBLA24 END 356.665
HIERARCH ESO ISS PBL34 START 166.06
HIERARCH ESO ISS PBL34 END 165.892
HIERARCH ESO ISS PBLA34 START 329.581
HIERARCH ESO ISS PBLA34 END 329.64
HIERARCH ESO ISS AMBI TAU0 START 0.010384
HIERARCH ESO ISS AMBI TAU0 END 0.011566
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.69