Exposure
ID
GRAVI.2025-01-02T01:03:36.017_1
Header ID
GRAVI.2025-01-02T01:03:36.017
Date updated
2025-01-02 01:15:37 UTC+0000
Release date
2025-01-02 01:03:36 UTC+0000
UTC Start
2025-01-02 01:03:36.017
UTC End
2025-01-02 01:06:16.017
MJD Start
60677.04416686
MJD End
60677.04601871186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009044
Ambient temperature (°C)
13.27
Seeing (arcsec)
0.735
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 48.6570 48.6540 143.2000 143.1000
A0-J2 99.0370 100.0990 96.1000 96.0000
A0-J6 133.6510 133.7960 5.8900 6.4240
B5-J2 74.9280 75.9210 67.7000 67.9000
B5-J6 172.5770 172.4600 354.8610 355.2680
J2-J6 166.5840 166.4390 329.4180 329.4610
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 60677.04416686
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 48.657
HIERARCH ESO ISS PBL12 END 48.654
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.037
HIERARCH ESO ISS PBL13 END 100.099
HIERARCH ESO ISS PBLA13 START 96.1
HIERARCH ESO ISS PBLA13 END 96.0
HIERARCH ESO ISS PBL14 START 133.651
HIERARCH ESO ISS PBL14 END 133.796
HIERARCH ESO ISS PBLA14 START 5.89
HIERARCH ESO ISS PBLA14 END 6.424
HIERARCH ESO ISS PBL23 START 74.928
HIERARCH ESO ISS PBL23 END 75.921
HIERARCH ESO ISS PBLA23 START 67.7
HIERARCH ESO ISS PBLA23 END 67.9
HIERARCH ESO ISS PBL24 START 172.577
HIERARCH ESO ISS PBL24 END 172.46
HIERARCH ESO ISS PBLA24 START 354.861
HIERARCH ESO ISS PBLA24 END 355.268
HIERARCH ESO ISS PBL34 START 166.584
HIERARCH ESO ISS PBL34 END 166.439
HIERARCH ESO ISS PBLA34 START 329.418
HIERARCH ESO ISS PBLA34 END 329.461
HIERARCH ESO ISS AMBI TAU0 START 0.009739
HIERARCH ESO ISS AMBI TAU0 END 0.008349
HIERARCH ESO ISS AMBI TEMP 13.27
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.83